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POTENTIAL
16.22
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POTENTIAL: Define an anisotropic yield/creep model.
This option is used to define stress ratios for anisotropic y ield and creep behavior. It can be used
only in conjunction with material models defined by the
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CREEP option, the
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PLASTIC option
(HARDENING=ISOTROPIC, KINEMATIC, or COMBINED; the
*
POTENTIAL option can be used in
conjunction with COMBINED hardening only in ABAQU S/Explicit), and/or the
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VISCOUS opt ion.
Products: ABAQUS/Standard ABAQUS/Explicit
Type: Model data
Level: Model
References:
•
“Classical metal plasticity,” Section 18.2.1 of the ABAQUS Analysis User’s Manual
•
“Models for metals subjected to cyclic loading,” Section 18.2.2 of the ABAQUS Analysis User’s Manual
•
“Rate-dependent plasticity: creepand swelling,” Section 18.2.4 of the ABAQUS AnalysisUser’s Manual
•
“Anisotropic yield/creep,” Section 18.2.6 of the ABAQUS Analysis User’s Manual
•
“Two-layer viscoplasticity,” Section 18.2.11 of the ABAQUS Analysis User’s Manual
Optional parameter:
DEPENDENCIES
Set this parameter equal to the number of field variable d ependencies included in the definition
of
in addition to temperature. If this parameter is omitted, it is assumed that the anisotropy
ratios are constant or depend only on temperature. See “Specifying field variable dependence”
in “Material data definition,” Section 16.1.2 of the ABAQUS Analysis User’s Manual, for more
information.
Data lines used to define stress ratios:
First line:
1. .
2.
.
3.
.
4.
.
5.
.
6.
.
16.22–1
ABAQUS Version 6.1 Module:
ID:
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