Hi Rui,
The way I use it is the following
Extrude {
Surface{6}; Layers{{1,1,1},{0.5*h,0.75*h,h}}; Recombine;
}
Giving 3 layers of thickness 0.5h,0.75h and h in that example. The
extrusion direction is the surface normal
Regards
Julien
On 14 Jun 2011, at 14:51, Rui Maciel wrote:
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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Julien Hoessler
PhD Student
Department of Aeronautics
Imperial College London
Phone: +44 (0) 20759 45042
Mobile: +44 (0) 78343 80977
Email: [email protected]
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