Hello,
I would like to ask if anyone has an idea how (if at all) to join
two cylindrical surfaces in gmsh. I have an 'msh' file after
conversion from CAD data. The file contains 2 pipes which have the
same axis but slightly different diameters, one following after the
other. There's a small gap between the end of the first pipe and the
beginning of the second pipe that I'd like to cover with a surface
mesh, thus joining the two pipes.
I have a circle (elementary entity number 1), which is the 'outlet
ring' of the first pipe and another circle (elementary entity # 2) -
'inlet ring' of the second pipe. Moreover, there's a line number 3
joining one point of the first circle with another point on the second
circle. These three lines form sort of a 'conical outline' - I have 2
bases with slightly different radiuses and one surface line connecting
them. I thought I could write this in my geo file (after merging the
mesh with the two pipes):
l1 = newreg;
Line Loop(l1) = {1,2,3};
Ruled Surface(newreg) = {l1};
Unfortunately, gmsh meshes only the surface defined by circle 1,
instead of meshing the conical surface that I tried to define.
Could you please tell if what I'm trying to do is feasible? If so, do
you have an idea how to do it?
Best regards,
Martin Vymazal
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