Simulation does not converge

Project Support
1

This is a simple simulation of assembling four components.
Fix component3 and move B16-195_2080_2101_1002 -2.2mm in the Y direction.
The purpose is to check the deformation, stress, and strain of component2.
It takes a long time and does not converge at all. Please tell me the solution.

Project link: https://www.simscale.com/workbench/?pid=4223290462052040841&mi=run%3A18%2Csimulation%3A6&mt=SIMULATION_RUN

2

Hi @a_ishikawa, thanks for posting!

A few comments:

  1. I don’t see this problem as being trivial in any way. It’s highly non-linear as you have 5 Physical Contact definitions
  2. It seems like you’ve disabled the geometry update option in the physical contacts - keep in mind this should lead to unrealistic results

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  1. Since you seem to have a sweepable shape, consider using extrusion mesh refinements as this will help with the stability of the simulation (less distorted elements = better convergence).

Just for me to better assist you - would you mind telling me if your intended application with SimScale is Commercial, Academic or Hobby?

Cheers
Igor

4

Thank you for your reply.
I added a physical contact definition with the intention of avoiding contact surface penetration.
I disabled the geometry update option for physical contact because I followed the suggestion in the error message.
I am currently using it with the Community Plan in order to consider commercial use.

5

By adding extrusion mesh refinement, the simulation converged.
Thank you.

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