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How to create different concentric cylinders using topoSet

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Old   April 20, 2019, 14:32
Default How to create different concentric cylinders using topoSet
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bharadwaz
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Hello foamers
I had a small problem in solving chtMultiregionFoam
I need to solve concentric cylinders which should be created using topoSet
as far as in openFoam-6 we can create an only solid cylinder by prescribing
the starting point of axis
the ending point of axis
and the radius of a cylinder

But no option of a hollow cylinder

can anyone help me

Thanks in advance
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Old   April 23, 2019, 04:58
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Robert
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Why do you want a hollow cylinder? The closest you might get is: create two cylinders at the same position but with different diameters. Substract the smaller toposet from the larger. Voila! Annulus. But still no hollow cylinder.
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Old   May 1, 2019, 06:29
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{
name cathode; // name of the set
type cellSet;
action new; // creating a new set or add
source cylinderAnnulusToCell; // using a selection box
sourceInfo
{
p1 ( 0 0 0.03 ); // start point on cylinder axis
p2 ( 0 0 0.07 ); // end point on cylinder axis
outerRadius 0.009 ;
innerRadius 0.004 ;
}
}
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chtmultiregionfoam, mesh, openfoam, toposet

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