Vibratory and acoustic characteristics of automatically performing bell

Daishi Ueno, Kazuhide Ohta, Yuriko Matsuo, Guangze Zheng

Research output: Contribution to journalArticle

Abstract

An automatically performing bell system, which informed the specified time with music, has many types of bell configuration and arrangement. The first requirement for the bell system is to tune the fundamental resonance frequencies of each bell to an equal temperament of scale. Finite Element Method (FEM) was used to determine the natural frequency of the bell and the effect of bell profile such as thickness and diameter on the natural frequencies was analyzed. Experimental evaluation was also carried out to examine the natural frequencies and mode shapes of the similar profile bell series and constant thickness bell series. The tuning algorithm of the fundamental and higher mode frequencies by changing the inner profile of the bell to improve the sound quality was developed using FEM successive calculation and its availability was discussed. Moreover, the acoustic radiation properties of the vibrating bell were examined by use of the Boundary Element Method.

Original languageEnglish
Pages (from-to)774-784
Number of pages11
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume77
Issue number775
Publication statusPublished - Dec 1 2011

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Acoustics
Natural frequencies
Finite element method
Boundary element method
Tuning
Availability
Acoustic waves
Radiation

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

Cite this

Vibratory and acoustic characteristics of automatically performing bell. / Ueno, Daishi; Ohta, Kazuhide; Matsuo, Yuriko; Zheng, Guangze.

In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 77, No. 775, 01.12.2011, p. 774-784.

Research output: Contribution to journalArticle

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