*TENSILE FAILURE
Set PRESSURE=DUCTILE to model the case where the pressure stresswill be limited by the
hydrostatic cutoff stress when the failure criterion is met.
SHEAR
Set SHEAR=BRITTLE to model the case where the deviatoricstresses will be set to zero when the
failure criterion is met.
Set SHEAR=DUCTILE to model the case where the deviatoric stresses will be unaffected
when the failure criterion is met.
Data lines to specify a tensile failure model:
First line:
1. Hydrostaticcutoff stress (positive in tension). (Units of FL−2 .)
2. Temperature.
3. Firstfield variable.
4. Second field variable.
5. Etc., up to six field variables.
Subsequent lines (only needed if the DEPENDENCIES parameterhas a value greater than six):
1. Seventhfield variable.
2. Etc.,up to eight field variables per line.
Repeat this set of data lines aso ftenas necessar y to define the dependence ofhydrostatic cutoff stress
as a function of temperature and other predefined field variables.
19.2–2
ABAQUS Version 6.1 Module: ID:
Printed on: