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RATE DEPENDENT
Data lines to define the overstress power law parameters (TYPE=POW ER LAW):
First line:
1. D.
2. n.
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 dependence of the mater ial parameters
on temperature and other field variables.
Data line to define the Johnson-Cook rate parameters (TYPE=JOHNSON COOK):
First (and only) line:
1. C.
2.
.
Data lines to define yield stress ratios (TYPE=YIELD RATIO):
First line:
1. Yield stress ratio, .
2. Equivalent plastic strain rate,
(or , the absolute value of the axial plastic strai n rate
in uniaxial com pression, for the crushable foam model).
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 dependence of the yield stress ratio on
equivalent plastic strain and, if needed, on temperature and other predefined field variables.
17.8–2
ABAQUS Version 6.1 Module:
ID:
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