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Stabilised Finite Element for High Reynolds Number, LES and Free Surface flow Problems

Abstract : We propose a stabilized finite element method to address complex high Reynolds flows with free surface. An implicit stabilized finite element method (SFEM) is used for solving the incompressible two-phase Navier-Stokes equations in three-dimensions. A novel approach to deal with turbulent two-phase flows is highlighted by coupling a local convected levelset method to a Large Eddy simulation turbulent modeling. A comparison between the static and dynamic eddy-viscosity models is analyzed. We assess the behaviour and accuracy of the proposed stabilized finite element method coupled to the two-phase turbulent approximation in the simulation of complex 3D flows, such as the flow in a partially filled two communicating tanks. Results are compared with the experimental data and show that the present implementation is able to exhibit good stability and accuracy properties for high Reynolds number flows using unstructured meshes.
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  • HAL Id : hal-00671091, version 1

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Guillaume François, Elie Hachem, Thierry Coupez. Stabilised Finite Element for High Reynolds Number, LES and Free Surface flow Problems. ECCOMAS CFD 2010, Jun 2010, Lisbon, Portugal. 9 p. ⟨hal-00671091⟩

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