对于热效应不大的反应，用一维和二维模型计算的结果是相近的。
When the thermal effect of the reaction is not large, the results obtained from these models are close to each other.
二维模型计算网格采用正交曲线网格，具有网格布置灵活和贴合边界等优点。
The body fitted orthogonal curvilinear grid was applied in the 2d model, when has the advantages of flexible location and fitting to the irregular boundaries.
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.
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