A coupled map lattice model for dendrite in diffusion field

Masako Ohtaki, H. Honjo, H. Sakaguchi

    研究成果: Contribution to journalArticle

    5 引用 (Scopus)

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    We have newly performed simulations of a coupled map lattice model including surface tension for melt growth. We obtain a phase diagram of various patterns. An angular dendrite appears with a weak influence of the latent heat. The temperature profile near the tip in decreasing latent heat and in increasing undercooling shows the same tendency. From this, we explain the cause of the disagreement with V ∝ Ktip2, where V is tip velocity and Ktip is tip-curvature. In this model, the side-branches are generated from the temperature fluctuation that comes from the curvature defined with a matrix.

    元の言語英語
    ページ(範囲)159-163
    ページ数5
    ジャーナルJournal of Crystal Growth
    237-239
    発行部数1-4 I
    DOI
    出版物ステータス出版済み - 4 2002

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics
    • Inorganic Chemistry
    • Materials Chemistry

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