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Fluids

Fluids

Topics related to Fluent, CFX, Turbogrid and more.

Floationg point exception

    • 64010103
      Subscriber

      I've just create periodic zones and setup model but when I go to run for calculate ,the programe shows 'floating point exception'.

      However, when I didn't create periodic zones, the programe can calculate.

      Please recommend me for this case, what should I do.

       

      iter continuity x-velocity y-velocity z-velocity energy k epsilon time/iter

      6 0.0000e+00 0.0000e+00 0.0000e+00 0.0000e+00 6.2867e-08 3.1753e-04 7.6005e-01 1:04:53 1000

      Stabilizing pressure correction to enhance linear solver robustness.

      Stabilizing pressure correction using GMRES to enhance linear solver robustness.

       

      Divergence detected in AMG solver: pressure correction Stabilizing pressure correction to enhance linear solver robustness.

      Stabilizing pressure correction using GMRES to enhance linear solver robustness.

       

      Divergence detected in AMG solver: pressure correction Stabilizing k to enhance linear solver robustness.

      Stabilizing k using GMRES to enhance linear solver robustness.

       

      Divergence detected in AMG solver: k Stabilizing epsilon to enhance linear solver robustness.

      Stabilizing epsilon using GMRES to enhance linear solver robustness.

       

      Divergence detected in AMG solver: epsilon Stabilizing temperature to enhance linear solver robustness.

      Stabilizing temperature using GMRES to enhance linear solver robustness.

       

      Divergence detected in AMG solver: temperature

      Error at host: floating point exception

       

      ===============Message from the Cortex Process================================

       

      Compute processes interrupted. Processing can be resumed.

       

      ==============================================================================

       

      Error: floating point exception

      Error Object: ()

       

      Error at Node 0: floating point exception

       

      Error: floating point exception

      Error Object: #f

      Writing "| gzip -2cf > SolutionMonitor.gz"...

      Writing temporary file C:\Users\user\AppData\Local\Temp\flntgz-145523 ...

      Done.

       

      For mesh Quality of this model:

      Minimum Orthogonal Quality = 9.28721e-02 cell 22183 on zone 2 (ID: 20716 on partition: 0) at location ( 5.55440e-03, 5.34782e-03, 1.40679e-01)

      Maximum Aspect Ratio = 1.64071e+01 cell 78175 on zone 2 (ID: 78746 on partition: 0) at location ( 1.49435e-01, 4.78289e-03, 9.94640e-02)

    • Federico
      Ansys Employee

      Hello, 

      How did you create your periodic zones?

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