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A Parallel Cellular Automata Lattice Boltzmann Method for Convection-Driven Solidification.

作者信息

Kao Andrew, Krastins Ivars, Alexandrakis Matthaios, Shevchenko Natalia, Eckert Sven, Pericleous Koulis

机构信息

1Centre for Numerical Modelling and Process Analysis, University of Greenwich, Old Royal Naval College, Park Row, London, SE109LS UK.

2Institute of Fluid Dynamics, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328 Dresden, Germany.

出版信息

JOM (1989). 2019;71(1):48-58. doi: 10.1007/s11837-018-3195-3. Epub 2018 Nov 12.

DOI:10.1007/s11837-018-3195-3
PMID:30880880
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6394337/
Abstract

This article presents a novel coupling of numerical techniques that enable three-dimensional convection-driven microstructure simulations to be conducted on practical time scales appropriate for small-size components or experiments. On the microstructure side, the cellular automata method is efficient for relatively large-scale simulations, while the lattice Boltzmann method provides one of the fastest transient computational fluid dynamics solvers. Both of these methods have been parallelized and coupled in a single code, allowing resolution of large-scale convection-driven solidification problems. The numerical model is validated against benchmark cases, extended to capture solute plumes in directional solidification and finally used to model alloy solidification of an entire differentially heated cavity capturing both microstructural and meso-/macroscale phenomena.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/98ea9fa8674b/11837_2018_3195_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/f2de92aa6087/11837_2018_3195_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/b385013b5740/11837_2018_3195_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/c8132b75eafb/11837_2018_3195_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/0ab3f7e786e9/11837_2018_3195_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/8eb12e3ce62a/11837_2018_3195_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/fa430d5b2eb7/11837_2018_3195_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/98ea9fa8674b/11837_2018_3195_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/f2de92aa6087/11837_2018_3195_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/b385013b5740/11837_2018_3195_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/c8132b75eafb/11837_2018_3195_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/0ab3f7e786e9/11837_2018_3195_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/8eb12e3ce62a/11837_2018_3195_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/fa430d5b2eb7/11837_2018_3195_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e13c/6394337/98ea9fa8674b/11837_2018_3195_Fig7_HTML.jpg

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引用本文的文献

1
Thermal dependence of large-scale freckle defect formation.大规模雀斑缺陷形成的热依赖性。
Philos Trans A Math Phys Eng Sci. 2019 Apr 22;377(2143):20180206. doi: 10.1098/rsta.2018.0206.

本文引用的文献

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Phase field model for three-dimensional dendritic growth with fluid flow.考虑流体流动的三维枝晶生长相场模型。
Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Oct;64(4 Pt 1):041602. doi: 10.1103/PhysRevE.64.041602. Epub 2001 Sep 20.
2
Lattice Boltzmann model for anisotropic liquid-solid phase transition.用于各向异性液-固相变的格子玻尔兹曼模型
Phys Rev Lett. 2001 Apr 16;86(16):3578-81. doi: 10.1103/PhysRevLett.86.3578.