structured quadrilateral mesh in PDE Toolbox
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Hello, I would like to ask if in the PDE Toolbox it is possible to generate a structured quadrilateral mesh instead of the triangular one? If so how can it be implemented in the code? My geometry is simply a rectangular of dimensions 3cm x 0.1mm and the mesh I would like to create is 0.5mm x 0.005mm. Here is a part of my code:
% Geometry description:
pderect([0 0.03 0.0001 0],'R1');
set(findobj(get(pde_fig,'Children'),'Tag','PDEEval'),'String','R1')
% Mesh generation:
setappdata(pde_fig,'Hgrad',1.3);
setappdata(pde_fig,'refinemethod','regular');
setappdata(pde_fig,'jiggle',char('on','mean',''));
setappdata(pde_fig,'MesherVersion','preR2013a');
pdetool('initmesh')
pdetool('refine')
Thank you very much in advance, N
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Bill Greene
2014 年 6 月 5 日
There is no support for quadrilateral elements in PDE Toolbox-- either in the meshers or the computational modules. However, if you have a rectangular geometry, you can generate a regular triangular mesh using the poimesh function. This option isn't available in the pdetool GUI so you would need to define your problem using the command line interface.
Bill
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