High fidelity simulation of corotational linear FEM for incompressible materials

Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

Dokumenter

We present a novel method of simulating incompressible materials undergoing large deformation without locking artifacts. We apply it for simulating silicone soft robots with a Poisson ratio close to 0.5. The new approach is based on the mixed finite element method (FEM) using a pressure-displacement formulation; the deviatoric deformation is still handled in a traditional fashion. We support large deformations without volume increase using the corotational formulation of linear elasticity. Stability is ensured by an implicit integration scheme which always reduces to a sparse linear system. For even more deformation accuracy we support higher order simulation through the use of Bernstein-Bézier polynomials
OriginalsprogEngelsk
TitelProceedings - MIG 2019 : ACM Conference on Motion, Interaction, and Games
RedaktørerStephen N. Spencer
Antal sider6
ForlagAssociation for Computing Machinery
Publikationsdato2019
Artikelnummera28
ISBN (Elektronisk)9781450369947
DOI
StatusUdgivet - 2019
Begivenhed2019 ACM Conference on Motion, Interaction, and Games, MIG 2019 - Newcastle upon Tyne, Storbritannien
Varighed: 28 okt. 201930 okt. 2019

Konference

Konference2019 ACM Conference on Motion, Interaction, and Games, MIG 2019
LandStorbritannien
ByNewcastle upon Tyne
Periode28/10/201930/10/2019
SponsorACM SIGGRAPHGeneral

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