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help to wright umat for multi yield surfaces j2 plasticity model

kamal paknejad's picture

Hi every one. Im working on multi yield surfaces j2 plasitisity and if its possible i want add cappability to predict time dependant hehaivior of geomaterials. to start i must wright an umat code for multi yield surfaces j2 model. please help me how can i find it or give me any information about it. thanks for every one.

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Frank Richter's picture

Subscribe to and seek assistance from the
ABAQUS mailing list
https://groups.yahoo.com/group/ABAQUS
or from the ResearchGate discussion forum.

Search the archive of the list before posting in it.
The list does not accept attachments.

For an intro to subroutines get the file
http://imechanica.org/files/Writing User Subroutines with ABAQUS.pdf

Good luck

Frank

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