Stirring of substrates may accelerate the heterogeneous nucleation and growth of the melt.
衬底的搅拌可加速熔体的非自发成核和长大。
Based on the cellular automata technique, the heterogeneous nucleation model, dendrite growth model and random nucleation model are used to simulate the formation of equiaxed and columnar dendrite.
通过引入异质形核模型、枝晶生长模型、几率形核基底模型，借鉴单元自动生长机制，仿真了等轴晶、柱状晶组织形成的过程。
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