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IDProjectCategoryView StatusDate SubmittedLast Update
0000241OpenFOAMBugpublic2011-07-08 09:572011-07-18 15:33
Reporterdhora Assigned Touser4 
PrioritynormalSeverityminorReproducibilityalways
Status resolvedResolutionfixed 
PlatformLinuxOSOtherOS Version(please specify)
Summary0000241: scotch decomposition does not work with preservePatches
Description
/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.0.x |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
Build : 2.0.x-93746106716d
Exec : decomposePar
Date : Jul 08 2011
Time : 10:49:53
Host : x470172
PID : 20251
Case : /c/home/dh/OpenFOAM/dh-2.0.x/run/tutorials/incompressible/SRFSimpleFoam/mixer
nProcs : 1
sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).
fileModificationChecking : Monitoring run-time modified files using timeStampMaster
allowSystemOperations : Disallowing user-supplied system call operations

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time

Time = 0
Create mesh

Calculating distribution of cells
Keeping owner of faces in patches
2
(
cyclic_half0
cyclic_half1
)
 on same processor. This only makes sense for cyclics.
Selecting decompositionMethod scotch
Selected 3200 faces whose owner and neighbour cell should be kept on the same processor
ERROR: graphCheck: arc data do not match

Steps To ReproduceScotch dcomposition of SRFSimpleFoam/mixer tutorial (4 subdomains)
TagsNo tags attached.

Activities

user222

2011-07-11 09:50

  ~0000536

I have a similar problem with decomposePar with scotch, the error message:
Selecting decompositionMethod scotch
: ERROR: graphCheck: duplicate arc

with the 1.7.x version however

some details on the mesh:
My mesh is a polyhedra mesh originally created as tetra in Icem and then converted to polyhedra with Fluent, then converted to OpenFOAM with fluent3DMeshToFoam. The geometry is a city with house blocks. The simulation runs ok without decomposition, chechMesh also ends with Mesh OK. Decomposition with the single method also works fine. When decomposing the original tetra mesh, scotch works fine, even though there checkMesh fails.

user4

2011-07-11 10:06

  ~0000537

The 'duplicate arc' problem should be fixed in 2.0 - it originates from having multiple faces between two cells.

I can repeat the 'preservePatches' problem and will look into it.

user222

2011-07-11 11:16

  ~0000539

Thanks for the answer, I tried with 2.0 debian version, this time I get a different error message:
: ERROR: graphCheck: invalid number of edges

With the original tetra it again works fine.

user4

2011-07-18 15:33

  ~0000560

Fixed in 78ea1b50966eb0d38fb7adabdc0caa0e27826693.

Issue History

Date Modified Username Field Change
2011-07-08 09:57 dhora New Issue
2011-07-11 09:50 user222 Note Added: 0000536
2011-07-11 10:06 user4 Note Added: 0000537
2011-07-11 11:16 user222 Note Added: 0000539
2011-07-18 15:33 user4 Note Added: 0000560
2011-07-18 15:33 user4 Status new => resolved
2011-07-18 15:33 user4 Fixed in Version => 2.0.x
2011-07-18 15:33 user4 Resolution open => fixed
2011-07-18 15:33 user4 Assigned To => user4