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  1. Satiar

    Flattening a visco-elastic-plastic material (Abaqus)

    ** MATERIALS ** *Material, name=Deformable *Creep 1.6036e-05, 2., -0.789 *Elastic 700., 0.46 *Plastic 14., 0. 14., 0.4 ** ** INTERACTION PROPERTIES ** *Surface Interaction, name=IntProp-1 1., *Friction, rough *Surface Behavior, penalty ** ** BOUNDARY CONDITIONS ** ** Name: Bot Type...
  2. Satiar

    Flattening a visco-elastic-plastic material (Abaqus)

    Yes to be exact i use C3D8RH
  3. Satiar

    Flattening a visco-elastic-plastic material (Abaqus)

    Hello members I am modeling flattening of a ball using Abaqus. It consists of three steps: flattening (load control, static), creep (visco, constant load) and tangential loading (static, displacement). My 3D model converged for elastic(v=0.46)-viscoplastic (power-law) material and the results...
  4. Satiar

    Transition Mesh from fine to Coarse one using

    Dear all How can i get the transition mesh like the pattern below by ABAQUS!? I get sth similar but it doesn't give me the second (which would be the third one in my model) layer like the picture! Thank you so much in advance
  5. Satiar

    adaptive mesh, loop parallelization warning

    hello everyone I am trying to use adaptive mesh in coupled temperature displacement step, but ABAQUS shows me this warning: This option is not supported for element loop parallelization. i defined refined quad elements at the contact region which i only use Adaptive meshing for it, would you...
  6. Satiar

    adaptive mesh, loop parallelization warning

    hello everyone I am trying to use adaptive mesh in coupled temperature displacement step, but ABAQUS shows me this warning: This option is not supported for element loop parallelization. i defined refined quad elements at the contact region which i only use Adaptive meshing for it, would you...
  7. Satiar

    coupled temp-displacement contact problem

    Dear All I am modeling two deformable bodies (one with high elastic modulus as a rigid body) in contact, It has two steps one loading and one unloading of force control load, my model cannot converge at the first increments of the unloading step, there is excessive distortion in the deformable...
  8. Satiar

    scratch simulation but contact loses in second step

    Greetings I want to simulate scratch in ABAQUS I define it in three steps: indenting (load control), displacement (maintaining the load from the first step), and the unloading. however, when my model goes to the second step which is scratching, my contact broke off and the rigid analytical body...
  9. Satiar

    getting higher maximum load in 2D modeling of indentation compare to 3D!

    Hello, everyone! I am modeling nanoindentation in 2D and 3D. My 3D model works fine and gives the right answers base on the experiments (I am modeling two materials one with E=300 Y=7 GPa and the other with E=400 and y= 37). However, the 2D model with the same mesh size, element, and partitions...
  10. Satiar

    Nonlinear, negative stiffness materials solver

    hi everyone I want to model a nonlinear elastic with negative stiffness behavior, however, I cannot find a good solver for it. I tried Riks method but it doesn't work since the displacement is too large, Do you have any suggestion!? Thank you so much in advance
  11. Satiar

    Can anyone help with a vertical load-control and tangent displacement control problem in Abaqus?

    Hi I applied a vertical load control (negative y-direction) on the rigid body until it reached the pre-set value of  -100000nN then for lateral movement the rigid is constrained to only move in x-direction (displacement load) and with the same -100000nN constant load at negative y-direction...

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