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| − | The energy-dependent transport correction factor is read using the [[input syntax manual#set trc|set trc]] option. The data file contains energy-dependent correction factors:
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| − | <math>
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| − | f(E) = \frac{\Sigma_\mathrm{tr}(E)}{\Sigma_\mathrm{tot}(E)}
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| − | </math>
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| − | at one or multiple temperatures. Histogram interpolation is used between energy points and linear interpolation between temperatures. Constant extrapolation is used below the lowest temperature and above the highest temperature. The file formats is:
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| − | ''NE'' ''E<sub>1</sub>'' ... ''E<sub>NE+1</sub>''
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| − | ''NT'' ''T<sub>1</sub>'' ... ''T<sub>NT</sub>''
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| − | ''F<sub>1,1</sub>'' ''F<sub>2,1</sub>'' ... ''F<sub>NE,1</sub>''
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| − | ''F<sub>1,2</sub>'' ''F<sub>2,2</sub>'' ... ''F<sub>NE,2</sub>''
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| − | ...
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| − | ''F<sub>1,NT</sub>'' ''F<sub>2,NT</sub>'' ... ''F<sub>NE,NT</sub>''
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| − |
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| − | where:
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| − |
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| − | {|
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| − | | <tt>''NE''</tt>
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| − | | : is the number of energy groups
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| − | |-
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| − | | <tt>''E<sub>1</sub>'' ... ''E<sub>NE+1</sub>''</tt>
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| − | | : are the energy group boundaries in MeV (in ascending order)
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| − | |-
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| − | | <tt>''NT''</tt>
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| − | | : is the number of temperatures
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| − | |-
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| − | | <tt>''T<sub>1</sub>'' ... ''T<sub>NT</sub>''</tt>
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| − | | : are the temperatures in kelvin (in ascending order)
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| − | |-
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| − | | <tt>''F<sub>1,1</sub>'' ... ''F<sub>NE,NT</sub>''</tt>
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| − | | : are the transport correction factors corresponding to each energy group and temperature
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| − | |}
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| − |
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| − | <u>Notes:</u>
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| − | *If the number of temperatures is set to zero, no values are read and the same distribution is applied at every temperature.
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| − | [[Category:Input]]
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| − | [[Category:Theory]]
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