A novel meshless analysis procedure for three-dimensional structural problems with complicated geometry

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作者：
机构：
[1] Chen, Wen-Hwa
[2] Lee, Ming-Hsiao
来源：
Chen, W.-H. | 1600年 / Tech Science Press卷 / 93期
关键词：
Complicated geometry - Geometry technique - Integration points - Integration scheme - Mesh-less methods - Spatial integrations - Structural problems - Three-dimensional structure;
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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. Copyright © 2013 Tech Science Press.
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