AcuView error

cjc_21934
cjc_21934 Altair Community Member
edited October 2022 in Community Q&A

AcuRun fatals out with the last few lines of the .log file:

acuView-impi: *** ASSERTION in Function <vfmLsquare> File <vfm.c> Line <1864>
acuView-impi: *** Exceeds max smoothing passes
acuView-impi: No. negative viewfactors = 60572
acuView-impi: Redo least-squares, pass = 11
acuView-impi: *** ASSERTION in Function <vfmLsquare> File <vfm.c> Line <1864>
acuView-impi: *** Exceeds max smoothing passes
Abort(1) on node 0 (rank 0 in comm 0): application called MPI_Abort(MPI_COMM_WORLD, 1) - process 0
acuRun: *** ERROR: error occurred executing acuView
acuRun: Wed Oct 19 08:07:44 2022

 

Higher in the log file I get the Warning message:

acuView-impi: *** WARNING: A potential hole in the enclosure; check the model

 

However, the triangles enclosing the fluid volume form a closed volume with no edges and consistently oriented inwards.

Does anyone have any idea what else could cause the error?

Thank you.

 

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Answers

  • acupro
    acupro
    Altair Employee
    edited October 2022

    The 'hole in the enclosure' indicates not all surfaces bounding the fluid volume have been assigned as Radiation Surfaces (wall/opening/symmetry) with appropriate emissivity model (surface finish).  If some bounding surfaces are missed, the radiation 'enclosure' has a hole.

    Maybe correct the enclosure first, then see if the assertion is fixed.

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