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error with blockMesh: "internal face or already belongs to some other patch"

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Old   October 23, 2014, 08:26
Default error with blockMesh: "internal face or already belongs to some other patch"
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sajad
Join Date: Apr 2014
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I want to blockMesh but I face with this error.how can I debug the error.



sajad@sajad-pc:~/Desktop/hotRoom$ blockMesh
/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.5-dev |
| \\ / A nd | Revision: exported |
| \\/ M anipulation | Web: http://www.OpenFOAM.org |
\*---------------------------------------------------------------------------*/
Exec : blockMesh
Date : Oct 23 2014
Time : 15:54:06
Host : sajad-pc
PID : 5583
Case : /home/sajad/Desktop/hotRoom
nProcs : 1

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


Reading block mesh description dictionary

Creating block mesh

Creating blockCorners

Creating curved edges

Creating blocks

Creating patches

Creating block mesh topology

Default patch type set to empty


Trying to specify a boundary face 4(4 8 20 16) on the face on cell 2 which is either an internal face or already belongs to some other patch. This is face 0 of patch 2 named block4.

From function polyMesh:olyMesh
(
const IOobject& io,
const pointField& points,
const cellShapeList& cellsAsShapes,
const faceListList& boundaryFaces,
const wordList& boundaryPatchTypes,
const wordList& boundaryPatchNames,
const word& defaultBoundaryPatchType
)
in file meshes/polyMesh/polyMeshFromShapeMesh.C at line 488.

FOAM aborting

Aborted
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