https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&feed=atom&action=history
Variance reduction - Revision history
2024-03-28T19:44:00Z
Revision history for this page on the wiki
MediaWiki 1.25.3
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=6056&oldid=prev
Ana Jambrina at 10:35, 26 May 2023
2023-05-26T10:35:45Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 10:35, 26 May 2023</td>
</tr><tr><td colspan="2" class="diff-lineno" id="L1" >Line 1:</td>
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<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction in Serpent is based on standard weight-window techniques.<ref>Lux, I. and Koblinger, L. ''"Monte Carlo Particle Transport Methods: Neutron and Photon Calculations."'' CRC-Press, <del class="diffchange diffchange-inline">1991. </del>[https://gnssn.iaea.org/NSNI/Shared%20Documents/OPEN%20Shared%20Files/MonteCarloParticleTransportMethodsNeutronAndPhotonCalculations.pdf (<del class="diffchange diffchange-inline">available on-line]</del>).</ref> The weight window mesh and additional parameters are defined using the [[Input syntax manual#wwin (weight window mesh definition)|wwin card]]. Serpent supports two mesh types:</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction in Serpent is based on standard weight-window techniques.<ref>Lux, I. and Koblinger, L. ''"Monte Carlo Particle Transport Methods: Neutron and Photon Calculations."'' CRC-Press, <ins class="diffchange diffchange-inline">Inc </ins>[https://gnssn.iaea.org/NSNI/Shared%20Documents/OPEN%20Shared%20Files/MonteCarloParticleTransportMethodsNeutronAndPhotonCalculations.pdf (<ins class="diffchange diffchange-inline">1991</ins>)<ins class="diffchange diffchange-inline">]</ins>.</ref> The weight window mesh and additional parameters are defined using the [[Input syntax manual#wwin (weight window mesh definition)|wwin card]]. Serpent supports two mesh types:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Kulesza, J. A. (ed.), ''“MCNP code version 6.3.0 Theory & User Manual: Appendix A Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-UR-22-30006, Rev. 1, Los Alamos National Laboratory [https://mcnp.lanl.gov/pdf_files/TechReport_2022_LANL_LA-UR-22-30006Rev.1_KuleszaAdamsEtAl.pdf (2022)].</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Kulesza, J. A. (ed.), ''“MCNP code version 6.3.0 Theory & User Manual: Appendix A Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-UR-22-30006, Rev. 1, Los Alamos National Laboratory [https://mcnp.lanl.gov/pdf_files/TechReport_2022_LANL_LA-UR-22-30006Rev.1_KuleszaAdamsEtAl.pdf (2022)].</ref></div></td></tr>
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Ana Jambrina
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=6040&oldid=prev
Ana Jambrina at 18:50, 25 May 2023
2023-05-25T18:50:51Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 18:50, 25 May 2023</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction in Serpent is based on standard weight-window techniques.<ref>Lux, I. and Koblinger, L. ''"Monte Carlo Particle Transport Methods: Neutron and Photon Calculations."'' CRC-Press, 1991. [https://gnssn.iaea.org/NSNI/Shared%20Documents/OPEN%20Shared%20Files/MonteCarloParticleTransportMethodsNeutronAndPhotonCalculations.pdf (available on-line]).</ref> The weight window mesh and additional parameters are defined using the [[Input syntax manual#wwin (weight window mesh definition)|wwin card]]. Serpent supports two mesh types:</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction in Serpent is based on standard weight-window techniques.<ref>Lux, I. and Koblinger, L. ''"Monte Carlo Particle Transport Methods: Neutron and Photon Calculations."'' CRC-Press, 1991. [https://gnssn.iaea.org/NSNI/Shared%20Documents/OPEN%20Shared%20Files/MonteCarloParticleTransportMethodsNeutronAndPhotonCalculations.pdf (available on-line]).</ref> The weight window mesh and additional parameters are defined using the [[Input syntax manual#wwin (weight window mesh definition)|wwin card]]. Serpent supports two mesh types:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Kulesza, J. A. (ed.), ''“MCNP code version 6.3.0 Theory & User Manual: Appendix A Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-UR-22-30006, Rev. 1, Los Alamos National Laboratory [https://<del class="diffchange diffchange-inline">www</del>.<del class="diffchange diffchange-inline">osti</del>.gov/<del class="diffchange diffchange-inline">biblio</del>/<del class="diffchange diffchange-inline">1889957 </del>(2022)].</ref></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Kulesza, J. A. (ed.), ''“MCNP code version 6.3.0 Theory & User Manual: Appendix A Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-UR-22-30006, Rev. 1, Los Alamos National Laboratory [https://<ins class="diffchange diffchange-inline">mcnp</ins>.<ins class="diffchange diffchange-inline">lanl</ins>.gov/<ins class="diffchange diffchange-inline">pdf_files</ins>/<ins class="diffchange diffchange-inline">TechReport_2022_LANL_LA-UR-22-30006Rev.1_KuleszaAdamsEtAl.pdf </ins>(2022)].</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>Leppänen, J. ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 '''205 (11)''' (2019) 1416-1432]</ref><ref>Leppänen, J. and Jokipii, M. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>Leppänen, J. ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 '''205 (11)''' (2019) 1416-1432]</ref><ref>Leppänen, J. and Jokipii, M. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td></tr>
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Ana Jambrina
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=6039&oldid=prev
Ana Jambrina at 18:47, 25 May 2023
2023-05-25T18:47:54Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 18:47, 25 May 2023</td>
</tr><tr><td colspan="2" class="diff-lineno" id="L1" >Line 1:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction in Serpent is based on standard weight-window techniques.<ref>Lux, I. and Koblinger, L. ''"Monte Carlo Particle Transport Methods: Neutron and Photon Calculations."'' CRC-Press, 1991. [https://gnssn.iaea.org/NSNI/Shared%20Documents/OPEN%20Shared%20Files/MonteCarloParticleTransportMethodsNeutronAndPhotonCalculations.pdf (available on-line]).</ref> The weight window mesh and additional parameters are defined using the [[Input syntax manual#wwin (weight window mesh definition)|wwin card]]. Serpent supports two mesh types:</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction in Serpent is based on standard weight-window techniques.<ref>Lux, I. and Koblinger, L. ''"Monte Carlo Particle Transport Methods: Neutron and Photon Calculations."'' CRC-Press, 1991. [https://gnssn.iaea.org/NSNI/Shared%20Documents/OPEN%20Shared%20Files/MonteCarloParticleTransportMethodsNeutronAndPhotonCalculations.pdf (available on-line]).</ref> The weight window mesh and additional parameters are defined using the [[Input syntax manual#wwin (weight window mesh definition)|wwin card]]. Serpent supports two mesh types:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref><del class="diffchange diffchange-inline">Pelowitz</del>, <del class="diffchange diffchange-inline">D</del>. (ed.), ''<del class="diffchange diffchange-inline">“MCNP6 User’s </del>Manual: Appendix <del class="diffchange diffchange-inline">C </del>Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-<del class="diffchange diffchange-inline">CP</del>-<del class="diffchange diffchange-inline">13</del>-<del class="diffchange diffchange-inline">00634</del>, Los Alamos National Laboratory (<del class="diffchange diffchange-inline">2013</del>).</ref></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref><ins class="diffchange diffchange-inline">Kulesza</ins>, <ins class="diffchange diffchange-inline">J. A</ins>. (ed.), ''<ins class="diffchange diffchange-inline">“MCNP code version 6.3.0 Theory & User </ins>Manual: Appendix <ins class="diffchange diffchange-inline">A </ins>Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-<ins class="diffchange diffchange-inline">UR</ins>-<ins class="diffchange diffchange-inline">22</ins>-<ins class="diffchange diffchange-inline">30006, Rev. 1</ins>, Los Alamos National Laboratory <ins class="diffchange diffchange-inline">[https://www.osti.gov/biblio/1889957 </ins>(<ins class="diffchange diffchange-inline">2022</ins>)<ins class="diffchange diffchange-inline">]</ins>.</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>Leppänen, J. ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 '''205 (11)''' (2019) 1416-1432]</ref><ref>Leppänen, J. and Jokipii, M. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>Leppänen, J. ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 '''205 (11)''' (2019) 1416-1432]</ref><ref>Leppänen, J. and Jokipii, M. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td></tr>
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Ana Jambrina
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=5779&oldid=prev
Ana Jambrina: /* Variance reduction, simple approach */
2022-10-13T14:36:27Z
<p><span dir="auto"><span class="autocomment">Variance reduction, simple approach</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 14:36, 13 October 2022</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Variance reduction causes splitting of the particle histories, which may result in deterioration of OpenMP parallel scalability. To improve performance, it is recommended to switch OpenMP load balancing on by [[Input syntax manual#set_bala|set bala 1]].</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Variance reduction causes splitting of the particle histories, which may result in deterioration of OpenMP parallel scalability. To improve performance, it is recommended to switch OpenMP load balancing on by [[Input syntax manual#set_bala|set bala 1]].</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*The importance mesh can be plotted on top of the geometry using the [[Input syntax manual#plot (geometry plot definition)|plot card]]. The additional input parameters include importance boundaries and energy (for energy-dependent calculations).</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*The importance mesh can be plotted on top of the geometry using the [[Input syntax manual#plot (geometry plot definition)|plot card]]. The additional input parameters include importance boundaries and energy (for energy-dependent calculations).</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*The current version of Serpent (2.<del class="diffchange diffchange-inline">1</del>.<del class="diffchange diffchange-inline">31</del>) does not plot the mesh grid for the importance distribution, but this can be enabled by removing the "<tt>wwp = NO;</tt>" statement on line <del class="diffchange diffchange-inline">116 </del>of <del class="diffchange diffchange-inline">geometryplotter</del>.c  </div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*The current version of Serpent (2.<ins class="diffchange diffchange-inline">2</ins>.<ins class="diffchange diffchange-inline">0</ins>) does not plot the mesh grid for the importance distribution, but this can be enabled by removing the "<tt>wwp = NO;</tt>" statement on line <ins class="diffchange diffchange-inline">42 </ins>of <ins class="diffchange diffchange-inline">plotimage</ins>.c  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>The mesh plot and detector results using variance reduction are presented below (click image for full-size).</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>The mesh plot and detector results using variance reduction are presented below (click image for full-size).</div></td></tr>
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Ana Jambrina
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=5371&oldid=prev
Ana Jambrina at 14:20, 24 December 2021
2021-12-24T14:20:58Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 14:20, 24 December 2021</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Pelowitz, D. (ed.), ''“MCNP6 User’s Manual: Appendix C Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-CP-13-00634, Los Alamos National Laboratory (2013).</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Pelowitz, D. (ed.), ''“MCNP6 User’s Manual: Appendix C Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-CP-13-00634, Los Alamos National Laboratory (2013).</ref></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>Leppänen, J. ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 (<del class="diffchange diffchange-inline">in press</del>)]</ref><ref>Leppänen, J. and Jokipii, M. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>Leppänen, J. ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 <ins class="diffchange diffchange-inline">'''205 </ins>(<ins class="diffchange diffchange-inline">11</ins>)<ins class="diffchange diffchange-inline">''' (2019) 1416-1432</ins>]</ref><ref>Leppänen, J. and Jokipii, M. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Shielding calculation example ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Shielding calculation example ==</div></td></tr>
</table>
Ana Jambrina
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=5359&oldid=prev
Ana Jambrina at 11:22, 23 December 2021
2021-12-23T11:22:52Z
<p></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Pelowitz, D. (ed.), ''“MCNP6 User’s Manual: Appendix C Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-CP-13-00634, Los Alamos National Laboratory (2013).</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Pelowitz, D. (ed.), ''“MCNP6 User’s Manual: Appendix C Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-CP-13-00634, Los Alamos National Laboratory (2013).</ref></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>J. <del class="diffchange diffchange-inline">Leppänen </del>''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 (in press)]</ref><ref>J. <del class="diffchange diffchange-inline">Leppänen </del>and M<del class="diffchange diffchange-inline">. Jokipii</del>. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref><ins class="diffchange diffchange-inline">Leppänen, </ins>J. ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 (in press)]</ref><ref><ins class="diffchange diffchange-inline">Leppänen, </ins>J. and <ins class="diffchange diffchange-inline">Jokipii, </ins>M. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Shielding calculation example ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Shielding calculation example ==</div></td></tr>
</table>
Ana Jambrina
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=5071&oldid=prev
Antti Rintala at 10:57, 16 June 2021
2021-06-16T10:57:49Z
<p></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 10:57, 16 June 2021</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Pelowitz, D. (ed.), ''“MCNP6 User’s Manual: Appendix C Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-CP-13-00634, Los Alamos National Laboratory (2013).</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref>Pelowitz, D. (ed.), ''“MCNP6 User’s Manual: Appendix C Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-CP-13-00634, Los Alamos National Laboratory (2013).</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>J. Leppänen ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 (in press)]</ref><ref>J. Leppänen and M. Jokipii. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>J. Leppänen ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 (in press)]</ref><ref>J. Leppänen and M. Jokipii. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Shielding calculation example ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Shielding calculation example ==</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Input]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Theory]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Tutorials]]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Tutorials]]</div></td></tr>
</table>
Antti Rintala
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=4672&oldid=prev
Jaakko Leppänen at 10:07, 5 October 2019
2019-10-05T10:07:32Z
<p></p>
<table class='diff diff-contentalign-left'>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 10:07, 5 October 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="L1" >Line 1:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction in Serpent is based on standard weight-window techniques.<ref>Lux, I. and Koblinger, L. ''"Monte Carlo Particle Transport Methods: Neutron and Photon Calculations."'' CRC-Press, 1991. [https://gnssn.iaea.org/NSNI/Shared%20Documents/OPEN%20Shared%20Files/MonteCarloParticleTransportMethodsNeutronAndPhotonCalculations.pdf (available on-line]).</ref> The weight window mesh and additional parameters are defined using the [[Input syntax manual#wwin (weight window mesh definition)|wwin card]]. Serpent supports two mesh types:</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction in Serpent is based on standard weight-window techniques.<ref>Lux, I. and Koblinger, L. ''"Monte Carlo Particle Transport Methods: Neutron and Photon Calculations."'' CRC-Press, 1991. [https://gnssn.iaea.org/NSNI/Shared%20Documents/OPEN%20Shared%20Files/MonteCarloParticleTransportMethodsNeutronAndPhotonCalculations.pdf (available on-line]).</ref> The weight window mesh and additional parameters are defined using the [[Input syntax manual#wwin (weight window mesh definition)|wwin card]]. Serpent supports two mesh types:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>*Weight-window mesh generated using the built-in response matrix method-based solver (see the [[Input syntax manual#wwgen (response matrix based importance map solver)|wgen card]]).</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref> D. <del class="diffchange diffchange-inline">Pelowitz </del>(ed.), ''“MCNP6 User’s Manual: Appendix C Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-CP-13-00634, Los Alamos National Laboratory (2013).</ref></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*MCNP WWINP format weight window-mesh.<ref><ins class="diffchange diffchange-inline">Pelowitz, </ins>D. (ed.), ''“MCNP6 User’s Manual: Appendix C Mesh-Based WWINP, WWOUT, and WWONE File Format,”'' LA-CP-13-00634, Los Alamos National Laboratory (2013).</ref></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>J. Leppänen ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 (in press)]</ref><ref>J. Leppänen and M. Jokipii. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>This tutorial demonstrates the basic functionality of the built-in solver. The methodology is described in the related publications.<ref>J. Leppänen ''"Response Matrix Method–Based Importance Solver and Variance Reduction Scheme in the Serpent 2 Monte Carlo Code."'' Nucl. Technol. [https://doi.org/10.1080/00295450.2019.1603710 (in press)]</ref><ref>J. Leppänen and M. Jokipii. ''"Global Variance Reduction Scheme with Self-Adaptive Weight-Window Mesh in the Serpent 2 Monte Carlo Code."'' In Proc. M&C2019, Portland, OR, Aug. 25-29, 2019.</ref></div></td></tr>
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</table>
Jaakko Leppänen
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=4671&oldid=prev
Jaakko Leppänen: /* Reactor calculation example */
2019-10-05T07:49:37Z
<p><span dir="auto"><span class="autocomment">Reactor calculation example</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 07:49, 5 October 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="L927" >Line 927:</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Reactor calculation example ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Reactor calculation example ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Typical applications for variance reduction in fission reactor calculations include obtaining better statistics for detectors or radiation <del class="diffchange diffchange-inline">doses </del>outside the active core. Since the methodology is currently not applicable to criticality source simulations, the calculation has to be divided in two parts:</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Typical applications for variance reduction in fission reactor calculations include obtaining better statistics for detectors or radiation <ins class="diffchange diffchange-inline">dose rates </ins>outside the active core. Since the methodology is currently not applicable to criticality source simulations, the calculation has to be divided in two parts:</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>#Criticality source simulation to obtain the fission source using the [[Input syntax manual#set csw|set csw]] option.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>#Criticality source simulation to obtain the fission source using the [[Input syntax manual#set csw|set csw]] option.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>#External source simulation using the previously created fission source ([[Input syntax manual#src_sf|sf]] parameter in the source card) and fission switched off ([[Input syntax manual#set nphys|set nphys]] option).</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>#External source simulation using the previously created fission source ([[Input syntax manual#src_sf|sf]] parameter in the source card) and fission <ins class="diffchange diffchange-inline">reactions </ins>switched off ([[Input syntax manual#set nphys|set nphys]] option).</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction is performed on the second part.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Variance reduction is performed on the second part.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The example case is a homogenized LWR reactor core (never apply this approximation in a real calculation) surrounded by water reflector and cylindrical pressure vessel. The task is to calculate neutron current through the top of the geometry, which is the most heavily shielded part. The geometry and mesh plots and the complete input listing are provided below (click Expand to show).</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The example case is a homogenized LWR reactor core (never apply this approximation in a real calculation) surrounded by water reflector and cylindrical pressure vessel. The task is to calculate neutron current through the top of the geometry, which is the most heavily shielded part. The geometry and <ins class="diffchange diffchange-inline">fission rate / thermal flux </ins>mesh plots and the complete input listing are provided below (click Expand to show).</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[File:VR_Crit_geom1.png|frameless|200px]]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[File:VR_Crit_geom1.png|frameless|200px]]</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L1010" >Line 1,010:</td>
<td colspan="2" class="diff-lineno">Line 1,010:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''wwgen and wwin cards'''</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''wwgen and wwin cards'''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><div class="mw-collapsible-content"></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><div class="mw-collapsible-content"></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"> </del>% --- First weight window mesh (GVR):</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">  </ins>% --- First weight window mesh (GVR):</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>   </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>   </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  wwgen 1                    % wwgen identifier</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  wwgen 1                    % wwgen identifier</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L1016" >Line 1,016:</td>
<td colspan="2" class="diff-lineno">Line 1,016:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  3 -1                      % global variance reduction, no energy binning</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  3 -1                      % global variance reduction, no energy binning</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  <del class="diffchange diffchange-inline">1 </del>1 86                    % size in r, theat and z dimensions</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  <ins class="diffchange diffchange-inline">3 </ins>1 86                    % size in r, theat and z dimensions</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  0 200.01 <del class="diffchange diffchange-inline">                  </del>% <del class="diffchange diffchange-inline">single </del>r-<del class="diffchange diffchange-inline">bin</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  0 <ins class="diffchange diffchange-inline">150 170 </ins>200.01 <ins class="diffchange diffchange-inline">          </ins>% <ins class="diffchange diffchange-inline">3 </ins>r-<ins class="diffchange diffchange-inline">bins</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % <del class="diffchange diffchange-inline">100 </del>z-<del class="diffchange diffchange-inline">bin </del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % <ins class="diffchange diffchange-inline">86 </ins>z-<ins class="diffchange diffchange-inline">bins </ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     -30  -20  -10    0  % 10 cm intervals until top of core</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     -30  -20  -10    0  % 10 cm intervals until top of core</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     10    20    30    40</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     10    20    30    40</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L1054" >Line 1,054:</td>
<td colspan="2" class="diff-lineno">Line 1,054:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  1 -1                      % single detector, no energy binning</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  1 -1                      % single detector, no energy binning</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  <del class="diffchange diffchange-inline">1 </del>1 86                    % size in r, theat and z dimensions</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  <ins class="diffchange diffchange-inline">3 </ins>1 86                    % size in r, theat and z dimensions</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  0 200.01 <del class="diffchange diffchange-inline">                  </del>% <del class="diffchange diffchange-inline">single </del>r-<del class="diffchange diffchange-inline">bin</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  0 <ins class="diffchange diffchange-inline">150 170 </ins>200.01 <ins class="diffchange diffchange-inline">          </ins>% <ins class="diffchange diffchange-inline">3 </ins>r-<ins class="diffchange diffchange-inline">bins</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % <del class="diffchange diffchange-inline">100 </del>z-<del class="diffchange diffchange-inline">bin </del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % <ins class="diffchange diffchange-inline">86 </ins>z-<ins class="diffchange diffchange-inline">bins </ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     -30  -20  -10    0  % 10 cm intervals until top of core</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     -30  -20  -10    0  % 10 cm intervals until top of core</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     10    20    30    40</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     10    20    30    40</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L1090" >Line 1,090:</td>
<td colspan="2" class="diff-lineno">Line 1,090:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  1 1.0</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  1 1.0</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  2 1.0</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  2 1.0</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  2 1.0</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  2 1.0  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div>  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div>  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L1178" >Line 1,178:</td>
<td colspan="2" class="diff-lineno">Line 1,178:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  3 1 86                    % size in r, theat and z dimensions</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  3 1 86                    % size in r, theat and z dimensions</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  0 150 170 200.01          % r-bins</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  0 150 170 200.01          % <ins class="diffchange diffchange-inline">3 </ins>r-bins</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % <del class="diffchange diffchange-inline">100 </del>z-<del class="diffchange diffchange-inline">bin </del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % <ins class="diffchange diffchange-inline">86 </ins>z-<ins class="diffchange diffchange-inline">bins </ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     -30  -20  -10    0  % 10 cm intervals until top of core</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     -30  -20  -10    0  % 10 cm intervals until top of core</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     10    20    30    40</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     10    20    30    40</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L1216" >Line 1,216:</td>
<td colspan="2" class="diff-lineno">Line 1,216:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  3 1 86                    % size in r, theat and z dimensions</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  3 1 86                    % size in r, theat and z dimensions</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  0 150 170 200.01          % r-bins</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  0 150 170 200.01          % <ins class="diffchange diffchange-inline">3 </ins>r-bins</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % <del class="diffchange diffchange-inline">100 </del>z-<del class="diffchange diffchange-inline">bin </del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % <ins class="diffchange diffchange-inline">86 </ins>z-<ins class="diffchange diffchange-inline">bins </ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     -30  -20  -10    0  % 10 cm intervals until top of core</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     -30  -20  -10    0  % 10 cm intervals until top of core</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     10    20    30    40</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>     10    20    30    40</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L1254" >Line 1,254:</td>
<td colspan="2" class="diff-lineno">Line 1,254:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div>  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div>  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">The importance mesh and flux distributions throughout the iteration are plotted below.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[File:VR_Gvr_geom1_vr0.png|frameless|200px]] [[File:VR_Gvr_geom1_vr1.png|frameless|200px]] [[File:VR_Gvr_geom1_vr2.png|frameless|200px]] [[File:VR_Gvr_geom1_vr3.png|frameless|200px]] [[File:VR_Gvr_geom1_vr5.png|frameless|200px]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[File:<del class="diffchange diffchange-inline">VR_Gvr_geom1_vr0</del>.png|frameless|200px]] [[File:<del class="diffchange diffchange-inline">VR_Gvr_geom1_vr1</del>.png|frameless|200px]] [[File:<del class="diffchange diffchange-inline">VR_Gvr_geom1_vr2</del>.png|frameless|200px]] [[File:<del class="diffchange diffchange-inline">VR_Gvr_geom1_vr3</del>.png|frameless|200px]] [[File:<del class="diffchange diffchange-inline">VR_Gvr_geom1_vr4</del>.png|frameless|200px]]</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[File:<ins class="diffchange diffchange-inline">VR_Gvr_mesh1_vr0</ins>.png|frameless|200px]] [[File:<ins class="diffchange diffchange-inline">VR_Gvr_mesh1_vr1</ins>.png|frameless|200px]] [[File:<ins class="diffchange diffchange-inline">VR_Gvr_mesh1_vr2</ins>.png|frameless|200px]] [[File:<ins class="diffchange diffchange-inline">VR_Gvr_mesh1_vr3</ins>.png|frameless|200px]] [[File:<ins class="diffchange diffchange-inline">VR_Gvr_mesh1_vr5</ins>.png|frameless|200px]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">[[File:VR_Gvr_mesh1_vr0</del>.<del class="diffchange diffchange-inline">png|frameless|200px]] [[File:VR_Gvr_mesh1_vr1</del>.<del class="diffchange diffchange-inline">png|frameless|200px]] [[File:VR_Gvr_mesh1_vr2</del>.<del class="diffchange diffchange-inline">png|frameless|200px]] [[File:VR_Gvr_mesh1_vr3.png|frameless|200px]] [[File:VR_Gvr_mesh1_vr4.png|frameless|200px]]</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">The outward current is around 6E-13</ins>. <ins class="diffchange diffchange-inline">Since the source rate was normalized to unity, this means that fewer than 1/1E12 fission neutrons are able to escape through the top</ins>. <ins class="diffchange diffchange-inline">It should be noted that the calculation was run with a relatively small number of neutron histories, and the mesh generation suffers from poor statistics</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== References ==</div></td></tr>
</table>
Jaakko Leppänen
https://serpent.vtt.fi/mediawiki/index.php?title=Variance_reduction&diff=4660&oldid=prev
Jaakko Leppänen: /* Reactor calculation example */
2019-10-05T07:18:56Z
<p><span dir="auto"><span class="autocomment">Reactor calculation example</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 07:18, 5 October 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="L1016" >Line 1,016:</td>
<td colspan="2" class="diff-lineno">Line 1,016:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  3 -1                      % global variance reduction, no energy binning</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  3 -1                      % global variance reduction, no energy binning</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  <del class="diffchange diffchange-inline">3 </del>1 86                    % size in r, theat and z dimensions</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  <ins class="diffchange diffchange-inline">1 </ins>1 86                    % size in r, theat and z dimensions</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  0 <del class="diffchange diffchange-inline">150 170 </del>200.01 <del class="diffchange diffchange-inline">          </del>% r-<del class="diffchange diffchange-inline">bins</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  0 200.01 <ins class="diffchange diffchange-inline">                  </ins>% <ins class="diffchange diffchange-inline">single </ins>r-<ins class="diffchange diffchange-inline">bin</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % 100 z-bin  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % 100 z-bin  </div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L1054" >Line 1,054:</td>
<td colspan="2" class="diff-lineno">Line 1,054:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  1 -1                      % single detector, no energy binning</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  1 -1                      % single detector, no energy binning</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  8                          % unevenly spaced cylindrical mesh</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  <del class="diffchange diffchange-inline">3 </del>1 86                    % size in r, theat and z dimensions</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  <ins class="diffchange diffchange-inline">1 </ins>1 86                    % size in r, theat and z dimensions</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>  0 <del class="diffchange diffchange-inline">150 170 </del>200.01 <del class="diffchange diffchange-inline">          </del>% r-<del class="diffchange diffchange-inline">bins</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>  0 200.01 <ins class="diffchange diffchange-inline">                  </ins>% <ins class="diffchange diffchange-inline">single </ins>r-<ins class="diffchange diffchange-inline">bin</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  0 360                      % single theta-bin</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % 100 z-bin  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>  -40.01                    % 100 z-bin  </div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L1255" >Line 1,255:</td>
<td colspan="2" class="diff-lineno">Line 1,255:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div></div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[File:VR_Gvr_geom1_vr0.png|frameless|200px]] [[File:VR_Gvr_geom1_vr1.png|frameless|200px]] [[File:VR_Gvr_geom1_vr2.png|frameless|200px]] [[File:VR_Gvr_geom1_vr3.png|frameless|200px]] [[File:<del class="diffchange diffchange-inline">VR_Gvr_geom1_vr5</del>.png|frameless|200px]]</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[File:VR_Gvr_geom1_vr0.png|frameless|200px]] [[File:VR_Gvr_geom1_vr1.png|frameless|200px]] [[File:VR_Gvr_geom1_vr2.png|frameless|200px]] [[File:VR_Gvr_geom1_vr3.png|frameless|200px]] [[File:<ins class="diffchange diffchange-inline">VR_Gvr_geom1_vr4</ins>.png|frameless|200px]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[File:VR_Gvr_mesh1_vr0.png|frameless|200px]] [[File:VR_Gvr_mesh1_vr1.png|frameless|200px]] [[File:VR_Gvr_mesh1_vr2.png|frameless|200px]] [[File:VR_Gvr_mesh1_vr3.png|frameless|200px]] [[File:<del class="diffchange diffchange-inline">VR_Gvr_mesh1_vr5</del>.png|frameless|200px]]</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[File:VR_Gvr_mesh1_vr0.png|frameless|200px]] [[File:VR_Gvr_mesh1_vr1.png|frameless|200px]] [[File:VR_Gvr_mesh1_vr2.png|frameless|200px]] [[File:VR_Gvr_mesh1_vr3.png|frameless|200px]] [[File:<ins class="diffchange diffchange-inline">VR_Gvr_mesh1_vr4</ins>.png|frameless|200px]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== References ==</div></td></tr>
</table>
Jaakko Leppänen