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Run in parallel slow and cannot open the mesh in Paraview

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Old   July 13, 2016, 05:55
Default Run in parallel slow and cannot open the mesh in Paraview
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Janry
Join Date: Oct 2015
Posts: 46
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Hi Foamers,

I try to run the case with mpi parallel.
However, I've faced with some problems.


  1. When running in parallel, the case is diverged. But when running in single core, it is converged sufficiently.
  2. when running in parallel, the case is quite slow rather than running in single core.
  3. After using decomposePar utility, I cannot open the mesh in paraview for processorN. The paraview offers the error message like that:
    Code:
      p, li { white-space: pre-wrap; }  4725
     vtkOpenFOAMReaderPrivate (0x9e7ff88): Numbers of faces in faces 346703 and owner 343167 does not match
     
    
     
    
     ERROR: In /build/buildd/paraview-4.0.1/VTK/Common/ExecutionModel/vtkExecutive.cxx, line 754
     vtkPVCompositeDataPipeline (0xa6ed908): Algorithm vtkPOpenFOAMReader(0xa630578) returned failure for request: vtkInformation (0xad3a448)
       Debug: Off
       Modified Time: 119955
       Reference Count: 1
       Registered Events: (none)
       Request: REQUEST_DATA
       ALGORITHM_AFTER_FORWARD: 1
       FROM_OUTPUT_PORT: 0
       FORWARD_DIRECTION: 0
Could anyone help me out of the situation?
Thanks!
Janry
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