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vumat error

Submitted by shiyu_vincent on
Hi, everyone

I am a new user for VUMAT. I am simulating the impact behavior of the laminates.

I search for the vumat file from Mr.Benz in this forum

But when I try it the error is strange:"No vumat subroutine was supplied for the user material named: cfrp



Abaqus/Explicit Packager exited with an error - Please see the  status file for possible error messages if the file exists."



"cfrp" above is the name I defined. I cannot understand this error because I already add .for file when I edit the job, but why the error show no vumat subroutine was supplied.



In addition, how to set the state variable and how much is good for this subroutine.



My ABAQUS version is 6-10 and the operation system is windows 7