Structured Mesh in GMSH
Hi,
I've started to use GMSH yesterday, and I'm having problems trying to generate a structured grid. I'm following tutorial number 3, and I try to extrude the rectangle and the mesh as well, but I can't find the "Layers" option in the GUI. Can anybody help? Furthermore, how can I use GMSH command lines in windows? (sorry for the fundamental question) |
use DOS terminal under windows
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So, it's impossible to build a structured mesh using only the GUI?
Thank you for your reply. |
Here is the problem, I'm trying to generate a mesh for a pipe:
Point(1) = {0, 0, 0, 1e+022}; Point(2) = {3, 0, 0, 1e+022}; Point(3) = {-3, 0, 0, 1e+022}; Point(4) = {0, -3, 0, 1e+022}; Point(5) = {0, 3, 0, 1e+022}; Circle(1) = {5, 1, 2}; Circle(2) = {2, 1, 4}; Circle(3) = {4, 1, 3}; Circle(4) = {3, 1, 5}; Line Loop(6) = {1, 2, 3, 4}; Plane Surface(6) = {6}; Transfinite Line{1, 2, 3, 4} = 11 Using Progression 1; Extrude {0,0,20} { Surface{6}; Layers{50}; } Transfinite Surface{28,27,23,19,15,6}; Recombine Surface {28,27,23,19,15,6}; I generate 1D and 2D meshes succesfully, but when I click 3D the software crashes and shows: "Cannot extrude quadrangles without recombine" But I clearly recombined all the surfaces, so, what's wrong? Thank you. Regards, Vitor |
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