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checkMesh with two regions using HELYX-OS and pimpleDyMFoam |
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October 25, 2016, 04:08 |
checkMesh with two regions using HELYX-OS and pimpleDyMFoam
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#1 |
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Join Date: Apr 2011
Posts: 56
Rep Power: 15 |
Hi folks,
it has been a while since I've posted in the forum. I'm trying to simulate a mixer tank using pimpleDyMFoam and I've seen most of the tutorials and posts here in the forum. So I created my mesh in HELYX-OS using 3 stl files (reactor, baffle and impeller) and an additional cylinder for the rotating area around the impeller for the AMI interface. So my workflow was: 1) create the background blockMesh in HELYX-OS 2) defined the geometry by importing the STL files taking notice of m vs mm question 3) defined the refinement in the surfaces and the cellzone for AMI as a boundary type 4) created the mesh Here is wheere I have some doubts: 1) how many cellzones do I need to define? one for the moving part (rotor) and another for the stator? 2) I'm getting the "two regions" output from the checkMesh HTML Code:
******************** * Check Mesh * ******************** Case : /home/hovione/OpenFOAM/hovione-2.4.0/run/AIChE2016/poc_R190/AMI/AIChE_2 Procs : -1 Log : /home/hovione/OpenFOAM/hovione-2.4.0/run/AIChE2016/poc_R190/AMI/AIChE_2/log/checkMesh.log Env : /home/hovione/OpenFOAM/OpenFOAM-2.4.0/etc/bashrc Vendor : /home/hovione/OpenFOAM Paraview : MachineFile : Solver : pimpleFoam /*---------------------------------------------------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: 2.4.0 | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ Build : 2.4.0-dcea1e13ff76 Exec : checkMesh -case /home/hovione/OpenFOAM/hovione-2.4.0/run/AIChE2016/poc_R190/AMI/AIChE_2 Date : Oct 25 2016 Time : 09:05:19 Host : "linux-g3o0.site" PID : 4533 Case : /home/hovione/OpenFOAM/hovione-2.4.0/run/AIChE2016/poc_R190/AMI/AIChE_2 nProcs : 1 sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE). fileModificationChecking : Monitoring run-time modified files using timeStampMaster allowSystemOperations : Allowing user-supplied system call operations // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // Create time Create polyMesh for time = 0 Time = 0 Mesh stats points: 126652 faces: 303702 internal faces: 266178 cells: 89184 faces per cell: 6.389935414 boundary patches: 10 point zones: 0 face zones: 1 cell zones: 1 Overall number of cells of each type: hexahedra: 61136 prisms: 10663 wedges: 0 pyramids: 0 tet wedges: 79 tetrahedra: 0 polyhedra: 17306 Breakdown of polyhedra by number of faces: faces number of cells 4 1241 5 957 6 4092 7 12 8 8 9 6434 12 3846 15 654 18 62 Checking topology... Boundary definition OK. Cell to face addressing OK. Point usage OK. Upper triangular ordering OK. Face vertices OK. *Number of regions: 2 The mesh has multiple regions which are not connected by any face. <<Writing region information to "0/cellToRegion" <<Writing region 0 with 57984 cells to cellSet region0 <<Writing region 1 with 31200 cells to cellSet region1 Checking patch topology for multiply connected surfaces... Patch Faces Points Surface topology ffminx 0 0 ok (empty) ffmaxx 0 0 ok (empty) ffminy 0 0 ok (empty) ffmaxy 0 0 ok (empty) ffminz 0 0 ok (empty) ffmaxz 844 1040 ok (non-closed singly connected) Reactor 17185 18281 ok (non-closed singly connected) Agitator 7247 7595 ok (non-closed singly connected) AMI 5938 6031 ok (non-closed singly connected) AMI_slave 6310 6401 ok (non-closed singly connected) Checking geometry... Overall domain bounding box (6.393430229e-05 0.001866637429 9.999999717e-10) (1.795940031 1.798140659 2) Mesh (non-empty, non-wedge) directions (1 1 1) Mesh (non-empty) directions (1 1 1) Boundary openness (-4.840269461e-17 -3.975040531e-17 3.313722939e-16) OK. Max cell openness = 3.766544567e-16 OK. Max aspect ratio = 11.27845022 OK. Minimum face area = 5.594777722e-06. Maximum face area = 0.01202032546. Face area magnitudes OK. Min volume = 1.611536845e-07. Max volume = 0.001175917955. Total volume = 4.656677265. Cell volumes OK. Mesh non-orthogonality Max: 57.88898134 average: 14.58797732 Non-orthogonality check OK. Face pyramids OK. Max skewness = 3.402232717 OK. Coupled point location match (average 0) OK. Mesh OK. End Best Regards, RC |
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October 25, 2016, 06:18 |
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#2 |
Member
Join Date: Apr 2011
Posts: 56
Rep Power: 15 |
Dare to bump!
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Tags |
helyxos, pimpledymfoam dynamic, rotor, stator |
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