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Acoustic Simulation in Fluent (Pre-defined sound source)

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Old   October 30, 2012, 01:42
Default Acoustic Simulation in Fluent (Pre-defined sound source)
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As we know, in Fluent (with acoustic model turned on and by using the FWH solver) we can set surfaces as sound sources in order to calculate acoustic data (ex: dpdt RMS) at them, and to calculate sound pressure level at some predefined receivers. In addition to that, I need to include some predefined sound source; for example, i need to specify a surface that is already emitting sound (constant sound pressure level in dB) even before taking into consideration the simulation that will go on.

More specifically my problem in the following:
I'm running a simulation around an aircraft and i'm interested in the acoustic field at its airframe and the SPL at some receivers. However, in addition, I would like to have the engine emitting sound with constant SPL (dB) during the whole simulation. The point of the simulation is to see how the engine sound affects the acoustic field that is generated from the flow itself. Is that possible ??? thank you in advance.
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