A Point-based Method for Animating Elastoplastic Solids

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dc.contributor.authorGerszewski, Dan
dc.contributor.authorBhattacharya, Haimasree
dc.contributor.authorBargteil, Adam W.
dc.date.accessioned2019-09-19T14:08:27Z
dc.date.available2019-09-19T14:08:27Z
dc.date.issued2009-08-01
dc.description2009 ACM SIGGRAPH/Eurographics Symposium on Computer Animation.en_US
dc.description.abstractIn this paper we describe a point-based approach for animating elastoplastic materials. Our primary contribution is a simple method for computing the deformation gradient for each particle in the simulation. The deformation gradient is computed for each particle by finding the affine transformation that best approximates the motion of neighboring particles over a single timestep. These transformations are then composed to compute the total deformation gradient that describes the deformation around a particle over the course of the simulation. Given the deformation gradient we can apply arbitrary constitutive models and compute the resulting elastic forces. Our method has two primary advantages: we do not store or compare to an initial rest configuration and we work directly with the deformation gradient. The first advantage avoids poor numerical conditioning and the second naturally leads to a multiplicative model of deformation appropriate for finite deformations. We demonstrate our approach on a number of examples that exhibit a wide range of material behaviors.en_US
dc.description.uriA point-based method for animating elastoplastic solidsen_US
dc.format.extent6 pagesen_US
dc.genreconference proceedings and papers preprintsen_US
dc.identifierdoi:10.13016/m2sjst-322o
dc.identifier.citationDan Gerszewski, Haimasree Bhattacharya, Adam W. Bargteil, A Point-based Method for Animating Elastoplastic Solids, Proceedings of the 2009 ACM SIGGRAPH/Eurographics Symposium on Computer Animation Pages 133-138, DOI : 10.1145/1599470.1599488en_US
dc.identifier.urihttps://doi.org/10.1145/1599470.1599488
dc.identifier.urihttp://hdl.handle.net/11603/14585
dc.language.isoen_USen_US
dc.publisherACMen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Computer Science and Electrical Engineering Department Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.subjectpoint-based simulationen_US
dc.subjectnatural phenomenaen_US
dc.subjectphysics-based animationen_US
dc.subjectelastoplastic solidsen_US
dc.subjectUMBC Computer Animation Laben_US
dc.titleA Point-based Method for Animating Elastoplastic Solidsen_US
dc.typeTexten_US

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