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Abaqus subroutine for the Chaboche elasto-viscoplastic model

Submitted by Barbara on

Dear community,

 I need to implement the Chaboche elasto-visco-plastic model (with damage and without damage) into an Abaqus subroutine (VMAT or UMAT). However, I don't have any experience and the model is not so easy. Can anyone help me in some way?

 Thank you very much.

Barbara