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- W298840507 abstract "The numerical simulation of interfacial and free surface flows is a vast and interesting topic in the areas of engineering and fundamental physics, such as the study of liquid-gas interfaces, formation of droplets, bubbles and sprays, combustionproblems with liquid and gas reagents, study of wave motion and others.One of the most powerful and robust methods for interface tracking on fixed grids is the Volume-of-Fluid (VOF). This method tracks the interface between different fluids by evolving the volume fraction scalar field, ratio of fluid to total volume, in time. First, the interface geometry is reconstructed from local volume fraction data. Then, the interface reconstruction and the solution of the Navier-Stokes equations are used to compute the volume fraction advection equation.The objective of this work is to implement a fast, accurate and efficientlyparallelizated VOF/Navier-Stokes model well suited to 3D unstructured staggered meshes. The interface will be reconstructed by a PLIC method and the advection step will be computed by the means of an unsplit-advection volume tracking algorithm.On the other hand, the Navier-Stokes equations will be solved using an unstructured staggered formulation. The parallelization of the VOF/Navier-Stokes model will be studied by solving the Richtmyer-Meshkov instability (RMI). The Richtmyer-Meshkov instability occurs at a nearly planar interface separating two fluids that are impulsively accelerated in the direction normal to the interface. This impulsive acceleration can be the result of an impulsive body force or a passing shock wave." @default.
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- W298840507 date "2011-01-01" @default.
- W298840507 modified "2023-09-27" @default.
- W298840507 title "Parallelization study of a VOF/Navier-Stokes model for 3D unstructured staggered meshes" @default.
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