Continuous Penalty Forces
by Min Tang1, Dinesh Manocha2, Miguel A. Otaduy3 and Ruofeng Tong1.
Web3D纳金网www.narkii.com
附件包含论文的PDF和一个视频。30M的样子，自己下载一下。
1 - Zhejiang University, China
2 - University of North Carolina at Chapel Hill, USA
3 - URJC Madrid, Spain
Figure 1: Sticking and penetration problems: We highlight sticking and penetration problems in the Chain Benchmark (a)(14.3k triangles, 60fps) and the Rings Benchmark (b)(7.4k triangles, 35fps) with traditional penalty methods. Our novel continuous penalty force formulation can alleviate these problems based on continuous collision and force computation.
Abstract
We present a simple algorithm to compute continuous penalty forces to determine collision response between rigid and deformable models bounded by triangle meshes. Our algorithm provides a well-behaved solution in contrast to the traditional stability and robustness problems of penalty methods, induced by force discontinuities. We trace contact features along their deforming trajectories and accumulate penalty forces along the penetration time intervals between the overlapping feature pairs. Moreover, we present a closed-form expression to compute the continuous and smooth collision response. Our method has very small additional overhead compared to previous penalty methods, while significantly improves the stability and robustness. We highlight its benefits on several benchmarks.
UNC dynamic model benchmark repository
VolCCD: Fast Continuous Collision Culling between Deforming Volume Meshes
Collision-Streams: Fast GPU-based Collision Detection for Deformable Models
Fast Continuous Collision Detection using Deforming Non-Penetration Filters
Interactive Continuous Collision Detection between Deformable Models using Connectivity-Based Culling
MCCD: Multi-Core Collision Detection between Deformable Models using Front-Based Decomposition
Fast Collision Detection for Deformable Models using Representative-Triangles
DeformCD: Collision Detection between Deforming Objects
Interactive Collision Detection between Deformable Models using Chromatic Decomposition
Fast Proximity Computation Among Deformable Models using Discrete Voronoi Diagrams
CULLIDE: Interactive Collision Detection between Complex Models using Graphics Hardware
RCULLIDE: Fast and Reliable Collision Culling using Graphics Processors
Quick-CULLIDE: Efficient Inter- and Intra-Object Collision Culling using Graphics Hardware
Collision Detection
UNC GAMMA Group
