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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11 Aug 1995TL;DR: In this article, a numerical model that can simulate plunging waves on permeable structures is described, which is used to solve the two-dimensional (2D-V) incompressible Navier-Stokes equations.
Abstract: A numerical model that can simulate plunging waves on permeable structures is described. The 'Volume Of Fluid' method is used to solve the two-dimensional (2D-V) incompressible Navier-Stokes equations. After implementation of porous media flow for applications with permeable structures, the model has been verified by using several analytical solutions and by comparisons with physical model tests to study breaking waves on and inside permeable structures.
52 citations
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TL;DR: A numerical model is presented for the simulation of complex fluid flows with free surfaces in three space dimensions, similar to that of the volume of fluid (VOF) method, but the numerical procedures are different.
Abstract: A numerical model is presented for the simulation of complex fluid flows with free surfaces in three space dimensions. The model described in Maronnier et al. (J. Comput. Phys. 1999; 155(2):439) is extended to three dimensional situations. The mathematical formulation of the model is similar to that of the volume of fluid (VOF) method, but the numerical procedures are different. A splitting method is used for the time discretization. At each time step, two advection problems-one for the predicted velocity field and the other for the volume fraction of liquid-are to be solved. Then, a generalized Stokes problem is solved and the velocity field is corrected. Two different grids are used for the space discretization. The two advection problems are solved on a fixed, structured grid made out of small cubic cells, using a forward characteristic method. The generalized Stokes problem is solved using continuous, piecewise linear stabilized finite elements on a fixed, unstructured mesh of tetrahedrons. The three-dimensional implementation is discussed. Efficient postprocessing algorithms enhance the quality of the numerical solution. A hierarchical data structure reduces memory requirements. Numerical results are presented for complex geometries arising in mold filling. Copyright (C) 2003 John Wiley Sons, Ltd.
52 citations
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TL;DR: In this article, two powerful methods are combined for bubble column simulations, namely, the volume of fluid and the discrete bubble model, and a model parameter study for bubble break-up and coalescence is performed to find the optimum values of the model parameters, i.e., the critical Weber number and the coalescence calibration factor.
52 citations
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TL;DR: In this article, an optimization framework for superhydrophobic surface designs is presented which uses experimentally verified high fidelity CFD analyses to identify optimal combinations of design features which maximise desirable characteristics such as the vertical velocity of the merged jumping droplet from the surface and energy efficiency.
52 citations
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TL;DR: In this paper, the authors used the volume-of-fluid (VOF) model to simulate the distribution and flow of a liquid film on the outer surface of the horizontal tube of a falling-film evaporator.
52 citations