Dear Ayat,

I propose using crushable foam material model. It is suitable for porous materials such as rigid PU foams or Aluminum foams (not for flexible foams). Crushable foam material model is based on Deshpande and Fleck plasticity after elastic region and contains two different hardening methodes.

You could get more information from below link:

http://130.149.89.49:2080/v6.10/books/usb/default.htm?startat=pt05ch20s03abm33.html

Regards,

M. Khodaei

Dear Meysam Khodaei

Thanks for your informative comment.

Regards,

Ayat

https://classes.engineering.wustl.edu/2009/spring/mase5513/abaqus/docs/v6.6/books/usb/default.htm?startat=pt05ch17s03abm05.html