ABAQUS Volume II: I–Z - Manual (Page 272)

*PLANAR TEST DATA
Data lines to specify planar test data for hyperelasticity other than the Marlow model:
First line:
1. Nominal stress, .
2. Nominal strain in the direction of loading, .
Repeat this data line as often as necessary to give the stress-strain data.
Data lines to specify planar test data for the Marlow model:
First line:
1. Nominal stress, .
2. Nominal strain, .
3. Nominal lateral strain, . Not needed if the POISSON parameter is specified on the
*HYPERELASTIC option or if the *VOLUMETRIC TEST DATA option is used.
4. Temperature, .
5. First field variable.
6. Second field variable.
7. Etc., up to four field variables.
Subsequent lines (only needed if the DEPENDENCIES parameter has a value greater than four):
1. Fifth 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. Nominal strains and nominal stresses must be given in ascending
order.
Using planar test data to define an elastomeric foam
References:
•
“Hyperelastic behavior in elastomeric foams,” Section 17.5.2 of the ABAQUS Analysis User’s Manual
•
*HYPERFOAM
There are no parameters associated with this option.
Data lines to specify planar test data for a hyperfoam:
First line:
1. Nominal stress, .
2. Nominal strain in the direction of loading, .
16.11–2
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