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Abaqus UMAT: compiling a right standardU.dll

Abaqus UMAT: compiling a right standardU.dll

Abaqus UMAT: compiling a right standardU.dll

(OP)
Hi everyone,
I'm trying to implement a user material in Abaqus 6.12. I use Intel Visual Fortran 64 XE compiler to create standardU.dll, which I put into the Abaqus bin folder to replace the original standardU.dll. The dll exports "umat" subroutine (I checked it with DUMPBIN /EXPORTS). Compiler and linker options are the same as in "abaqus_v6.env" file. However, every time I run the job, standard.exe crashes and prints 10-digit error codes, like:

Abaqus Error: The executable standard.exe
aborted with system error code 1073741701.
Please check the .dat, .msg, and .sta files for error messages if the files
exist.  If there are no error messages and you cannot resolve the problem,
please run the command "abaqus job=support information=support" to report and
save your system information.  Use the same command to run Abaqus that you
used when the problem occurred.  Please contact your local Abaqus support
office and send them the input file, the file support.log which you just
created, the executable name, and the error code. 

No .msg or .sta files are created, and .dat doesn't contain any error info. I'm a PhD student and our university doesn't have a business license to be able to contact the tech support. Is there any way to figure out what is the problem?

RE: Abaqus UMAT: compiling a right standardU.dll

Well I have never heard of anybody doing it that way before. Why dont you just link to your Fortran code for the UMAT in the command line?

abaqus job=jobname user=umat.for

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