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Although simple linear tetrahedra typically suffer from locking when modeling incompressible materials, our method enforces incompressibility per node (in a one-ring), and we demonstrate that it is free from locking. We correct errors in volume without introducing oscillations by treating position and velocity in separate implicit solves. Finally, we propose a novel method for treating both object contact and self-contact as linear constraints during the incompressible solve, alleviating issues in enforcing multiple possibly conflicting constraints.<\/jats:p>","DOI":"10.1145\/1276377.1276394","type":"journal-article","created":{"date-parts":[[2007,9,14]],"date-time":"2007-09-14T13:44:55Z","timestamp":1189777495000},"page":"13","update-policy":"http:\/\/dx.doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":79,"title":["Volume conserving finite element simulations of deformable models"],"prefix":"10.1145","volume":"26","author":[{"given":"Geoffrey","family":"Irving","sequence":"first","affiliation":[{"name":"Stanford University"}]},{"given":"Craig","family":"Schroeder","sequence":"additional","affiliation":[{"name":"Stanford University"}]},{"given":"Ronald","family":"Fedkiw","sequence":"additional","affiliation":[{"name":"Stanford University"}]}],"member":"320","published-online":{"date-parts":[[2007,7,29]]},"reference":[{"key":"e_1_2_2_1_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.gmod.2005.11.001"},{"key":"e_1_2_2_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/nme.1413"},{"key":"e_1_2_2_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cma.2006.01.005"},{"key":"e_1_2_2_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1099-0887(199805)14:5<437::AID-CNM162>3.0.CO;2-W"},{"key":"e_1_2_2_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/nme.1121"},{"key":"e_1_2_2_6_1","doi-asserted-by":"crossref","unstructured":"Bourguignon D. and Cani M. 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