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Trimming self-intersections in swept volume solid modeling

delete2008-04-01
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PRE
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Z
Zhiqi Xu *
陈智洋 cover
陈智洋 (Zhiyang Chen)
S
Sanyuan Zhang
DOI:10.1631/jzus.A071357delete
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Abstract

Abstract

En 中文
Swept volume solid modeling has been applied to many areas such as NC machining simulation and verification, robot workspace analysis, collision detection, and CAD. But self-intersections continue to be a challenging problem in the boundary representation of swept volume solids. A novel algorithm is presented in this paper to trim self-intersection regions in swept volume solids modeling. This trimming algorithm consists of two major steps: (1) roughly detecting self-intersection regions by checking intersections or overlapping of the envelop profiles; (2) splitting the whole envelop surfaces of the swept volume solid into separate non-self-intersecting patches to trim global self-intersections, and to trim local self-intersections, dividing local self-intersecting regions into patches and replacing self-intersecting patches with non-self-intersecting ones. Examples show that our algorithm is efficient and robust.
Keywords:
self-intersection
swept volume (SV)
solid modeling
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Journal

Journal of Zhejiang University-SCIENCE B cover
Journal of Zhejiang University-SCIENCE B
IF:
4.9
Papers:
2.1K
Citations:
4.6K

Organization

Z
zhejiang university of technology
Scholars:
3.3W
Papers: 2.0W
Citations: 22
Z
zhejiang university
Scholars:
17.7W
Papers: 12.1W
Citations: 152
Cited Papers

Cited Papers

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errJ. Padawer; G. J. Fruhman
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errBlackmore, D; Samulyak, R; Leu, MC
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