A physics based multiscale modeling of cavitating flows

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• 作者：Jingsen Ma ^{jingsen@dynaflow-inc.com} ; Chao-Tsung Hsiao ^{ctsung@dynaflow-inc.com} ; Georges L. Chahine ; ^{glchahine@dynaflow-inc.com}
• 关键词：Cavitation ; Discrete singularity model ; Level set ; Multiscale ; Transition
• 刊名：Computers & Fluids
• 出版年：2017
• 出版时间：2 March 2017
• 年：2017
• 卷：145
• 期：Complete
• 页码：68-84
• 全文大小：7831 K
• 卷排序：145

文摘

A multiscale model handling both microbubbles and large cavities in flow is developed. A discrete singularity model is used to track microbubbles at microscale. A continuum model with level set method is used to capture large cavity at macroscale. An inter-scales transition scheme is used to bridge the micro and macro scales. The model is applied to simulate cavitating flows from inception to super cavitation.