Analysis of granular flow by Cellular Automata

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  • セルオートマトン法による粒状体の流れの解析に関する研究
  • セルオートマトンホウ ニ ヨル リュウジョウタイ ノ ナガレ ノ カイセキ ニ カンスル ケンキュウ

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The objective of this study is to propose a new method to simulate the granular flow with Cellular Automata (CA). First, it is demonstrated through the preparatory numerical experiment that Moore-neighborhood is reasonable as a basic rule to realize the effect of gravity. However, the rule in which only the effect of gravity is taken into consideration is not satisfactory. Then, the effect of friction between the grains and between the grain and wall is combined into the rule. Rice grains are used in the experiment of granular flow. The results of experiment of granular flow are compared with the simulation by the method proposed in this study.

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