trying to figure out difference between harmonic and aero-acoustics while studying different noise models in fluent..
Harmonic Vibrations and Acoustics:
Analysis of noise generated by vibrating structural components, the transmission of sound through thin panels, the acoustic performance of piezoelectric devices, etc.
Aero-acoustics:
Analysis of the noise generated by turbulent fluid flow or interaction of aerodynamic forces with surfaces.
Aeroacoustics analysis is the study of noise generation through turbulent fluid motion or some aerodynamic forces that interacting with surfaces. Noise generation could be associated with periodically changing flows, while Acoustic Analysis is the measurement of sound waves caused by component contacts inside the equipment. It is a term commonly used in other fields such as the music recording industry, but its application in monitoring bearing lubrication is relatively new.
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