[tag] tangent_type

Defines which tangent operator is taken for the local "integrate stress" algorithm.

Possible choices are: Plastic – default case (elasto-plastic operator) as in original Ehlers material model. Elastic – purely elastic stiffness matrix PlasticSecant – damage secant elasto-plastic operator.

Additional info

No additional info.

Used in the following test data files

Used in no end-to-end test cases.