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Multidimensional non reflective boundary condition for CFD calculations applied to turboengine aeroacoustics prediction

机译:多维非反射边界条件用于CFD计算的涡轮发动机航空声学预测

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摘要

Today, a low noise level can be a discriminate factor in the commercial success of an aeronautical turboengine. Thus accurate acoustic predictions during the design phase of the machine are of major importance. One of the main aspects linked to the quality of the solution obtained by solving numerically the Euler or the Navier-Stokes equations concerns the wave reflection that can be brought about by standard treatment of boundary conditions.
机译:如今,低噪声水平已成为航空涡轮发动机在商业上取得成功的关键因素。因此,在机器的设计阶段进行准确的声学预测至关重要。与通过数值求解Euler方程或Navier-Stokes方程获得的解的质量有关的主要方面之一,是与边界条件的标准处理可能引起的波反射有关。

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