|
[Sponsors] |
March 2, 2015, 07:12 |
Face define with 3 points, hex.
|
#1 |
Member
|
Hello everyone.
I am trying to define a wall with 3 points. With blockMesh I used for every block hex like this: hex (0 0 1 2 3 3 4 5) (5 5 5) simpleGradient (1 1 1) And then I defined the wall like this : (0 2 1 0) The problem I get is with the checkMesh. It shows several errors : Code:
/*---------------------------------------------------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: 2.3.0 | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ Build : 2.3.0-f5222ca19ce6 Exec : checkMesh Date : Mar 02 2015 Time : 14:09:29 Host : "raitis-VirtualBox" PID : 8752 Case : /home/raitis/OpenFOAM/raitis-2.3.0/run/tutorials/incompressible/taskOne 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 Create polyMesh for time = 0 Time = 0 Mesh stats points: 8025 faces: 20950 internal faces: 18000 cells: 6500 faces per cell: 5.99231 boundary patches: 5 point zones: 0 face zones: 0 cell zones: 0 Overall number of cells of each type: hexahedra: 6450 prisms: 50 wedges: 0 pyramids: 0 tet wedges: 0 tetrahedra: 0 polyhedra: 0 Checking topology... Boundary definition OK. ***Total number of faces on empty patches is not divisible by the number of cells in the mesh. Hence this mesh is not 1D or 2D. Cell to face addressing OK. Point usage OK. Upper triangular ordering OK. Face vertices OK. Number of regions: 1 (OK). Checking patch topology for multiply connected surfaces... Patch Faces Points Surface topology fixedWalls 450 507 ok (non-closed singly connected) roof 0 0 ok (empty) inlet 0 0 ok (empty) outlet 0 0 ok (empty) defaultFaces 2500 2553 ok (non-closed singly connected) Checking geometry... Overall domain bounding box (0 0 -2.36813) (5.62 0.8 1.51) Mesh (non-empty, non-wedge) directions (0 0 0) Mesh (non-empty) directions (0 0 0) ***Number of edges not aligned with or perpendicular to non-empty directions: 1375 <<Writing 1441 points on non-aligned edges to set nonAlignedEdges ***Boundary openness (0.0249084 -8.46057e-17 -1.07283e-17) possible hole in boundary description. ***Open cells found, max cell openness: 1, number of open cells 100 <<Writing 100 non closed cells to set nonClosedCells Minimum face area = 0.00032. Maximum face area = 0.215973. Face area magnitudes OK. ***Zero or negative cell volume detected. Minimum negative volume: -0.0050624, Number of negative volume cells: 3500 <<Writing 3500 zero volume cells to set zeroVolumeCells Mesh non-orthogonality Max: 180 average: 93.8989 ***Number of non-orthogonality errors: 9625. <<Writing 9625 non-orthogonal faces to set nonOrthoFaces ***Error in face pyramids: 20850 faces are incorrectly oriented. <<Writing 11225 faces with incorrect orientation to set wrongOrientedFaces Max skewness = 3.0427 OK. Coupled point location match (average 0) OK. Failed 6 mesh checks. End Cheers Raitis |
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
This mesh contains patches of type empty but is not 1D or 2D | oric | OpenFOAM Running, Solving & CFD | 36 | November 28, 2016 07:12 |
error messages about blockmeshing and solving | cramsdead | OpenFOAM Pre-Processing | 2 | November 11, 2014 10:53 |
[blockMesh] blockMesh how to set internal face ? | seav | OpenFOAM Meshing & Mesh Conversion | 2 | May 8, 2014 16:10 |
[blockMesh] apparently the mesh doesn't want to be created in one direction | Maxime Thomas | OpenFOAM Meshing & Mesh Conversion | 1 | August 18, 2012 06:05 |
channelFoam for a 3D pipe | AlmostSurelyRob | OpenFOAM | 3 | June 24, 2011 13:06 |