A Novel Mesh less Analysis Procedure for Three-dimensional Structural Problems with Complicated Geometry

被引：0
|
作者：
Chen, Wen-Hwa [1 ]
Lee, Ming-Hsiao [2 ]
机构：
[1] Natl Tsing Hua Univ, Dept Power Mech Engn, Hsinchu, Taiwan
[2] Natl Ctr High Performance Comp, NARL, Hsinchu, Taiwan
来源：
CMES-COMPUTER MODELING IN ENGINEERING & SCIENCES | 2013年 / 93卷 / 02期
关键词：
Mesh less method; complicated geometry; STL (Stereo-lithography) geometry; Integration scheme; FREE GALERKIN METHOD;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel meshless analysis procedure is established for practical implementation in dealing with three-dimensional structures with complicated geometry. By this procedure, to describe the surface of structure, the Stereo-lithography (STL) geometry technique is first adopted. Nodes are then generated and paved uniformly in the space over the entire structure analyzed. To decide the node distribution inside the structure, a geometry-related treatment scheme with relevant checking mechanisms is developed. Besides, a simple and direct spatial integration scheme is also proposed. By this integration scheme, integration points are evenly distributed in the structure and can be adjusted easily to meet the required solution accuracy. Two three-dimensional structural problems with irregular-shaped geometry are solved to demonstrate the advantages and high efficiency of the present novel meshless analysis procedure.
引用
收藏
页码：149 / 166
页数：18
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