Hi everyone,
I'm a new user, trying to set up a simple problem to start working with gmsh
feeding into ElmerFEM.
All I want to do is generate three cylinders that touch each other and the
apply positive voltage to
one face at one end and negative voltage at the opposite face on the other end
to show that I can
build something simple and see that the potential in a stat current model is
working. The problem
is that, for some reason, the three cylinders do not seem to be connecting to
each other. When I
run the model, each of the three cylinders keeps its own potential there is no
gradient in potential
across the cylinders when I adjust the conductivity to low values. It seems the
surfaces of the three
cylinders do not connect electrically. I've turned on the 'sew faces' option,
but still no luck.
Can anyone give me any ideas?
Thanks,
Tony
//+
SetFactory("OpenCASCADE");
Cylinder(1) = {-50, -7.5, 0, 100, 0, 0, 7.5, 2*Pi};
Cylinder(2) = {-51, -7.5, 0, 1, 0, 0, 0.25, 2*Pi};
Cylinder(3) = {50, -7.5, 0, 1, 0, 0, 0.25, 2*Pi};
lcar1 = .1;
lcar2 = 1.0;
Characteristic Length{ PointsOf{ Volume{2:3}; } } = lcar1;
Characteristic Length{ PointsOf{ Volume{1}; } } = lcar2;
//+
Show "*";
Tony Ozzello
Technologist
Liquid Filtration Division
T +1 512 244 5205 M +1 518 944 3519
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