2D Solidification And Melting Model Using FEM And Adaptive Meshing
Author(s)
Y. Du Terrail Couvat, A. Gagnoud, M. Anderhuber
Abstract
2D solidification and melting model using FEM
and adaptive meshing
Y. Du Terrail Couvat, A. Gagnoud & M. Anderhuber
Abstract
In the case of pure materials, a precise modeling of solidification and melting
phenomena may be achieved by controlling accurately the position and shape of
the solidification front. We analyze two approaches. The first one considers a
cylindrical ingot in which solid and liquid materials are present. The second one
considers a piece of material melting in an infinite bath composed of the same
melted material. In the first case, the static energy equation is written in term of
enthalpy, and laminar liquid movements are expressed with velocity and pressure
unknowns. The finite element mesh is adapted by moving internal nodes on a
fixed mesh topology. A particular interface element has been introduced on the
solidification front line. A Petrov Galerkin upwind scheme has been
programmed. In the second case, transient energy equation is written in
temperatur
Keywords
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