vriphys09
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Browsing vriphys09 by Subject "Categories and Subject Descriptors (according to ACM CCS): I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism - Animation"
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Item Friction Handling for Penalty-Based Methods(The Eurographics Association, 2009) Lazarevych, Olexiy; Spillmann, Jonas; Renner, Christoph; Szekely, Gabor; Harders, Matthias; Hartmut Prautzsch and Alfred Schmitt and Jan Bender and Matthias TeschnerIn order to handle collisions between interacting deformable objects, the penalty method is widely employed since it is simple to implement and computationally inexpensive. In this paper a novel penalty method for handling collisions with the focus on the simulation of resting states is proposed. In detail, a novel time-coherent formulation for the static friction forces is presented that reproduces both the resting states and the transitions between sliding and sticking in a physically realistic way. The method is tested on a range of challenging real-time and off-line scenarios, underpinning the conceptual benefits of the approach.