3D BWR assembly transient example

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Generating the steady state source distributions

% --- Asymmetric BWR assembly with Gd-pins -------------------

set title "Peach Bottom 2 from UAM, source generation "

include pins

include geometry

include materials

% --- Reflective boundary condition in XY:

set bc 2 2 1

% --- Neutron population and criticality cycles:

set pop 80000 1000000 200 1.0 100

% --- Geometry and plots:

plot 3 1000 1000 0.0 
plot 3 1000 1000 0.0 -7.62 7.62 -7.62 7.62
plot 2 500 1500

% --- Total power for normalization:

set power 4.0000e+06

% --- Save source to "./source"-files

set savesrc "./source" 1.00 0.25 1 1 1

% --- Do not generate group constants

set gcu -1

% --- Do not use implicit capture, nxn, or fission

set impl 0 0 0