# Difference between revisions of "Infinite homogeneous LWR-like reactor transient example"

From Serpent Wiki

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== Time dependent simulation (no reactivity insertion) == | == Time dependent simulation (no reactivity insertion) == | ||

== Time dependent simulation (0.85$ reactivity insertion) == | == Time dependent simulation (0.85$ reactivity insertion) == |

## Revision as of 16:24, 15 March 2016

## Generating the steady state source distributions

set title "Creating source for a time dependent simulation" % --- Geometry is just a cube surf 2 cuboid -100.0 100.0 -100.0 100.0 -100.0 100.0 % --- Cell definitions: cell 3 0 fuel -2 cell 99 0 outside 2 % Outside world % --- Fuel material is a homogenized LWR material: mat fuel sum vol 8.0000E+06 moder lwtr 1001 8016.03c 0.316667 1001.03c 0.633333 92235.03c 0.0015 92238.03c 0.0485 5010.03c 0.000115793 % --- Thermal scattering data for hydrogen in light water (294 K) therm lwtr lwj3.00t % --- Reflective boundary condition: set bc 2 2 2 % --- Set power level set power 1.0 % --- Neutron population: % --- Large population size: (produced approx. 60M neutron and 40M precursor source points) set pop 80000 80000 200 1.0 100 % --- Save neutron and precursor source to "./source"-files set savesrc "./source" % --- Do not generate group constants set gcu -1 % --- Do not use implicit capture, nxn, or fission set impl 0 0 0