Author: Browne D.
Publisher: Taylor & Francis Ltd
ISSN: 1521-0626
Source: Numerical Heat Transfer Part B: Fundamentals, Vol.45, Iss.5, 2004-05, pp. : 395-419
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Abstract
In a new model of alloy solidification in a square mold, the interface being followed by a front-tracking technique is representative of a curve joining the tips of growing solid dendrites. The coupled heat equation is solved via an Eulerian control-volume formulation. In the absence of convection, the nucleation and nonequilibrium growth of both a front of columnar grains and a single equiaxed grain have been modeled and animated. This is a major step toward the computationally efficient complete direct numerical simulation of the developing grain structure in a casting process.
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