泡沫金属微结构演化的多相场模拟
Multi-phase-field modeling of microstructure evolution in metallic foams
摘要：
本文提出了一种基于多相场（MPF）方法的泡沫金属微结构形成模型。通过在该MPF框架内使用非聚结边界条件，可以完全防止气泡的聚结，从而专注于形成封闭的多孔微观结构。这种非润湿性标准的修改允许受控的聚结起始和开放结构的演变。该方法是有效的，并用于模拟泡沫结构的形成在二维和三维。
英文摘要：
This paper represents a model for microstructure formation in metallic foams based on the multi-phase-field (MPF) approach. By the use of a no-coalescence boundary condition within this MPF-framework, it is possible to completely prevent coalescence of bubbles and thus focus on the formation of a closed porous microstructure. A modification of this non-wetting criterion allows for the controlled initiation of coalescence and the evolution of open structures. The method is validated and used to simulate foam structure formation both in two and three dimensions.
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