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[Other] Modification of multi region heater tutorial geometry |
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September 30, 2013, 02:48 |
Modification of multi region heater tutorial geometry
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#1 |
Senior Member
Mominul MuKuT
Join Date: Mar 2009
Location: Bangladesh
Posts: 124
Rep Power: 17 |
Hello foamers....in another subforum of openFoam, I have posted about my flow domain which is necessary to simulation flow induced by plasma actuator as bellow:
Some foamers suggested me to learn chtMultiRegionFoam tutorial....I have tried to modify a tutorial name "multiRegionFoam" as follows: The top image is the actual geometry of multiRegionFoam tutorials in which solid regions are: T shape like heater, left solid and right solid; remaining top and bottom air are fluid. I can easily modify the size of solid region without changing relative position and tutorial works fine. But when I tried to change relative positions of solid regions like bottom image, after running Allrun command in terminal....there is no output file at different timesteps. In paraFoam, new modified geometry is shown properly...... I have modified both topoSetDict and makeCellSets for for respective solid region geometry. What is the problem? Is there any other files in which I need to modify for required geometry???????? Thanks in advance.... Here is the modified topoSetDict Code:
/*--------------------------------*- C++ -*----------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: 2.2.1 | | \\ / A nd | Web: www.OpenFOAM.org | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ FoamFile { version 2.0; format ascii; class dictionary; object topoSetDict; } // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // actions ( // Heater { name heater; type cellSet; action new; source boxToCell; sourceInfo { box (-100 0 -100 )(0 0.00999 100); } } { name heater; type cellSet; action add; source boxToCell; sourceInfo { box (0 0 -100)(100 0.00999 100); } } { name heater; type cellZoneSet; action new; source setToCellZone; sourceInfo { set heater; // name of cellSet } } // leftSolid { name leftSolid; type cellSet; action new; source boxToCell; sourceInfo { box (-100 -0.00999 -100 )(-0.01001 0 100); } } { name leftSolid; type cellZoneSet; action new; source setToCellZone; sourceInfo { set leftSolid; } } // rightSolid { name rightSolid; type cellSet; action new; source boxToCell; sourceInfo { box (0.01001 -0.00999 -100 )(100 0 100); } } { name rightSolid; type cellZoneSet; action new; source setToCellZone; sourceInfo { set rightSolid; } } // topAir { name topAir; type cellSet; action new; source boxToCell; sourceInfo { box (-100 0.00999 -100 )(100 100 100); } } { name topAir; type cellZoneSet; action new; source setToCellZone; sourceInfo { set topAir; } } // bottomAir is all the other cells { name bottomAir; type cellZoneSet; action clear; } { name bottomAir; type cellSet; action add; source cellToCell; sourceInfo { set heater; } } { name bottomAir; type cellSet; action add; source cellToCell; sourceInfo { set leftSolid; } } { name bottomAir; type cellSet; action add; source cellToCell; sourceInfo { set rightSolid; } } { name bottomAir; type cellSet; action add; source cellToCell; sourceInfo { set topAir; } } { name bottomAir; type cellSet; action invert; } { name bottomAir; type cellZoneSet; action new; source setToCellZone; sourceInfo { set bottomAir; } } ); // ************************************************************************* // Last edited by wyldckat; October 13, 2013 at 07:18. Reason: Added [CODE][/CODE] |
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October 4, 2013, 12:25 |
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#2 |
Member
Jace
Join Date: Oct 2012
Posts: 77
Rep Power: 15 |
hey, off the top of my head, I have couple suggestions:
1. when you run Allrun command, it spits out some log files, open them and see where it stopped and what is it complaining about. 2. chtMultiRegionFoam requires a coupled boundary conditions (forgot what it's called, you can easily find it in the T file) between interfaces for heat transfer. When you change the relative layout of your geometry, you effectively changed the coupling between different regions/patches, so you need to go through the fields inside the initial time directory and correct for that if you haven't already. do these and see what happens =) good luck. Last edited by wyldckat; October 13, 2013 at 07:18. Reason: removed unecessary long quote |
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October 4, 2013, 20:59 |
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#3 | |
Senior Member
Mominul MuKuT
Join Date: Mar 2009
Location: Bangladesh
Posts: 124
Rep Power: 17 |
Quote:
Best regard Mukut |
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Tags |
mesh, meshing, multi region, openfoam 2.1.x, plasma actuator modeling |
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