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在利用气 动格式模拟谐振腔内非线性声振荡行为的基础上建立了声流分析的气-动格式模型,并模拟了声谐振腔内的二维瞬时流场及平均流场(声流).重点研究了有限振幅非线性情况下,激波对轴向速度、径向速度及流场的影响,进而分析了速度反转、涡流、不规则Rayleigh流等非线性现象形成的原因.

参考文献

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[3] Nabavi, M;Siddiqui, K;Dargahi, J .Analysis of regular and irregular acoustic streaming patterns in a rectangular enclosure[J].Wave Motion: An International Journal Reporting Research on Wave Phenomena,2009(5):312-322.
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