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UMAT or UDMGINI 1

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NEROOO

NEROOO

Mechanical
Joined
Oct 23, 2019
Messages
36
Location
CA
Hi,

recently studying and working on the DUCTILE DAMAGE model as shown in picture
DUCTILE_vvyv5g.png


it got fracture strain, stress triaxiality, and strain rate. Also, has a subsection for damage evolution.

I'm wondering if this model could be substituted through a UMAT? Or need to combine with the UDMGINI?

Thanks a lot!
 
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UDMGINI subroutine is used to define damage initiation criteria and works only with XFEM elements. For other purposes you would have to use UMAT.
 
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