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Article | REF: BR2022 V1

Digital aeroacoustics: sound sources and their radiation

Author: Serge LÉWY

Publication date: October 10, 2011

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4. From acoustic sources to sound radiation

4.1 Acoustic sources

Sound sources (loads on compressor blades, boundary layers on appendages, flow turbulence) are provided by numerical fluid mechanics CFD software, integrating the Euler or Navier-Stokes equations . The left-hand side of 3 summarizes the main classes of calculation, from the most complete and, of course, most time-consuming (top) to the most common and fastest (bottom):

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From acoustic sources to sound radiation
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