I've defined a volume by extruding a rectangular transfinite surface
(example provided below) and now I'm looking for a way to control how
that volume is refined. Until now I was able to set the number of
subdivisions in the extrusion's direction by specifying the number of
layers, but I haven't found a way to refine surfaces or even how to
subdivide individual line segments used to define a surface.
So, my questions are: is there a better way to set how a extruded volume
is subdivided in the extrusion's direction? And does Gmsh provide a way
to subdivide surfaces or even individual lines used to define surfaces?
If so, can anyone provide an example?
Thanks in advance,
Rui Maciel
x = 1.00;
y = 1.00;
h = 0.10;
div = 1;
Point(1) = { -x/2, -y/2, -h/2, 1e+22};
Point(2) = { x/2, -y/2, -h/2, 1e+22};
Point(3) = { x/2, y/2, -h/2, 1e+22};
Point(4) = { -x/2, y/2, -h/2, 1e+22};
Line(1) = {1, 2};
Line(2) = {2, 3};
Line(3) = {3, 4};
Line(4) = {4, 1};
Line Loop(6) = {1, 2, 3, 4};
Plane Surface(6) = {6};
Transfinite Line{1:4} = div;
Transfinite Surface{6} = {1, 2, 3, 4};
Recombine Surface{6};
Extrude {0, 0, h} {
Surface{6}; Layers{ 2*div}; Recombine;
}
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