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can Fluent do aeroacoustics??

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Old   February 18, 2002, 04:57
Default can Fluent do aeroacoustics??
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jonathan
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hi, i am currently looking for a commercial software that can specifically solve for the aeroacoustics siganatures that some directly from the exhaust of an airplane exhaust outlet and/or the aeroacoustics noise that comes from the engine stator-rotor interaction.

I heard that Fluent 6.0 has such capability. is that true? please do enlighten. thanks
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Old   February 18, 2002, 07:36
Default Re: can Fluent do aeroacoustics??
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Jonas Larsson
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Very few, if any, commercial codes can do this today.

Fluent is working on implementing Lighthill etc., but I'd expect them to be far away from an aero-acoustic tool that can predict what you want. Aero-acoustic simulations demand much better numerics, with high order dispersion relation preserving schemes and "super absorbing" boundary conditions with "sponge layers" - Fluent has neither afaik.

We are currently using only in-house tools, based on linearised euler methods, for this type of simulations.
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