Cooling Jackets

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How to fix this problem?

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Hi @jmenear,

Thanks for posting your question. Here you have the solution: Divergence in Simulation: How to Tell When and Where? | SimScale

best,

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Now what should be done from this point?

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In this case, two main workflows are possible:

  • CAD clean-up around the problematic region
  • Improving the mesh settings (for example, by applying additional local refinement, or improving the small feature suppression configuration)