Fluids

Fluids

What does it mean by ‘Warning: zone of type interior found between different solids!’?

    • Donghyun Yim
      Subscriber

      Hi,

       

      When I initialize the solution on fluent solve, the following message appears.

       

      Warning: zone of type interior found between different solids!

      Material of cell zone 14 is sus, while material of cell zone 13 is polymide.

      This will adversely affect the solution.

      It is recommended that you fix this issue via the TUI command

       

      /mesh/modify-zones/slit-interior-between-diff-solids

       

      Unless I enter the above command it diverges, but when I enter that command it converges.

       

      I got the final solution, but I am curious of why that warning appeared.

       

      Thanks,

      Donghyun

    • Keyur Kanade
      Ansys Employee

      'interior' is nothing but the interior cells. for any boundary usually we have 'wall' type. so it it is 'interior' then solver will treat as 'interior' rather than 'wall'. 

      if this helps you, please mark this post as 'is solution' to help others on forum.

       

       

       

    • Donghyun Yim
      Subscriber

      So that warning message implies the absence of wall between different interiors (or solids), and that command splits them.

      If so, do I need to modify mesh before solve in order to prevent that warning?

      Thanks,

      Donghyun

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