IEEE Trans Vis Comput Graph - Vortical Inviscid Flows with Two-Way Solid-Fluid Coupling.

Tópicos

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Resumo

Vortex methods increasingly receive attention from the computer graphics community for simple and direct modeling of complex flow phenomena such as turbulence. The coupling between free-form solids, represented by arbitrary surface meshes, and fluids simulated with vortex methods, leads to visually rich simulations. In this paper, we introduce a novel approach for simulating the interaction between solids and inviscid fluids for high-quality simulations using Lagrangian vortex particles. The key aspect of our method is simulating the creation of vorticity at a solid's surface. While previous vortex simulators only focus on modeling the solid as a boundary for the fluid, our approach allows the accurate simulation of two processes of visual interest. The first is the introduction of surface vorticity in the main flow as turbulence (vortex shedding). The second is the motion of the solid induced by fluid forces. Lastly, we introduce to computer graphics the concept of source panels to model non-turbulent flow around objects. To the best of our knowledge, this is the first work on two-way coupling of 3D solids and fluids using Lagrangian vortex methods in computer graphics.

Resumo Limpo

vortex method increas receiv attent comput graphic communiti simpl direct model complex flow phenomena turbul coupl freeform solid repres arbitrari surfac mesh fluid simul vortex method lead visual rich simul paper introduc novel approach simul interact solid inviscid fluid highqual simul use lagrangian vortex particl key aspect method simul creation vortic solid surfac previous vortex simul focus model solid boundari fluid approach allow accur simul two process visual interest first introduct surfac vortic main flow turbul vortex shed second motion solid induc fluid forc last introduc comput graphic concept sourc panel model nonturbul flow around object best knowledg first work twoway coupl d solid fluid use lagrangian vortex method comput graphic

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