Topic
Volume of fluid method
About: Volume of fluid method is a research topic. Over the lifetime, 5338 publications have been published within this topic receiving 116760 citations.
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TL;DR: In this paper, a sequential multiscale strategy that combines molecular dynamics (MD) with volume of fluid (VOF) simulations is proposed to study the spreading of droplets on surfaces, where VOF is applied everywhere in the domain with MD pre-simulations distributed along the wetted interface providing the crucial boundary information for the three-phase contact line dynamics and the solid/liquid interfacial slip.
43 citations
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TL;DR: In this article, a numerical model for two-phase flows with varying density is presented, in which a modified volume of fluid (VOF) method is combined with a semi-implicit algorithm (simple ) and a higher-order advection scheme in a collocated grid.
Abstract: One of the challenges in modelling multiphase fluid systems is to capture accurately the discontinuous-interface phenomenon. In this paper a numerical model for two-phase flows with a varying density is presented, in which a modified volume of fluid (VOF) method is combined with a semi-implicit algorithm ( simple ) and a higher-order advection scheme in a collocated grid. The improved volume tracking method allows interfaces to be captured and maintained compactly in one cell, without imposing restrictions on the topological complexity or the number of interfaces that can be represented. The surface tension force is modelled by a continuum surface force approximation. An efficient solver is used for the resulting system of the linear equations. Example problems simulated in this paper are the buoyancy-driven motion of multiple bubbles in a viscous liquid, and bubble-rise towards an interface. The complex topological changes that occur during bubble rise are well predicted. The result is verified by experimental data in the literature.
43 citations
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TL;DR: In this paper, the authors explore subcooled nucleate flow boiling of FC-72 in a rectangular channel having two opposite heating walls at different mass velocities and wall heat fluxes ranging from 42% to 45% of CHF.
43 citations
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TL;DR: In this article, a 3D computational fluid dynamics model was developed using multiphase volume of fluid (VOF) method combined with the dynamic meshing technique to capture the details of collision physics especially the movement of three phase contact line (TPCL) on the particle surface.
43 citations
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TL;DR: In this paper, a fluid-structure coupling numerical model of an oil-jet lubricated cylindrical roller bearing (CRB) in a high power gearbox is developed, in which the volume of fluid (VOF) method and slip mesh model are used.
43 citations