| UG二次开发实现任意复杂平面域有限元网格划分 |
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| 引用本文： | 谢世坤,黄菊花,杨国泰,黄端伟,程从山.UG二次开发实现任意复杂平面域有限元网格划分[J].锻压技术,2004,29(6):62-66. |
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| 作者姓名： | 谢世坤 黄菊花 杨国泰 黄端伟 程从山 |
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| 作者单位： | 1. 南昌大学机电工程学院,330029
2. 北京科技大学机械工程学院,100083 |
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| 基金项目： | 江西省主要学科跨世纪学术和技术带头人培养计划项目 (2 0 0 1 6)，华中科技大学塑性成形模拟及模具技术国家重点实验室开放基金资助项目 (2 0 0 3 2 )，南昌市科技局资助项目 |
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| 摘 要： | 通过UG的二次开发工具UG／OPEN API，开发出一个自动识别和读取UG模型的程序；对以往传统的Delaunay三角剖分算法做些改进，编写了该网格划分实现源程序，并对网格形状作优化和光滑化处理，实现对网格密度的自动控制；最后使用该网格划分程序对自动识别的任意复杂平面域UG模型进行网格划分。实现了在UG上做有限元网格划分的二次开发。
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| 关 键 词： | UG／OPEN 二次开发 平面域 有限元网格 自动识别 Delaunay三角剖分 读取 光滑 算法 形状 |
FEA grid generation to arbitary complicated plane domain realized in UG secondary development |
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| XIE Shi-kun,HUANG Ju-hua,YANG Guo-tai,HUANG Duan-wei,CHENG Cong-shan.FEA grid generation to arbitary complicated plane domain realized in UG secondary development[J].Forging & Stamping Technology,2004,29(6):62-66. |
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| Authors: | XIE Shi-kun HUANG Ju-hua YANG Guo-tai HUANG Duan-wei CHENG Cong-shan |
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| Affiliation: | XIE Shi-kun 1 HUANG Ju-hua 1 YANG Guo-tai 1 HUANG Duan-wei 1 CHENG Cong-shan 2 |
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| Abstract: | FEA grid generation in UG re-developing is realized in this paper for the first time. At first, according to the UG re-developing tool-UG/OPEN API,a procedure to identify and read the UG model has been developed. Then, some improvements are made to the traditional delaunay triangulation arithmetic,and a routine has been compiled, some optimization and smooth are made to the grid shape, the automatic control to the grid density is also realized. Finally, arbitary complicated plane domain automatic read from the UG is completely finished by the grid generation process. |
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| Keywords: | Delaunay triangulation Arbitary complicated plane domain Unigraphics re-developing Grid generation |
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