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POROUS METAL PLASTIC ITY
16.20
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POROUS METAL PLASTICITY: Specify a porous metal plasticity model.
This option is used to specify the porous part of the p orous metal plasticity model.
The
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POROUS METAL PLAST ICITY option can be used in co n junction with the
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VOID
NUCLEATION option to define the nucleation of voids. In an ABAQUS/Explicit analysis it can also be used
in conjunction with the
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POROUS FAILURE CRITERIA option to specify the material failure criteria.
Products: ABAQUS/Standard ABAQUS/Explicit
Type: Model data
Level: Model
References:
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“Porous metal plasticity,” Section 18.2.9 of the ABAQUS Analysis User’s Manual
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VOID NUCLEATION
• *
POROUS FAILURE CRITERIA
Optional parameters:
DEPENDENCIES
Set this parameter equal to the number of field variable dependencies, in addition to temperature,
included in the definition of the
, ,and parameters. If this parameter is omitted, , ,and
may depend only on tem perature. See “Specifying field variable dependence” in “Material data
definition,” Section 16.1.2 of the A BAQ US Analysis User’s Manual, for m ore information.
RELATIVE DENSITY
Set this parameter equal to
, the initial relative density of the material. If this parameter is o mitted,
the initial relative density is interpolated from the values given in the
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INITIAL CONDITIONS,
TYPE=RELATIVE DENSITY option.
Data lines to define porous metal plasticity:
First line:
1. .
2.
.
3.
.
4. Temperature.
5. First field variable.
16.20–1
ABAQUS Version 6.1 Module:
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