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Convection Effects in Three-Dimensional Dendritic Growth

Published online by Cambridge University Press:  17 March 2011

Yili Lu,
C. Beckermann and
A. Karma
Yili Lu
Affiliation:
Department of Mechanical and Industrial Engineering, University of Iowa, Iowa City, IA 52242-1527, U.S.A.
C. Beckermann
Affiliation:
Department of Mechanical and Industrial Engineering, University of Iowa, Iowa City, IA 52242-1527, U.S.A.
A. Karma
Affiliation:
Department of Physics and Center for Interdisciplinary Research on Complex Systems, Northeastern University, Boston, MA 02115, U.S.A.
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Abstract

A phase-field model is developed to simulate free dendritic growth coupled with fluid flow for a pure material in three dimensions. The preliminary results presented here illustrate the strong influence of convection on the three-dimensional (3D) dendrite growth morphology. The knowledge of the flow and temperature fields in the melt from the simulations allows for a detailed understanding of the convection effects on dendritic growth.

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References

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