An automatic mesh generation scheme is proposed, it suites to the 3-d structure with multi-surface, in the same time the 3-d model is constructed.
本文提出了一种适合多分界面三维结构的有限网格自动划分方法，在网格划分的同时建立起三维模型。
Aimed at the problem that original model data obtained by 3-d scanner are huge and can not be used in real application, a mesh simplify method based on triangle collapse is proposed.
针对三维扫描仪所获取的模型数据量庞大，无法直接使用扫描仪的问题，为压缩模型数据量，提出了一种基于三角形折叠网格模型化简方法。
Temperature and stress distribution of multi-pass welded T-joint was simulated using ABAQUS codes. 3-d solid elements were used to mesh the model.
应用abaqus软件，对多道焊T形接头的温度场和应力场进行了数值模拟。
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