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A splitting method for the isentropic Baer-Nunziato two-phase flow model

机译:等熵Baer-Nunziato两相流模型的分裂方法

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In the present work, we propose a fractional step method for computing approximate solutions of the isentropic Baer-Nunziato two-phase flow model. The scheme relies on an operator splitting method corresponding to a separate treatment of fast propagation phenomena due to the acoustic waves on the one hand and slow propagation phenomena due to the fluid motion on the other. The scheme is proved to preserve positive values of the statistical fractions and densities. We also provide two test-cases that assess the convergence of the method.
机译:在目前的工作中,我们提出了一种分步方法来计算等熵Baer-Nunziato两相流模型的近似解。该方案依赖于一种运算符划分方法,该方法对应于一方面对由于声波引起的快速传播现象而另一方面由于流体运动引起的缓慢传播现象的单独处理。证明该方案保留了统计分数和密度的正值。我们还提供了两个测试用例,用于评估方法的收敛性。

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