| 焊缝金属凝固元胞自动机模型的研究 |
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| 引用本文： | 黄安国,王永生,李志远. 焊缝金属凝固元胞自动机模型的研究[J]. 焊接技术, 2003, 32(6): 13-15 |
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| 作者姓名： | 黄安国 王永生 李志远 |
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| 作者单位： | 华中科技大学,材料学院,湖北,武汉,430074 |
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| 摘 要： | 元胞自动机能够基于现象本身的物理机制，对于难以用数学方法定量描述的体系如微观组织的演变等具有良好的适用性。成功地将元胞自动机方法用于焊缝金属凝固组织的模拟中，不仅使数值方法应用于焊接领域的范围和深度进一步扩大，同时，也为更深入地揭示焊接熔池结晶中各种物理现象、探讨其机制打下基础。
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| 关 键 词： | 元胞自动机 微观组织 数值模拟 结晶 焊缝金属 凝固 |
| 文章编号： | 1002-025X(2003)06-0013-03 |
| 修稿时间： | 2003-04-12 |
Study on cellular automation model during weld metal solidifying |
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| HUANG An-guo,WANG Yong-sheng and LI Zhi-yuan. Study on cellular automation model during weld metal solidifying[J]. Welding Technology, 2003, 32(6): 13-15 |
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| Authors: | HUANG An-guo WANG Yong-sheng LI Zhi-yuan |
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| Abstract: | Based upon physical background of the concerned model,cellular automaton is suitable to deal with the complex dynamic systems which are difficult to be described quantitatively by mathematical method.Applications of cellular automaton to field of metal solidification have been introduced in this paper,which shows cellular automaton is a powerful tool for materials microstructure transformation.Finally the paper pointed out that cellular automaton method could be introduced not only to simulate weld metal solidification processing,but also provide some helpful theoretic suggestions for discovering various phenomena during welding pool solidifying. |
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| Keywords: | cellular automaton microstructure mathematical simulation solidify |
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