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  1. Ross11

    Abaqus Contact Algorithm - 6.10 vs. 6.19

    Hi, I am trying to implement a modified Mohr-Coulomb (MC) model in Abaqus 2019 using the vusdfld user subroutine for a pipe-soil interaction analysis. The user subroutine was initially developed and tested in Abaqus 6.10. The user subroutine computes plastic shear strain that is used to update...
  2. Ross11

    VUSDFLD - Abaqus 6.10 vs. 6.19

    I am implementing a modified Mohr-Coulomb model to account for the dependence of friction and dilation angles on the accumulated plastic strain and mean stress. Important when modeling medium to dense sand. The built-in Mohr-Coulomb model assumes friction and dilation angles to be constant.
  3. Ross11

    VUSDFLD - Abaqus 6.10 vs. 6.19

    Hi, I am trying to implement a Mohr-Coulomb model in Abaqus 2019 using the vusdfld user subroutine. The user subroutine was initially developed and tested in Abaqus 6.10. The user subroutine computes two field variables (plastic shear strain and confining stress) that are used to update the...

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