Numerical simulation demonstrates on-the-fly far-field acoustic turbulence prediction during near-field flow modeling, indicating substantially reduced computational storage requirements.
The paper presents a technology of predicting acoustic turbulence in a given field based on calculating the surface integral with delay. A specificity of the technology is that prediction of the farfield pulsations is carried out in the process of simulating the near-field flow. In doing so, we use all of the available discrete data for the numerical integration and avoid the necessity to store a huge amount of data on disks for the far-field estimation in the post-processing. The results on the test case simulating the acoustic monopole source in the subsonic flow are given.
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Bakhvalov et al. (2012) studied this question.
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