Akshay Maniyar
Ansys Employee

Hi Akshay,

Can you please give more details related to the below points:

  1. Did you use linear or non-linear material?
  2. Is the large deflection option ON?
  3. Did you try switching from frictionless to frictional contact?
  4. Also, share some more details about the loads applied to the model.

Meanwhile please check the below knowledge material for best practices related to snap fit.

Snap Fit Analysis - Best Practices - Ansys Knowledge

Thanks,

Akshay Maniyar