An Optimization-based SPH Solver for Simulation of Hyperelastic Solids

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dc.contributor.authorKee, Min Hyungen_US
dc.contributor.authorUm, Kiwonen_US
dc.contributor.authorKang, HyunMoen_US
dc.contributor.authorHan, JungHyunen_US
dc.contributor.editorMyszkowski, Karolen_US
dc.contributor.editorNiessner, Matthiasen_US
dc.date.accessioned2023-05-03T06:10:17Z
dc.date.available2023-05-03T06:10:17Z
dc.date.issued2023
dc.description.abstractThis paper proposes a novel method for simulating hyperelastic solids with Smoothed Particle Hydrodynamics (SPH). The proposed method extends the coverage of the state-of-the-art elastic SPH solid method to include different types of hyperelastic materials, such as the Neo-Hookean and the St. Venant-Kirchoff models. To this end, we reformulate an implicit integration scheme for SPH elastic solids into an optimization problem and solve the problem using a general-purpose quasi-Newton method. Our experiments show that the Limited-memory BFGS (L-BFGS) algorithm can be employed to efficiently solve our optimization problem in the SPH framework and demonstrate its stable and efficient simulations for complex materials in the SPH framework. Thanks to the nature of our unified representation for both solids and fluids, the SPH formulation simplifies coupling between different materials and handling collisions.en_US
dc.description.number2
dc.description.sectionheadersSimulation: Material Interactions
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume42
dc.identifier.doi10.1111/cgf.14756
dc.identifier.issn1467-8659
dc.identifier.pages225-233
dc.identifier.pages9 pages
dc.identifier.urihttps://doi.org/10.1111/cgf.14756
dc.identifier.urihttps://diglib.eg.org:443/handle/10.1111/cgf14756
dc.publisherThe Eurographics Association and John Wiley & Sons Ltd.en_US
dc.subjectCCS Concepts: Computing methodologies -> Physical simulation, elastic body simulation, optimization
dc.subjectComputing methodologies
dc.subjectPhysical simulation
dc.subjectelastic body simulation
dc.subjectoptimization
dc.titleAn Optimization-based SPH Solver for Simulation of Hyperelastic Solidsen_US
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