シンバルの振動特性に及ぼすハンマリング加工の効果

Material type: 文書・図像類

Author: Kuratani, Fumiyasuほか

Publisher: 社団法人日本機械学会

Publication date: 2017-07-06

Material Format: Digital

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Note (General)：: Cymbals are percussion instruments that vibrate and radiate sounds when hit with a stick or when used in pairs. The sound radiated from a cymbal depen...

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Material Type: 文書・図像類
Title: シンバルの振動特性に及ぼすハンマリング加工の効果
Author/Editor: Kuratani, Fumiyasu
Kitabayashi, Kento
Ogawa, Wataru
Yoshida, Tatsuya
Osamura, Kozo
Koide, Toshio
Monju, Yoshiyuki
Mizuta, Taiji
Author Heading: Kuratani, Fumiyasu
Kitabayashi, Kento
Ogawa, Wataru
Yoshida, Tatsuya
Osamura, Kozo
Koide, Toshio
Monju, Yoshiyuki
Mizuta, Taiji
Publication, Distribution, etc.: 社団法人日本機械学会
Publication Date: 2017-07-06
Publication Date (W3CDTF): 2017-07-06
Alternative Title: How the hammering process of cymbals affects their vibration characteristics
Periodical title: 日本機械学会論文集=Transactions of the JSME
No. or year of volume/issue: 83 251
Volume: 83
Issue: 251
Pages: 1-12
ISSN (Periodical Title): ISSN : 2187-9761
Text Language Code: jpn
Subject Heading: Modal analysis
Finite element anaysis
Cymbal
Hammering process
Frequency response function
Natural frequency
Stress distribution
Target Audience: 一般
Note (General): Cymbals are percussion instruments that vibrate and radiate sounds when hit with a stick or when used in pairs. The sound radiated from a cymbal depends on its vibration characteristics. Cymbals are made through spin forming, hammering and lathing processes. The spin forming creates the domed shape of cymbals, determining the basic vibration characteristics. The hammering and lathing make specific sound quality adjustments by changing the vibration characteristics. In this paper, we focus on how the hammering affects the cymbal's vibration characteristics. The hammering produces many shallow dents over the cymbal's surface, generating residual stresses in it. These residual stresses change the vibration characteristics. We perform finite element analysis of the hammered cymbal to obtain its vibration characteristics. In the analysis, we use thermal stress analysis to reproduce the stress distribution and then with this stress distribution we perform vibration analysis. The results show that the effects of thermal load (i.e., hammering) vary depending on the mode: an increase or decrease in the natural frequency. As a result, the peak frequencies and their peak values in the frequency response function change.
Access Restrictions: 限定公開
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