A Method To Improve Matching Process by Shape Characteristics in Parametric Systems

Abstract : In current parametric systems, the persistent naming issue (based on edge mappings of intersecting surfaces) is not as fully supported as it should be. Unpredictability and ambiguity of models often happen during design reevaluation within systems. This reference deficiency is widely treated in the literature, especially about non-planar entities during design construction. Although related works ensure the uniqueness of the references to topological entities, they often neglect the shape characteristics of surfaces and give results different from those expected during design reevaluation. We propose in this paper a method to add some additional information about surfaces to improve such works. We compute those information by decomposing surfaces according to hump(s) and/or hollow(s). More precisely, our method use local extremums and inflexion curves to obtain one hump or hollow per sub-surface. The existing matching processes replace every surface with their corresponding subsurfaces, leading to the right edge mappings.
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Computer-Aided Design and Applications, CAD Solutions LLC (imprimé) and Taylor & Francis Online (en ligne), 2009, 6 (3), pp.341-350. 〈10.3722/cadaps.2009.341-350〉
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Mehdi Baba-Ali, David Marcheix, Xavier Skapin. A Method To Improve Matching Process by Shape Characteristics in Parametric Systems. Computer-Aided Design and Applications, CAD Solutions LLC (imprimé) and Taylor & Francis Online (en ligne), 2009, 6 (3), pp.341-350. 〈10.3722/cadaps.2009.341-350〉. 〈hal-00383282〉

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