CustomHoffman
Hoffman Model With Custom Isotropic Hardening
Syntax
material CustomHoffman (1) (2...7) (8...10) (11...19) (20) [21]
# (1) int, unique material tag
# (2...7) double, six moduli: E_{xx}, E_{yy}, E_{zz}, E_{xy}, E_{yz}, E_{zx}
# (8...10) double, three poissions ratios: v_{xy}, v_{yz}, v_{zx}
# (11...19) double, nine yield stress
# (20) int, isotropic hardening expression tag
# [21] double, density, default: 0.0The expressions shall be able to compute derivatives.
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