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Forum: CFX

March 8, 2016, 04:09

Replies: 8

Supersonic flow crashing in CFX Solver

Views: 1,880

Posted By tomson199

Ok, I saw that your grid looks good. You've got...

Ok, I saw that your grid looks good. You've got the problem with "Overflow". I had this problem few times. If it appeared, I change my turbulence model to SST and in the most cases it works.

Forum: CFX

March 8, 2016, 03:44

Replies: 8

Supersonic flow crashing in CFX Solver

Views: 1,880

Posted By tomson199

Could you past a few photos and print CEL from...

Could you past a few photos and print CEL from solver and show? It will shows me in more details with what you are stuggling.

Forum: CFX

March 8, 2016, 03:22

Replies: 8

Supersonic flow crashing in CFX Solver

Views: 1,880

Posted By tomson199

Maybe your divergent section has quite large...

Maybe your divergent section has quite large angle and expand too fast, so it may cause a big separation vortex? If yes, you should simulate this case as a transient? Did you perform hand calculation...

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