Only isotropic hardening is defined. The kinematic hardening is set to zero.
material BilinearMises1D (1) (2) (3) [4] [5]
# (1) int, unique material tag
# (2) double, elastic modulus
# (3) double, initial yield stress
# [4] double, hardening ratio, default: 0.0
# [5] double, density, default: 0.0