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Coupled level-set and immersed-boundary method for simulation of filling in a complex geometry based mold

机译:耦合水平设定和浸没边界法,用于填充基于复杂几何模具的填充

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摘要

A coupled level-set and immersed-boundary-method (CLSIBM) is proposed for simulation of liquid and gas phase flow during filling of a complex geometry based mold using a modified cut-cell technique. The CLSIBM uses Cartesian computational domain, with two level-set functions: phi(f1,f2) for liquid-metal and gas interface and phi(f,s) for liquid-metal/gas and solid (mold box) interface. The cut-cell based immersed boundary method enable us to handle any internal two-phase flow in complex geometry using a Cartesian grid. Numerical results are presented for filling in four different tanks/molds, demonstrating the robustness of the proposed method during mold filling in complex geometry mold box.
机译:提出了一种耦合水平设定和浸没边界 - 方法(CLSIBM),用于使用改进的切割单元技术填充基于复杂的几何形状的模具期间液体和气相流模拟。 CLSIBM使用笛卡尔计算域,具有两个级别设定功能:用于液态金属和气体接口的PHI(F1,F2)和用于液态金属/气体和固体(模具盒)界面的PHI(F,S)。 基于切割单元的浸没边界方法使我们能够使用笛卡尔栅格处理复杂几何形状中的任何内部两相流。 提供了用于填充四种不同罐/模具的数值结果,证明了在复杂几何模箱中的模具填充过程中提出的方法的鲁棒性。

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