gs.materials.MPM.Snow

class genesis.engine.materials.MPM.snow.Snow(E=1000000.0, nu=0.2, rho=1000.0, lam=None, mu=None, sampler='random', yield_lower=0.025, yield_higher=0.0045)

基类：ElastoPlastic

Snow is a special type of ElastoPlastic that get’s harder when compressed. It doesn’t support von Mises yield criterion.

update_F_S_Jp(J, F_tmp, U, S, V, Jp)

update_stress(U, S, V, F_tmp, F_new, J, Jp, actu, m_dir)