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SWELLING
18.53
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SWELLING: Specify time-dependent volume tric swelling.
This option is used to specify time-dependent metal swell ing for a material. Swelling behavior defined
by this option is active only during
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SOILS, CONSOLIDATION;
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COUPLED TEMPERATURE-
DISPLACEMENT; and
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VISCO procedures.
Product: ABAQUS/Standard
Type: Model data
Level: Model
References:
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“Rate-dependent plasticity: creepand swelling,” Section 18.2.4 of the ABAQUS AnalysisUser’s Manual
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“CREEP,” Section 1.1.1 of the ABAQUS User Subroutines Reference Manual
Optional parameters:
DEPENDENCIES
Set this parameter equal to the number of fie ld variable dependencies included in the definition of the
volumetric swelling strain rate in addition to temperature. If this parameter is omitted, it is assumed
that the volumetric swelling strain rate is constant or depends only on tem perature. See “Specifying
field variable dependence” in “Material data definition,” Section 16.1.2 of the ABAQUS Analysis
User’s Manual, for more information.
LAW
Set LAW=INPUT (default) to define the swelling behavior on the data lines.
Set LAW=USER to define the swelling behavior in user subroutine CREEP.
Data lines for LAW=INPUT:
First line:
1. Volumetric swelling strain rate.
2. Temperature.
3. First field variable.
4. Second field variable.
5. Etc., up to six field variables.
Subsequent lines (only needed if the DEPENDENCIES parameter has a value greater than six):
1. Seventh field variable.
18.53–1
ABAQUS Version 6.1 Module:
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