abumpack Activity
Fortran library with the Abaqus user material subroutines UMAT/VUMAT
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Activity for abumpack
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BaYao cheng modified a comment on discussion General Discussion
I'm a doctoral student from Huazhong University of Science and Technology in China. The paper 'Levenberg–Marquardt vs Powell’s dogleg method for Gurson–Tvergaard–Needleman plasticity model' was wonderful. I had tried my best to test the gtn code based on the website netlib.org/slatec/src/dnls1.f, but I found it always could not converge. when I used the 'powell-lm.f90' code and 'gtn-st-1fet-usr.inp' in abumpack4. the job aborted due to unrecovered error, the log showed 'too many function evaluations'....
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I'm a doctoral student from Huazhong University of Science and Technology in China. The paper 'Levenberg–Marquardt vs Powell’s dogleg method for Gurson–Tvergaard–Needleman plasticity model' was wonderful. I had tried my best to test the gtn code based on the website netlib.org/slatec/src/dnls1.f, but I found it always could not converge. when I used the 'powell-lm.f90' code and 'gtn-st-1fet-usr.inp' in abumpack4. the job aborted due to unrecovered error, the log showed 'too many function evaluations'....
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I'm a doctoral student from Huazhong University of Science and Technology in China. The paper 'Levenberg–Marquardt vs Powell’s dogleg method for Gurson–Tvergaard–Needleman plasticity model' was wonderful. I had tried my best to test the gtn code based on the website netlib.org/slatec/src/dnls1.f, but I found it always could not converge. when I used the 'powell-lm.f90' code and 'gtn-st-1fet-usr.inp' in abumpack4. the job aborted due to unrecovered error, the log showed 'too many function evaluations'....
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Anton Shterenlikht posted a comment on discussion General Discussion
Also, with any problems, please submit a ticket. This helps keep track and not forget or ignore user feedback.
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sorry, missed your post I need more detailed info. For starters, try version 4, cd tests/gtn and try job-exp. Let me know of any problems
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abumpack released /abumpack4.txz
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updated README of release 4
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cut release 4
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GTN seems working
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still GTN is not completely fine
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updated job and clean scripts
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removed obsolete file
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gtn seems to run till the end - need to verify results
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some progress on GTN explicit - need to check plast integration - something is wrong
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working on gtn VUMAT, not ready, do not use!
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updated release readme
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cutting release 3.0
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updated readme + makefiles
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updated GCC aba env file
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minor
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comments
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better comments
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better comments
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svn Id set
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better automation
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minor
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svn Id set
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svn Id set
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svn Id set
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svn Id set
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svn Id set
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svn Id set
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svn Id set
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svn Id set
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made all total times and initial time inc the same for all gtn tests
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svn Id added
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3rd gtn static test passed
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svn Id added
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svn Id added
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svn Id added
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svn Id added
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removed obsolete file
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renaming files for consistency
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removed obsolete hard files
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progress with gtn tests
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starting to validate abq gtn against usr
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can run 1fet GTN umat till the end - more testing needed
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gtn getting closer
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major changes to gtn code
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adding svn Id
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adding svn Id
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adding svn Id
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adding svn Id
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minor
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rousselier tests pass with Intel
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minor
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getting better
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added missing slatec file
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minor
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moving to tests
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minor
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renaming gcc makefile for consistency
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renaming files, getting the build system up to date
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getting back to this after a long while
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Seyed Yousef, Ahmadi Brooghani posted a comment on discussion General Discussion
I have tried to use the GTN VUMAT after many correction I have found that the Props are not passed into the VUMAT correctly. I will appreciate if you could please let me know how to solve the problem.
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fixed the full file name for grain size file
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release 2.2 was cut wrongly, remove it.
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updated
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cut release 2.2a
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cut release 2.2
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forgot to add a file
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updated aba env to *not* link against slatec lib
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added slatec folder for several reasons:
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updated kwan/abum_cafe routine
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Added new routines for Wan's work.
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updated releases README
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cut release 2.1
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- use solution from previous iteration if any R...
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minor
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removed obsolete file
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removing obsolete files
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removing obsolete files
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removing obsolete files
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removing obsolete files
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removed obsolete files
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removed obsolete files
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