For shells of orthotropic/anisotropic materials, there are 3 coordinate systems to consider: global, element, and material. PSI in *ELEMENT_SHELL_BETA and…
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For Euler/ALE materials: history variable 1 = density 2 = volume fraction of 1st multi-material group (formulation 11) or single…
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Anisotropic plasticity models are generally reserved for sheet metal stamping simulations using shells, e. g., *MAT_36 or *MAT_37. *Mat_103 can be used with shells or…
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Find here an overview of viscoelastic material models in LS-DYNA: *MAT_VISCOELASTIC (*MAT_6) *MAT_GENERAL_VISCOELASTIC (*MAT_76) – Can be used for rate-dependent, rubber-like materials…
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In the standard strain rate formulation (VP=0), the effective strain rate is calculated based on the components in the current…
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