Previous: File blockMeshDict Up: Creating computational mesh using Next: Viewing the mesh
This is an automatically generated documentation by LaTeX2HTML utility. In case of any issue, please, contact us at info@cfdsupport.com.
Running blockMesh
- Run blockMesh command in test case directory:
# cd $FOAM_RUN /pitzDaily
# blockMesh - Writes on the screen:
/*---------------------------------------------------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: dev | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ Build : dev-e2ccbbbb Exec : blockMesh Date : Jun 16 2017 Time : 12:00:00 Host : $HOSTNAME PID : $$ Case : $FOAM_RUN/pitzDaily nProcs : 1 sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). fileModificationChecking : Monitoring run-time modified files using timeStampMaster (fileModificationSkew 10) allowSystemOperations : Allowing user-supplied system call operations // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Creating block mesh from "$FOAM_RUN/pitzDaily/system/blockMeshDict" Creating block edges No non-planar block faces defined Creating topology blocks Creating topology patches Creating block mesh topology Check topology Basic statistics Number of internal faces : 5 Number of boundary faces : 20 Number of defined boundary faces : 20 Number of undefined boundary faces : 0 Checking patch -> block consistency Creating block offsets Creating merge list . Creating polyMesh from blockMesh Creating patches Creating cells Creating points with scale 0.001 Block 0 cell size : i : 0.00158284 .. 0.000791418 j : 0.000318841 .. 0.000420268 k : 0.001 .. 0.001 Block 1 cell size : i : 0.000528387 .. 0.00211355 j : 0.00112889 .. 0.000360188 k : 0.001 .. 0.001 Block 2 cell size : i : 0.000528387 .. 0.00211355 j : 0.000318841 .. 0.000420268 k : 0.001 .. 0.001 Block 3 cell size : i : 0.0020578 .. 0.00514451 j : 0.000940741 .. 0.000940741 k : 0.001 .. 0.001 Block 4 cell size : i : 0.0020466 .. 0.00511651 j : 0.00112889 .. 0.000257962 k : 0.001 .. 0.001 There are no merge patch pairs edges Writing polyMesh ---------------- Mesh Information ---------------- boundingBox: (-0.0206 -0.0254 -0.0005) (0.29 0.0254 0.0005) nPoints: 25012 nCells: 12225 nFaces: 49180 nInternalFaces: 24170 ---------------- Patches ---------------- patch 0 (start: 24170 size: 30) name: inlet patch 1 (start: 24200 size: 57) name: outlet patch 2 (start: 24257 size: 223) name: upperWall patch 3 (start: 24480 size: 250) name: lowerWall patch 4 (start: 24730 size: 24450) name: frontAndBack End - Command checkMesh checks the mesh and writes mesh information:
# checkMesh - Screen output:
/*---------------------------------------------------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: dev | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ Build : dev-e2ccbbbb Exec : checkMesh Date : Jun 16 2017 Time : 12:00:00 Host : $HOSTNAME PID : $$ Case : $FOAM_RUN/pitzDaily nProcs : 1 sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). fileModificationChecking : Monitoring run-time modified files using timeStampMaster (fileModificationSkew 10) allowSystemOperations : Allowing user-supplied system call operations // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Create polyMesh for time = 0 Time = 0 Mesh stats points: 25012 internal points: 0 faces: 49180 internal faces: 24170 cells: 12225 faces per cell: 6 boundary patches: 5 point zones: 0 face zones: 0 cell zones: 0 Overall number of cells of each type: hexahedra: 12225 prisms: 0 wedges: 0 pyramids: 0 tet wedges: 0 tetrahedra: 0 polyhedra: 0 Checking topology... Boundary definition OK. 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 inlet 30 62 ok (non-closed singly connected) outlet 57 116 ok (non-closed singly connected) upperWall 223 448 ok (non-closed singly connected) lowerWall 250 502 ok (non-closed singly connected) frontAndBack 24450 25012 ok (non-closed singly connected) Checking geometry... Overall domain bounding box (-0.0206 -0.0254 -0.0005) (0.29 0.0254 0.0005) Mesh has 2 geometric (non-empty/wedge) directions (1 1 0) Mesh has 2 solution (non-empty) directions (1 1 0) All edges aligned with or perpendicular to non-empty directions. Boundary openness (-1.74458e-19 3.10465e-18 2.11178e-15) OK. Max cell openness = 2.21044e-16 OK. Max aspect ratio = 8.1407 OK. Minimum face area = 1.68589e-07. Maximum face area = 5.14451e-06. Face area magnitudes OK. Min volume = 1.6902e-10. Max volume = 3.83579e-09. Total volume = 1.4516e-05. Cell volumes OK. Mesh non-orthogonality Max: 5.95045 average: 1.63034 Non-orthogonality check OK. Face pyramids OK. Max skewness = 0.260575 OK. Coupled point location match (average 0) OK. Mesh OK. End