3D Calculation with Compressible LES for Sound Vibration of Ocarina

Details 3D Calculation with Compressible LES for Sound Vibration of Ocarina 3D Calculation with Compressible LES for Sound Vibration of Ocarina

2009-11-18

arxiv.org/abs/0911.3567v1

Physics

Computational Physics

8 pages, presented in Open Source CFD International Conference 2009

Scientific paper

Sounding mechanism is numerically analyzed to elucidate physical processes in air-reed instruments. As an example, compressible large-eddy simulations (LES) are performed on both two and three dimensional ocarina. Since, among various acoustic instruments, ocarina is known as a combined system consisting of an edge-tone and a Helmholtz resonator, our analysis is mainly devoted to the resonant dynamics in the cavity. We focused on oscillation frequencies when we blow the instruments with various velocities.

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