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追踪不可压缩两相流相界面的CLSVOF方法

Keywords: 相界面,气液两相流,CLSVOF方法,Level,Set方法,VOF方法

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Abstract:

根据CLSVOF方法的基本思想,将VOF和LevelSet两种方法结合起来,用于追踪不可压缩两相流相界面的计算。通过对经典的两相流流动问题的计算,研究了CLSVOF方法对对流输运方程和动量输运方程计算精度的影响,并与VOF方法和LevelSet方法进行了对比。研究结果表明:求解对流输运方程时,CLSVOF方法的计算精度明显高于LevelSet方法;求解动量输运方程时,CLSVOF方法产生的虚假速度接近于0,基本克服了利用VOF方法求解动量输运方程时的虚假速度势问题。

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