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Abstract

This article discusses the three different modeling approaches for grain structures formed during solidification of metallic alloys: direct modeling of dendritic structure, direct modeling of grain structure, and indirect modeling of grain structure. The main construction bases, the scale at which it applies, and the mathematical background are presented for each modeling approach. The article concludes with a table that presents a comparison of the main inputs/outputs, approximations, numerical methods, kinetics laws, and applications for the three approaches to modeling of dendritic grain solidification.

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Ch.-A. Gandin, A. Jacot, Modeling of Dendritic Grain Solidification, Metals Process Simulation, Vol 22B, ASM Handbook, Edited By D.U. Furrer, S.L. Semiatin, ASM International, 2010, p 228–239, https://doi.org/10.31399/asm.hb.v22b.a0005521

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