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HomeMaterials Science ForumMaterials Science Forum Vols. 783-786Towards a 3-Dimensional Phase-Field Model of...

Towards a 3-Dimensional Phase-Field Model of Non-Isothermal Alloy Solidification

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Abstract:

We review the application of advanced numerical techniques such as adaptive mesh refinement, implicit time-stepping, multigrid solvers and massively parallel implementations as a route to obtaining solutions to the 3-dimensional phase field problem for coupled heat and solute transport during non-isothermal alloy solidification. Using such techniques it is shown that such models are tractable for modest values of the Lewis number (ratio of thermal to solutal diffusivities). Solutions to the 3-dimensional problem are compared with existing solutions to the equivalent 2-dimensional problem.

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THERMEC 2013

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Periodical:

Materials Science Forum (Volumes 783-786)

Pages:

2166-2171

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.783-786.2166

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Online since:

May 2014

Authors:

Andrew M. Mullis*, Peter C. Bollada, Peter K. Jimack

Keywords:

Adaptive Mesh Refinement, High Performance Computing, Multigrid, Phase Field

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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