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problem "face 0 area does not match neighbour by xxx%" in parallel run |
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July 2, 2017, 13:10 |
problem "face 0 area does not match neighbour by xxx%" in parallel run
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Zheng Hongyu
Join Date: Jun 2017
Location: HangZhou,China
Posts: 1
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hello everyone!
I’m a beginner of OpenFOAM and I’m using OpenFOAM-extend-3.2. Recently i'am using the RBFmotionFunction to solver a case about flapping wing, It works perfectly when it runs in serial. And as we known, the RBFmotionfunction requires that every processor must contain a part of the moving patch, my computational domain is a circle so i use a manual decomposePar justlike a PizzaCut. and when it is divided into 4 parts, it can also work. but when the number of processors increases, the problem "face 0 area does not match neighbour by xxx%" occurs. And after reading all threads about this, i really still have no clue. Is there someone can help me? Thhhhhhhhhhanks a lot! the erro--> FOAM FATAL ERROR: [5] face 0 area does not match neighbour by 0.459052% -- possible face ordering problem. patch: procBoundary5to4 my area: 0.0498277 neighbour area: 0.0500569 matching tolerance: 1 Mesh face: 25492 vertices: 4((4.59424 -2.38153 0) (4.63943 -2.40253 0) (4.63943 -2.40253 1) (4.59424 -2.38153 1)) Rerun with processor debug flag set for more information. [5] [5] From function processorPolyPatch::calcGeometry() [5] in file meshes/polyMesh/polyPatches/constraint/processor/processorPolyPatch.C at line 217. [5] FOAM parallel run exiting [5] [4] [4] [4] --> FOAM FATAL ERROR: [4] face 0 area does not match neighbour by 1.02253% -- possible face ordering problem. patch: procBoundary4to3 my area: 0.0472923 neighbour area: 0.0468112 matching tolerance: 1 Mesh face: 29947 vertices: 4((3.45354 -3.30175 0) (3.48908 -3.33295 0) (3.48908 -3.33295 1) (3.45354 -3.30175 1)) Rerun with processor debug flag set for more information. [4] [4] From function processorPolyPatch::calcGeometry() [4] in file meshes/polyMesh/polyPatches/constraint/processor/processorPolyPatch.C at line 217. [4] FOAM parallel run exiting [4] [3] [3] [3] --> FOAM FATAL ERROR: [3] face 0 area does not match neighbour by 1.02253% -- possible face ordering problem. patch: procBoundary3to4 my area: 0.0468112 neighbour area: 0.0472923 matching tolerance: 1 Mesh face: 104962 vertices: 4((3.45217 -3.22837 0) (3.45217 -3.22837 1) (3.4877 -3.25885 1) (3.4877 -3.25885 0)) Rerun with processor debug flag set for more information. [3] [3] From function processorPolyPatch::calcGeometry() [3] in file meshes/polyMesh/polyPatches/constraint/processor/processorPolyPatch.C at line 217. [3] FOAM parallel run exiting [3] -------------------------------------------------------------------------- MPI_ABORT was invoked on rank 4 in communicator MPI_COMM_WORLD with errorcode 1. NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes. You may or may not see output from other processes, depending on exactly when Open MPI kills them. -------------------------------------------------------------------------- -------------------------------------------------------------------------- mpirun has exited due to process rank 4 with PID 8111 on node node29 exiting without calling "finalize". This may have caused other processes in the application to be terminated by signals sent by mpirun (as reported here). |
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