采用相场模型和有限差分方法，模拟了过冷纯金属熔体的枝晶生长，计算区域为二维正方形均匀网格。
Dendrite growth has been simulated with the phase field method and finite difference schemes on a two dimensional rectangular domain with a uniform square mesh.
在实际晶体生长过程中，熔体对流对晶体生长的影响是不可避免的，因此本文研究有对流作用的晶体生长问题。
In a realistic crystal growth system, convection in melt is always unavoidable, therefore, the paper studies the crystal growth with the effect of convection in melt.
基性熔体的下垫作用是地壳生长的一种重要方式，并且代表了一种有效的幔向壳的物质与能量迁移。
Underplating of basic melt beneath the crust is one of the most important patterns of crust growth and represents an effective material and energy transfer from the mantle to the crust.
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