NDLI: Dynamic interaction between deformable surfaces and nonsmooth objects

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Dynamic interaction between deformable surfaces and nonsmooth objects

Content Provider	IEEE Xplore Digital Library
Author	Wingo Sai-Keung Wong George Baciu
Copyright Year	1995
Abstract	In this paper, we introduce new techniques that enhance the computational performance for the interactions between sharp objects and deformable surfaces. The new formulation is based on a time-domain predictor-corrector model. For this purpose, we define a new kind of (/spl pi/, /spl beta/, I)-surface. The partitioning of a deformable surface into a finite set of (/spl pi/, /spl beta/, I)-surfaces allows us to prune a large number of noncolliding feature pairs. This leads to a significant performance improvement in the collision detection process. The intrinsic collision detection is performed in the time domain. Although it is more expensive compared to the static interference test, it avoids portions of the surfaces passing through each other in a single time step. In order to resolve all the possible collision events at a given time, a penetration-free motion space is constructed for each colliding particle. By keeping the velocity of each particle inside the motion space, we guarantee that the current colliding feature pairs will not penetrate each other in the subsequent motion. A static analysis approach is adopted to handle friction by considering the forces acting on the particles and their velocities. In our formulation, we further reduce the computational complexity by eliminating the need to compute repulsive forces.
Sponsorship	IEEE Computer Society Technical Committee on Computer Graphics IEEE Computer Society
Page Count	12
File Size	2258802
Starting Page	329
Ending Page	340
File Format	PDF
ISSN	10772626
Volume Number	11
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Friction Object detection Surface treatment Deformable models Time domain analysis Predictive models Interference Testing Computational complexity Computational modeling friction. Index Terms- Collision detection deformable surfaces cloth simulation animation sharp objects
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Signal Processing Computer Vision and Pattern Recognition Software

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