mcdc.weight_roulette#

mcdc.weight_roulette(w_threshold=0.2, w_survive=1.0)#

Activate weight roulette technique.

If neutron weight is below w_threshold, then enter weight roulette technique with survival weight w_survive.

Parameters#

w_thresholdfloat

Weight_roulette() is called on a particle if P[‘w’] <= wr_threshold.

w_survivefloat

Weight of surviving particle.

Returns#

None (in-place card alterations).