Combining Kinematic and Isotropic Hardening Material Plasticity Models together

jjdoylejjdoyle PittsburghForum Coordinator

You can define combined hardening metal plasticity (Kinematic and Isotropic) in Engineering Data and/or MAPDL, but you have to use the Chaboche nonlinear kinematic model for the kinematic part. 

You cannot just combine BKIN with BISO directly.

Note: for the Chaboche nonlinear kinematic, if n=1 and gamma =0, it reduces to a bilinear representation.

Refer to Table 7.1 of MAPDL Material Reference Manual for a list of all allowable nonlinear material combinations.

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