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troubleshooting user subroutine with abaqus 6.10

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Joined: 6 years ago

Hi guys,

Im trying to implement subroutine umatht(user defined code is written in 2006- not sure which version of abaqus is used?! ) and run a job.However, i,m getting this error through abaqus cae and cmd .Im using abaqus 6.10 -VS2008-IVF 11 AND successfully run some examples from abaqus verification.i also can send my fortran file ( .for) and input abaqus file for more clarification if you require.

is it possible that mismatching abaqus version cause this kinda error?i mean running a subroutine(written code in 06) is it sensetive to abaqus versions(6.10)?

E.obj= error LNK2019: unresolved external symbol state referenced in function UMATHT

E.DLL= fatal error LNK1120: 1 unresolved externals

ERROr on cae :

Abaqus Error: Problem during linking - Abaqus/Standard User Subroutines.

This error may be due to a mismatch in the Abaqus user subroutine arguments.

These arguments sometimes change from release to release, so user subroutines

used with a previous release of Abaqus may need to be adjusted.

Abaqus/Analysis exited with errors

any help really apreciated.

With regards,