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Material type: 文書・図像類

Author: Kuratani, Fほか

Publisher: IOP Publishing

Publication date: 2016-09

Material Format: Digital

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Note (General)：: Cymbals are thin domed plates used as percussion instruments. When cymbals are struck, they vibrate and radiate sound. Cymbals are made through spin f...

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Material Type: 文書・図像類
Title: publisher
Author/Editor: Kuratani, F
Yoshida, T
Koide, T
Mizuta, T
Osamura, K
Author Heading: Kuratani, F
Yoshida, T
Koide, T
Mizuta, T
Osamura, K
Publication, Distribution, etc.: IOP Publishing
Publication Date: 2016-09
Publication Date (W3CDTF): 2016-09
Alternative Title: Understanding the effect of hammering process on the vibration characteristics of cymbals
Periodical title: Journal of Physics : Conference Series
No. or year of volume/issue: 744 1
Volume: 744
Issue: 1
Pages: 12110-
ISSN (Periodical Title): ISSN : 1742-6596
Text Language Code: eng
Target Audience: 一般
Note (General): Cymbals are thin domed plates used as percussion instruments. When cymbals are struck, they vibrate and radiate sound. Cymbals are made through spin forming, hammering, and lathing. The spin forming creates the basic shape of the cymbal, which determines its basic vibration characteristics. The hammering and lathing produce specific sound adjustments by changing the cymbal's vibration characteristics. In this study, we study how hammering cymbals affects their vibration characteristics. The hammering produces plastic deformation (small, shallow dents) on the cymbal's surface, generating residual stresses throughout it. These residual stresses change the vibration characteristics. We perform finite element analysis of a cymbal to obtain its stress distribution and the resulting change in vibration characteristics. To reproduce the stress distribution, we use thermal stress analysis, and then with this stress distribution we perform vibration analysis. These results show that each of the cymbal's modes has a different sensitivity to the thermal load (i.e., hammering). This difference causes changes in the frequency response and the deflection shape that significantly improves the sound radiation efficiency. In addition, we explain the changes in natural frequencies by the stress and modal strain energy distributions.
Access Restrictions: 限定公開
Rights (production): licence by IOP Publishing Ltd
Related Material (DOI): 10.1088/1742-6596/744/1/012110
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ