Dear all,
I’m using the UMAT file in which the hypoplastic model for thermal cycles is implemented. I have done some runs for an axisymmetrical model for a single energy pile and it works very well. But when I tried to make 3D modeling for an energy-pile group using this UMAT file when I start the job, nothing happened and after 10 secs the Abaqus mentioned that job is completed but actually no results appear and no steps are solved.
Can anyone help me?
Thank you!

  1. David Mašín
    David Mašín 5 years ago

    Dear Sherif, this issue seems similar as issue reported by Chiara. It thus seems there is some problem in 3D implementation of the model. I am currently unable to help and umat author Qijie Ma is not responding. It will be necessary to go into umat and print debugging messages at various positions in the code, or run it through debugger, to find where the analysis stops. If any one has any news, please let us know. David

  2. Frank Richter
    Frank Richter 5 years ago


    subscribe to and seek assistance from the
    ABAQUS mailing list
    Search the archive of the list before posting in it.
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    or from the ResearchGate discussion forum.

    For advice on mechanics in general, including modeling,
    you can consult

    If you need subroutines: as an introduction get the file User Subroutines with ABAQUS.pdf

    Simulia Learning Community

    Good luck


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