PARTIALLY REFLECTING AND NON-REFLECTING BOUNDARY CONDITIONS FOR SIMULATION OF COMPRESSIBLE VISCOUS FLOW

机译：部分反射和非反射边界条件，用于模拟可压缩粘性流动

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The standard characteristics-based boundary conditions for compressible viscous flow are analyzed analytically. It is found that this formulation exhibits an acoustic reflection factor approaching unity for low frequencies. A novel formulation for boundary conditions, which should appear fully non-reflecting to plane acoustic waves, was derived, implemented and successfully validated with Large Eddy Simulation.

机译：分析地分析了用于可压缩粘性流动的标准特征的边界条件。发现该配方表现出用于低频的统一的声学反射因子。推导，实现并成功地验证了大型涡流模拟，推导出衍生出完全非反射到平面声波的边界条件的新型制剂。

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《International Congress on Sound and Vibration》|2004年||共8页
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Wolfgang Polifke; Cliff Wall;
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中图分类 TB53-53;
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PARTIALLY REFLECTING AND NON-REFLECTING BOUNDARY CONDITIONS FOR SIMULATION OF COMPRESSIBLE VISCOUS FLOW

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