Numerical study on sound vibration of an air-reed instrument with compressible LES

Details Numerical study on sound vibration of an air-reed instrument with compressible LES Numerical study on sound vibration of an air-reed instrument with compressible LES

2010-05-19

arxiv.org/abs/1005.3413v1

Physics

Fluid Dynamics

10 pages, 14 figures

Scientific paper

Acoustic mechanics of air-reed instruments is investigated numerically with compressible Large-eddy simulation (LES). Taking a two dimensional air-reed instrument model, we have succeeded in reproducing sound oscillations excited in the resonator and have studied the characteristic feature of air-reed instruments, i.e., the relation of the sound frequency with the jet velocity described by the semi-empirical theory developed by Cremer & Ising, Coltman and other authors based on experimental results.

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