A unified handling of immiscible and miscible fluids

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Conventional level set-based approaches have an inherent difficulty in tracking miscible fluids due to its discrete treatment for interface. This paper proposes a unified framework to efficiently handle both miscible and immiscible fluid simulations. Based on the chemical potential energy, our method describes the evolution of multiple fluids as time-varying concentration fields. Handling of multiple fluids is straightforward and, unlike level set methods, ad hoc reinitialization or fictitious particle deployment is not necessary. For numerical computation of the Navier-Stokes equations, we adopt advanced lattice Boltzmann methods (LBMs) for computational efficiency. The experiments show that our approach works well with immiscible fluids, miscible fluids, and interaction With objects. Copyright (C) 2008 John Wiley & Sons, Ltd.
Publisher
JOHN WILEY & SONS LTD
Issue Date
2008-08
Language
English
Article Type
Article; Proceedings Paper
Keywords

LATTICE-BOLTZMANN SIMULATIONS; FLOWS; MODEL

Citation

COMPUTER ANIMATION AND VIRTUAL WORLDS, v.19, no.3-4, pp.455 - 467

ISSN
1546-4261
URI
http://hdl.handle.net/10203/24318
Appears in Collection
CS-Journal Papers(저널논문)GCT-Journal Papers(저널논문)
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