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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › No plastic deformation in Explicit Dynamics on a Beam Section Tubular Chassis. › Reply To: No plastic deformation in Explicit Dynamics on a Beam Section Tubular Chassis.

November 27, 2023 at 7:53 pm
Armin
Ansys Employee

Hi David,

Could you try the following items:

Define a plasticity model using one of the models available under Engineering Data like Bilinear Isotropic Hardening or Multilinear Isotropic Hardening using typical steel properties to see if you observe plastic deformation using a custom-made plasticity model.

Try refining the mesh in the beams. The element size appears too coarse and may not properly resolve plastic deformation.