A Geometrically Consistent Viscous Fluid Solver with Two-Way Fluid-Solid Coupling

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dc.contributor.authorTakahashi, Tetsuyaen_US
dc.contributor.authorLin, Ming C.en_US
dc.contributor.editorAlliez, Pierre and Pellacini, Fabioen_US
dc.date.accessioned2019-05-05T17:39:12Z
dc.date.available2019-05-05T17:39:12Z
dc.date.issued2019
dc.description.abstractWe present a grid-based fluid solver for simulating viscous materials and their interactions with solid objects. Our method formulates the implicit viscosity integration as a minimization problem with consistently estimated volume fractions to account for the sub-grid details of free surfaces and solid boundaries. To handle the interplay between fluids and solid objects with viscosity forces, we also formulate the two-way fluid-solid coupling as a unified minimization problem based on the variational principle, which naturally enforces the boundary conditions. Our formulation leads to a symmetric positive definite linear system with a sparse matrix regardless of the monolithically coupled solid objects. Additionally, we present a position-correction method using density constraints to enforce the uniform distributions of fluid particles and thus prevent the loss of fluid volumes. We demonstrate the effectiveness of our method in a wide range of viscous fluid scenarios.en_US
dc.description.number2
dc.description.sectionheadersFluids
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume38
dc.identifier.doi10.1111/cgf.13618
dc.identifier.issn1467-8659
dc.identifier.pages49-58
dc.identifier.urihttps://doi.org/10.1111/cgf.13618
dc.identifier.urihttps://diglib.eg.org:443/handle/10.1111/cgf13618
dc.publisherThe Eurographics Association and John Wiley & Sons Ltd.en_US
dc.subjectComputing methodologies
dc.subjectPhysical simulation
dc.titleA Geometrically Consistent Viscous Fluid Solver with Two-Way Fluid-Solid Couplingen_US
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