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*
RATIOS
17.9
*
RATIOS: Define anisotropic swelling.
This option is used to specify ratios that define anisotr opic swelling. Th e
*
RATIOS option can be used only
in conjunction with the
*
MOISTURE SWELLING option or the
*
SWELLING option, and it should appear
immediately after either one.
Product: ABAQUS/Standard
Type: Model data
Level: Model
References:
•
“Moisture swelling,” Section 20.7.6 of the ABAQUS Analysis User ’s Manual
•
“Rate-dependent plasticity: creepand swelling,” Section 18.2.4 of the ABAQUS AnalysisUser’s Manual
• *
MOISTURE SWELLING
• *
SWELLING
Optional parameter when the
*
RATIOS option is used with the
*
SWELLING option:
DEPENDENCIES
Set this parameter equal to the number of field variable dependencies included in the definition of
the anisotropy ratios in addition to temperature. If this parameter is omitte d, it is assumed that the
ratios depend only on temperature. See “Specifying field variable dependence” in “M aterial data
definition,” Section 16.1.2 of the A BAQ US Analysis User’s Manual, for m ore information.
Data lines to define anisotropic swelling ratios:
First line:
1.
2.
3.
4. Temperature. This value and all of the following field variables can be defined only if the
*
RATIOS option is used with the
*
SWELLING option.
5. First field variable.
6. Second field variable.
7. Etc., up to four field variables.
17.9–1
ABAQUS Version 6.1 Module:
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