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Stress Update in VUMAT for the Euleurian elements

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  • Stress Update in VUMAT for the Euleurian elements

    Hello,

    I am writing a VUMAT subroutine for Coupled Euleurian Lagragian (CEL) method.

    My goal is the application of this code for the softening of undrained shear strength of clay using Tresca failure criterion and working in 3D cases.

    Actually, my subroutine could run well for a simple model which used Lagragian elements (C3D8R), however, the error code 1073741819 had occured when I used it for Euleurian elements (EC3D8R) (Using Euleurian Volume Fraction Tool)

    I find that the stress update for Euleurian elements is different from Lagragian approach.

    It would be highly appreciate if anybody could help me regarding my trouble.

    Thank you,

    Doan Nhat Phi


    Please kindly find the attached file for your information
    Attached Files

  • #2
    Hello

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    • #3
      Dear Frank,

      Thank you for your reccommendation.

      Best Regards.

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