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#1 2019-06-12 09:48:37

manonB
Member
From: Allemagne
Registered: 2019-04-02
Posts: 67

GROT_GDEP for a UMAT subroutine

Hello everyone!

I'm curious about something...
Does anyone know why the DEFORMATION='GROT_GDEP' is not available when when use a UMAT?
We can only choose between 'PETIT', 'PETIT_REAC' and 'GDEF_LOG'.
If I understand well, the option we choose for DEFORMATION sets which deformation tensor is used for the simulation. So with a UMAT it defines what we have for STRAN. So theoretically we could give any deformation we want for STRAN, then why not the Green-Lagrange deformations from GROT_GDEP ?

Thanks in advance,
Have a good day,
Manon

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