UMAT
User subroutine to define a material's mechanical behavior.
Product:
Abaqus/Standard
Warning:
The use of this subroutine generally requires considerable expertise.
You are cautioned that the implementation of any realistic constitutive model
requires extensive development and testing. Initial testing on a single-element
model with prescribed traction loading is strongly recommended.
References
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User-defined mechanical material behavior,
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Section 25.7.1 of the Abaqus
Analysis User's Manual
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User-defined thermal material behavior,
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Section 25.7.2 of the Abaqus
Analysis User's Manual
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*USER MATERIAL
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SDVINI,
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Section 4.1.11 of the Abaqus Verification Manual