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Finite element analysis of turbulent flow during the mould filling in casting

Abstract : A finite element model for 2D and 3D incompressible turbulent hows has been developed to describe the filling stage of casting processes. The how is simulated by averaged Navier-Stokes equations and the standard k-epsilon model is used to take into account its turbulent behaviour. A simplified version of the wall function method is employed to approach the dominant viscous effects in the near wall zones. About the mechanical model, a mixed velocity-pressure Arbitrary Lagrangian Eulerian formulation has been developed to provide a natural representation of the moving free boundaries, by means of a convected mesh. The validation of our models is established from differents tests found in the literature. The capability of the software is illustrated with a casting-like flow of industrial complexity, in which turbulent effects are dominant.
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Submitted on : Friday, March 4, 2011 - 4:17:25 PM
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  • HAL Id : hal-00573785, version 1


Chantal Bahloul, Laurence Gaston, Michel Bellet. Finite element analysis of turbulent flow during the mould filling in casting. 6th International Conference on Numerical Methods in Industrial Forming Processes (NUMIFORM 98), Jun 1998, Enschede, Netherlands. pp.Pages 641-646. ⟨hal-00573785⟩



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