Measurement of violin plate vibration by acoustical holography using boundary element method
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概要
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In this study, we measure the vibrations of the unattached free violin top plate and back plate. We apply the pressure-based conformal holography with a hologram and a source surface coupling (PCHHS) as BEM-based acoustical holography in order to measure the vibration eigenmodes of the actual arching violin plates. We reconstruct and visualize the distributions of the sound pressure and the particle velocity on the surface of the violin plate from the measured hologram data in the sound field. The important vibration eigenmodes to know the acoustic characteristics of the violin plates are clearly reconstructed with good resolution.
- 社団法人日本音響学会の論文
著者
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Fushimi Akira
Institute Of Engineering Mechanics And Systems University Of Tsukuba
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Nagai Keinosuke
Institute Of Engineering Mechanics And Systems University Of Tsukuba
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Nagai Keinosuke
Institute Of Applied Physics University Of Tsukuba
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Mizutani Koichi
Institute Of Engineering Mechanics And Systems University Of Tsukuba
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Mizutani Koichi
Institute Of Applied Physics University Of Tsukuba
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Fishimi Akira
Institute of Engineering Mechanics and Systems, University of Tsukuba
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