Hello Bent Verhulst

In most Plastic models, like Linear hardening or ...., you can define the treatment of the supposed material in an excel sheet, after that use excel data for Abaqus Plastic Model.

Best regards.

Ali Golbaf is right. Use an excel sheet.

More informations in the documentation:

https://classes.engineering.wustl.edu/2009/spring/mase5513/abaqus/docs/v6.6/books/usi/default.htm?startat=pt03ch12s08s02.html

Thank you very much