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ENH: region-wise decomposition specification for decomposeParDict
Within decomposeParDict, it is now possible to specify a different decomposition method, methods coefficients or number of subdomains for each region individually. The top-level numberOfSubdomains remains mandatory, since this specifies the number of domains for the entire simulation. The individual regions may use the same number or fewer domains. Any optional method coefficients can be specified in a general "coeffs" entry or a method-specific one, eg "metisCoeffs". For multiLevel, only the method-specific "multiLevelCoeffs" dictionary is used, and is also mandatory. ---- ENH: shortcut specification for multiLevel. In addition to the longer dictionary form, it is also possible to use a shorter notation for multiLevel decomposition when the same decomposition method applies to each level.
This commit is contained in:
Mark Olesen
26
tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/Allmesh
Executable file
26
tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/Allmesh
Executable file
@ -0,0 +1,26 @@
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#!/bin/sh
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cd ${0%/*} || exit 1 # Run from this directory
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. $WM_PROJECT_DIR/bin/tools/RunFunctions # Tutorial run functions
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runApplication blockMesh
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runApplication topoSet
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runApplication splitMeshRegions -cellZones -overwrite
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# Remove fluid fields from solid regions (important for post-processing)
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for i in heater leftSolid rightSolid
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do
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rm -f 0*/$i/{nut,alphat,epsilon,k,U,p_rgh}
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done
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for i in bottomWater topAir heater leftSolid rightSolid
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do
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runApplication -s $i changeDictionary -region $i
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done
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echo
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echo "Creating files for paraview post-processing"
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echo
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paraFoam -touchAll
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#------------------------------------------------------------------------------
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@ -2,22 +2,7 @@
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cd ${0%/*} || exit 1 # Run from this directory
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. $WM_PROJECT_DIR/bin/tools/RunFunctions # Tutorial run functions
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runApplication blockMesh
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runApplication topoSet
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runApplication splitMeshRegions -cellZones -overwrite
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# remove fluid fields from solid regions (important for post-processing)
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for i in heater leftSolid rightSolid
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do
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rm -f 0*/$i/{nut,alphat,epsilon,k,U,p_rgh}
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done
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for i in bottomWater topAir heater leftSolid rightSolid
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do
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runApplication -s $i changeDictionary -region $i
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done
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runApplication ./Allmesh
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#-- Run on single processor
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#runApplication $(getApplication)
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@ -31,10 +16,4 @@ runParallel $(getApplication)
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# Reconstruct
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runApplication reconstructPar -allRegions
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echo
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echo "creating files for paraview post-processing"
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echo
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paraFoam -touchAll
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#------------------------------------------------------------------------------
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@ -1,2 +1,6 @@
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The 0/ field files contain nonsense patchFields. All interesting
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work is done using the changeDictionaryDicts.
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- The 0/ field files contain nonsense patchFields.
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All interesting work is done using the changeDictionaryDicts.
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- The uses region-specific decomposition for the heater.
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This can be useful when the solid region is relatively small and a
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normal decomposition would result in very few cells per process.
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@ -1,72 +0,0 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: plus |
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| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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note "mesh decomposition control dictionary";
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location "system";
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object decomposeParDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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numberOfSubdomains 4;
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//- Keep owner and neighbour on same processor for faces in zones:
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// preserveFaceZones (heater solid1 solid3);
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method scotch;
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// method hierarchical;
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// method simple;
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// method manual;
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simpleCoeffs
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{
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n (2 2 1);
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delta 0.001;
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}
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hierarchicalCoeffs
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{
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n (2 2 1);
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delta 0.001;
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order xyz;
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}
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scotchCoeffs
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{
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//processorWeights
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//(
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// 1
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// 1
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// 1
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// 1
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//);
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//writeGraph true;
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//strategy "b";
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}
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manualCoeffs
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{
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dataFile "decompositionData";
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}
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//// Is the case distributed
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//distributed yes;
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//// Per slave (so nProcs-1 entries) the directory above the case.
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//roots
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//(
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// "/tmp"
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// "/tmp"
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//);
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// ************************************************************************* //
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@ -0,0 +1 @@
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../decomposeParDict
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@ -10,11 +10,8 @@ FoamFile
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version 2.0;
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format ascii;
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class dictionary;
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note "mesh decomposition control dictionary";
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location "system";
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object decomposeParDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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numberOfSubdomains 4;
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@ -23,38 +20,29 @@ numberOfSubdomains 4;
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// preserveFaceZones (heater solid1 solid3);
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method scotch;
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// method hierarchical;
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// method simple;
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// method manual;
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simpleCoeffs
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regions
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{
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n (2 2 1);
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delta 0.001;
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heater
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{
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numberOfSubdomains 1;
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method none;
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coeffs
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{
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n (1 1 1);
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delta 0.001;
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}
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}
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}
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hierarchicalCoeffs
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coeffs
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{
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n (2 2 1);
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delta 0.001;
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order xyz;
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n (2 2 1);
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}
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manualCoeffs
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{
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dataFile "decompositionData";
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}
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//// Is the case distributed
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//distributed yes;
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//// Per slave (so nProcs-1 entries) the directory above the case.
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//roots
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//(
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// "/tmp"
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// "/tmp"
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//);
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// ************************************************************************* //
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@ -1,44 +0,0 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: plus |
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| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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location "system";
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object decomposeParDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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numberOfSubdomains 4;
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method scotch;
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simpleCoeffs
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{
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n (2 2 1);
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delta 0.001;
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}
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hierarchicalCoeffs
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{
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n (2 2 1);
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delta 0.001;
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order xyz;
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}
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scotchCoeffs
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{
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}
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manualCoeffs
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{
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dataFile "decompositionData";
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}
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// ************************************************************************* //
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@ -0,0 +1 @@
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../decomposeParDict
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@ -1,44 +0,0 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: plus |
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| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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location "system";
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object decomposeParDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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numberOfSubdomains 4;
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method scotch;
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simpleCoeffs
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{
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n (2 2 1);
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delta 0.001;
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}
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hierarchicalCoeffs
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{
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n (2 2 1);
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delta 0.001;
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order xyz;
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}
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scotchCoeffs
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{
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}
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manualCoeffs
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{
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dataFile "decompositionData";
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}
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// ************************************************************************* //
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@ -0,0 +1 @@
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../decomposeParDict
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@ -1,44 +0,0 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: plus |
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| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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location "system";
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object decomposeParDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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numberOfSubdomains 4;
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method scotch;
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simpleCoeffs
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{
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n (2 2 1);
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delta 0.001;
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}
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hierarchicalCoeffs
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{
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n (2 2 1);
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delta 0.001;
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order xyz;
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}
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scotchCoeffs
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{
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}
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manualCoeffs
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{
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dataFile "decompositionData";
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}
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// ************************************************************************* //
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@ -0,0 +1 @@
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../decomposeParDict
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@ -1,72 +0,0 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: plus |
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||||
| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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note "mesh decomposition control dictionary";
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location "system";
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object decomposeParDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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numberOfSubdomains 4;
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//- Keep owner and neighbour on same processor for faces in zones:
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// preserveFaceZones (heater solid1 solid3);
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method scotch;
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// method hierarchical;
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// method simple;
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// method manual;
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simpleCoeffs
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{
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n (2 2 1);
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delta 0.001;
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}
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hierarchicalCoeffs
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{
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n (2 2 1);
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delta 0.001;
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order xyz;
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}
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scotchCoeffs
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{
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//processorWeights
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//(
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// 1
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// 1
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// 1
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// 1
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//);
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//writeGraph true;
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//strategy "b";
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}
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manualCoeffs
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{
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dataFile "decompositionData";
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}
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//// Is the case distributed
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//distributed yes;
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//// Per slave (so nProcs-1 entries) the directory above the case.
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//roots
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//(
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// "/tmp"
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||||
// "/tmp"
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//);
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||||
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// ************************************************************************* //
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@ -0,0 +1 @@
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../decomposeParDict
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