Quadrangle segmentation method applied to finite element analysis
A quadrilateral, finite element technique used in computer-aided design and engineering applications
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[0066] The present invention will be further described below in conjunction with accompanying drawing.
[0067] The quadrilateral segmentation method applied to finite element analysis, the specific steps are as follows:
[0068] Step 1, such as figure 1 As shown, import the geometry model into the finite element analysis software, cut the geometry with a through hole, and the cross section obtained after cutting the geometry is a polygon with inner and outer boundaries, or a polygon Fitted plane graphics.
[0069] Step 2, such as figure 2 As shown, the multi-connected domain is transformed into a single-connected domain;
[0070] The multi-connected domain described in the present invention is only applicable to one inner boundary.
[0071] Let the set of all vertices on the inner boundary of the resulting plane figure be the point set V 1 , the set of all vertices on the outer boundary is the point set V 2 . at point set V 1 and V 2 find point v in a , u b The di...
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