[andycong]

This is a 2D centeralpump model.
When simulate it in Fluent, I set with two fluid zones, one is stationary and the other is rotating(reference).
But when I import the mesh to OpenFOAM,
errors appears as following:
/*---------------------------------------------------------------------------*\
| ========= | |
| \ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \ / O peration | Version: 1.2 |
| \ / A nd | Web: http://www.openfoam.org |
| \/ M anipulation | |
\*---------------------------------------------------------------------------*/

Exec : fluentMeshToFoam /home/andycong/OpenFOAM/andycong-1.2/run/tutorials/simpleFoam 2Dcenteralpump /home/andycong/2Dcenteralpump/pump_mesh.msh
Date : Mar 02 2006
Time : 09:09:01
Host : linux
PID : 10727
Root : /home/andycong/OpenFOAM/andycong-1.2/run/tutorials/simpleFoam
Case : 2Dcenteralpump
Nprocs : 1
Create time

Dimension of grid: 2
Number of points: 2567
Reading points
number of faces: 7263
Reading mixed faces
Reading mixed faces
Reading mixed faces
Reading mixed faces
Reading mixed faces
Reading mixed faces
Number of cells: 4690
Reading uniform cells
Reading uniform cells
Reading zone data
Reading zone data
Reading zone data
Reading zone data
Reading zone data
Reading zone data
Reading zone data
Reading zone data


FINISHED LEXING


dimension of grid: 2
Grid is 2-D. Extruding in z-direction by: 14.4162
Creating shapes for 2-D cells
Creating patch for zone: 4 start: 1 end: 173 type: wall name: wall_3
Creating patch for zone: 5 start: 174 end: 263 type: wall name: wall_2
Creating patch for zone: 6 start: 264 end: 479 type: wall name: wall_1
Creating patch for zone: 7 start: 480 end: 498 type: outflow name: outlet
Creating patch for zone: 8 start: 499 end: 546 type: velocity-inlet name: inlet
Creating patch for zone: 10 start: 547 end: 7263 type: interior name: default-interior
Patch 10 contains solid or internal faces. Not added to boundary
Not adding to internal boundaries
Creating patch for front and back planes

Default patch type set to empty


--> FOAM FATAL ERROR : Trying to specify a boundary face 4(0 1 2568 2567) on the face on cell 399 which is either an internal face or already belongs to some other patch. This is face 0 of patch 1 named wall_2.

From function polyMesh::polyMesh
(
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/createPolyMesh.C at line 375.

FOAM aborting

Aborted


Could anyone tell my what's the matter?