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연구기관
수리과학연구소
Journal papers
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Phase-field simulations of crystal growth in a two-dimensional cavity flow
Title
Phase-field simulations of crystal growth in a two-dimensional cavity flow
Authors
Lee S.
;
Li Y.
;
Shin J.
;
Kim J.
Ewha Authors
신재민
SCOPUS Author ID
신재민
Issue Date
2017
Journal Title
Computer Physics Communications
ISSN
0010-4655
Citation
Computer Physics Communications vol. 216, pp. 84 - 94
Keywords
Cavity flow
;
Crystal growth
;
Moving overset grid
;
Phase-field method
Publisher
Elsevier B.V.
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
In this paper, we consider a phase-field model for dendritic growth in a two-dimensional cavity flow and propose a computationally efficient numerical method for solving the model. The crystal is fixed in the space and cannot be convected in most of the previous studies, instead the supercooled melt flows around the crystal, which is hard to be realized in the real world experimental setting. Applying advection to the crystal equation, we have problems such as deformation of crystal shape and ambiguity of the crystal orientation for the anisotropy. To resolve these difficulties, we present a phase-field method by using a moving overset grid for the dendritic growth in a cavity flow. Numerical results show that the proposed method can predict the crystal growth under flow. © 2017 Elsevier B.V.
DOI
10.1016/j.cpc.2017.03.005
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