[mmmn036]

Hello,

I would like create a specific zone inside my domain (3D).

Can Anyone say how I can create a region inside the domain?

Thanks
MMMN

[nimasam]

well, you should use topoSet dic, you can find following examples in tutorials:

./lagrangian/reactingParcelFilmFoam/splashPanel/system/wallFilmRegion.topoSet
./lagrangian/reactingParcelFilmFoam/splashPanel/system/wallFilmRegion/createWallFilmRegionPatches.topoSet
./lagrangian/reactingParcelFilmFoam/hotBoxes/system/topoSetDict
./lagrangian/reactingParcelFilmFoam/cylinder/system/topoSetDict
./lagrangian/reactingParcelFilmFoam/rivuletPanel/system/wallFilmRegion.topoSet
./lagrangian/coalChemistryFoam/simplifiedSiwek/system/topoSetDict
./lagrangian/reactingParcelFoam/filter/system/topoSetDict
./mesh/foamyHexMesh/blob/system/topoSetDict
./mesh/foamyHexMesh/simpleShapes/system/topoSetDict
./mesh/foamyHexMesh/flange/system/topoSetDict-background
./mesh/foamyHexMesh/flange/system/topoSetDict-slices
./multiphase/MRFMultiphaseInterFoam/mixerVessel2D/system/topoSetDict
./multiphase/twoPhaseEulerFoam/laminar/mixerVessel2D/system/topoSetDict
./multiphase/LTSInterFoam/DTCHull/system/topoSetDict.6
./multiphase/LTSInterFoam/DTCHull/system/topoSetDict.3
./multiphase/LTSInterFoam/DTCHull/system/topoSetDict.2
./multiphase/LTSInterFoam/DTCHull/system/topoSetDict.4
./multiphase/LTSInterFoam/DTCHull/system/topoSetDict.5
./multiphase/LTSInterFoam/DTCHull/system/topoSetDict.1
./multiphase/interDyMFoam/ras/damBreakWithObstacle/system/topoSetDict
./multiphase/interDyMFoam/ras/DTCHull/system/topoSetDict.6
./multiphase/interDyMFoam/ras/DTCHull/system/topoSetDict.3
./multiphase/interDyMFoam/ras/DTCHull/system/topoSetDict.2
./multiphase/interDyMFoam/ras/DTCHull/system/topoSetDict.4
./multiphase/interDyMFoam/ras/DTCHull/system/topoSetDict.5
./multiphase/interDyMFoam/ras/DTCHull/system/topoSetDict.1
./multiphase/interDyMFoam/ras/floatingObject/system/topoSetDict
./multiphase/MRFInterFoam/mixerVessel2D/system/topoSetDict
./multiphase/interFoam/ras/damBreakPorousBaffle/system/topoSetDict
./multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.2
./multiphase/interFoam/les/nozzleFlow2D/system/topoSetDict.1
./multiphase/interPhaseChangeDyMFoam/propeller/system/createInletOutletSets.topoSetDict
./multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.3
./multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.2
./multiphase/cavitatingFoam/ras/throttle/system/topoSetDict.1
./multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.3
./multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.2
./multiphase/cavitatingFoam/les/throttle3D/system/topoSetDict.1
./multiphase/cavitatingFoam/les/throttle/system/topoSetDict.3
./multiphase/cavitatingFoam/les/throttle/system/topoSetDict.2
./multiphase/cavitatingFoam/les/throttle/system/topoSetDict.1
./multiphase/multiphaseEulerFoam/mixerVessel2D/system/topoSetDict
./multiphase/potentialFreeSurfaceFoam/oscillatingBox/system/topoSetDict
./combustion/PDRFoam/flamePropagationWithObstacles/system/topoSetDict
./combustion/fireFoam/les/flameSpreadWaterSuppressionPanel/system/topoSetDict
./combustion/fireFoam/les/flameSpreadWaterSuppressionPanel/system/filmRegion/topoSetDict
./combustion/fireFoam/les/smallPoolFire3D/system/topoSetDict
./combustion/fireFoam/les/oppositeBurningPanels/system/f.topoSetDict
./combustion/fireFoam/les/oppositeBurningPanels/system/fBurner.topoSetDict
./combustion/fireFoam/les/oppositeBurningPanels/system/cRefine.topoSetDict
./combustion/fireFoam/les/smallPoolFire2D/system/topoSetDict
./incompressible/pimpleDyMFoam/mixerVesselAMI2D/system/topoSetDict
./incompressible/pimpleDyMFoam/oscillatingInletACMI2D/system/topoSetDict
./incompressible/pimpleDyMFoam/propeller/system/createInletOutletSets.topoSetDict
./incompressible/simpleFoam/turbineSiting/system/topoSetDict
./incompressible/simpleFoam/pipeCyclic/system/topoSetDict
./incompressible/pimpleFoam/TJunctionFan/system/topoSetDict
./incompressible/pimpleFoam/elipsekkLOmega/system/topoSetDict
./heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/system/air/topoSetDict.2
./heatTransfer/chtMultiRegionSimpleFoam/heatExchanger/system/air/topoSetDict.1
./heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeaterRadiation/system/topoSetDict
./heatTransfer/chtMultiRegionFoam/multiRegionHeater/system/topoSetDict