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Abaqus VUMAT for hypoplastic law
Sat, 2017-03-04 09:20 - ferial
Please, I’m investing about the hypoplastic model for granular materials to study the behavior of sand under a dynamic excitation. I try to use the UMAT – VUMAT interface, Interface between UMAT (Abaqus/Standard) and VUMAT (Abaqus/Explicit) from http://www.soilmodels.info/ node17.html website. Like UMAT I use the actual version on your uibk.ac.at website (umat_vec.f with consistent tangent operator and error control) for application I try the example of a triaxial test. Please any one have already use the hypoplastic model for any explicit analysis? Please any experience around the UMAT – VUMAT interface for hypoplastic model? Best regards
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For an intro to subroutines get the file
http://imechanica.org/files/Writing User Subroutines with ABAQUS.pdf
Good luck
Frank
Dear Frank,
Dear Frank,
For Abaqus mailing list; I have already asked the problem for 2 years ago (no archive)
Sorry, the problem is not 'how to write a user subroutine' but is how to use the UMAT – VUMAT interface, Interface between UMAT (Abaqus/Standard) and VUMAT (Abaqus/Explicit) from http://www.soilmodels.info/ node17.html website. (UMAT from the uibk.ac.at website ).
Thanks
Abaqus mailing list
This interface is probably quite recent. I do not recall having read anything on it in the list. Post in the mailing list. "Search the archive before posting" is part of my standard text when replying to queries like yours.
hello,
hello,
have you solve the problem? i have got the same problem, if you have time, we could discuss it together. my e-mail: wangpeixun90619@hotmail.com
Peixun Wang