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UMAT in multiscale modeling

Hi all,

I am using multiscale modeling in my analysis. This is what I am trying to do:

-After solving the RVE problem on microscale, I got the stress-strain relationship realated to my RVE and now I need to create a UMAT soubroutines for abaqus in order to call it at the integration points of the macro model. 

Is there a possibility to create a UMAT from stress-strain curve related to a representative volume element? How can I do that? Could you please give me an hint?

Thank you very much in advance for your help

Best regards

Yas

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