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A Level Set Approach for the Numerical Simulation of Dendritic Growth

By Frederic Gibou, Ronald Fedkiw, Russel Caflisch and Stanley Osher

Abstract

In this paper, we present a level set approach for the modeling of dendritic solidification. These simulations exploit a recently developed second order accurate symmetric discretization of the Poisson equation, see [12]. Numerical results indicate that this method can be used successfully on complex interfacial shapes and can simulate many of the physical features of dendritic solidification. We apply this algorithm to the simulation of the dendritic crystallization of a pure melt and find that the dendrite tip velocity and tip shapes are in excellent agreement with solvability theory. Numerical results are presented in both two and three spatial dimensions

Year: 2002
OAI identifier: oai:CiteSeerX.psu:10.1.1.19.1953
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