Numerical simulation of three-dimensional dendritic growth

被引：212

作者：

Karma, A ^{[1
]}

Rappel, WJ ^{[1
]}

机构：

[1] NORTHEASTERN UNIV,CTR INTERDISCIPLINARY RES COMPLEX SYST,BOSTON,MA 02115

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.77.4050

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Dendritic crystal growth in a pure undercooled melt is simulated quantitatively in three dimensions using a phase-field approach. The classic parameter sigma* that characterizes the dynamically selected operating state of the dendrite tip as well as the full nonaxisymmetric tip morphology are determined as a function of anisotropy for a crystal with a cubic symmetry. Results are compared to experiment and used to critically test solvability theory.

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页码：4050 / 4053

页数：4

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