| 快速完备的用于CAD/CAM自由曲面求交的算法 |
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| 引用本文： | 陈丽萍,龚堰钰,李彬,任向阳,杨川,王小椿. 快速完备的用于CAD/CAM自由曲面求交的算法[J]. 机械工程学报, 2000, 36(7): 102-105 |
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| 作者姓名： | 陈丽萍 龚堰钰 李彬 任向阳 杨川 王小椿 |
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| 作者单位： | 西安交通大学机械工程学院数控技术研究所 |
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| 摘 要： | 自由曲面的求交算法在CAD/CAM技术中占有重要的地位，对软件运行的效率有较大的影响。然而，目前常用的Bezier曲面分割法难以满足高精度和高速度的要求。为此提出了利用交线的几何信息进行快速求交的算法，同时兼顾了快速和高精度两方面的要求，并得到了成功的应用。
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| 关 键 词： | 迭代 跟踪 曲面求交 |
ALGORITHM TO QUICKLY CALCULATE THE INTERSECTING LINES BETWEEN FREE-FORM SURFACES IN CAD/CAM |
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| Chen Liping,Gong Yanyu,Li Bin,Ren Xiangyang,Yang Chuan,Wang Xiaochun. ALGORITHM TO QUICKLY CALCULATE THE INTERSECTING LINES BETWEEN FREE-FORM SURFACES IN CAD/CAM[J]. Chinese Journal of Mechanical Engineering, 2000, 36(7): 102-105 |
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| Authors: | Chen Liping Gong Yanyu Li Bin Ren Xiangyang Yang Chuan Wang Xiaochun |
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| Affiliation: | Xi'an Jiaotong University |
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| Abstract: | The algorithm to calculate Intersecting lines of frre form surfaces is of great importance in CAD/CAM technology,may obviously influence running efficiency of a software.However,the widely used dividing surface method with Bezier can hardly meet both needs of high precision and high speed. In order to solve the problem,a fast algorithm based on geometric information of intersecting lines is proposed,which can meet the requirements of high precision and high speed at the same time,and has been successfully applied. |
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| Keywords: | Intersections of curved surfaces Tracing Iteration |
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