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VOLUMETRIC TEST DATA
See “Using the DEPENDENCIES param eter to define field variable dependence” in “Material data
definition,” Section 16.1.2 of the A BAQ US Analysis User’s Manual, for m ore information.
Data lines to specify volumetric test data for hyperelasticity other than the Marlow model:
First line:
1. Pressure, p.
2. Volume ratio, J (current volume/original volume).
Repeat this data line as often as necessary.
Data lines to specify volumetric test data for the Marlow model:
First line:
1. Pressure, p.
2. Volume ratio, J.
3. Temperature,
.
4. First field variable.
5. Second field variable.
6. Etc.,uptofivefieldvariables.
Subsequent lines (only needed if the DEPENDENCIES parameter has a value greater than five):
1. Sixth field variable.
2. Etc., up to eight field variables per line.
Repeat this set of data lines as often as necessary to define the test data as a function of temperature
and other predefined field variables. The volume ratios must be given in descending order.
Hyperfoam material model
References:
•
“Hyperelastic behavior in elastomeric foam s,” Section 17.5.2 of the ABAQUS Analysis Us er’s Manual
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HYPERFOAM
There are no parameters associated with this option.
Data lines to specify volumetric test data for a hyperfoam:
First line:
1. Pressure, p.
2. Volume ratio, J (current volume/original volume).
Repeat this data line as often as necessary.
21.7–2
ABAQUS Version 6.1 Module:
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