Comparison of two analytical methods used to calculate sound radiation from radial vibration modes of a thick annular disk

Hyeongill Lee; Rajendra Singh

doi:10.1016/j.jsv.2004.11.002

Comparison of two analytical methods used to calculate sound radiation from radial vibration modes of a thick annular disk

Hyeongill Lee, Rajendra Singh

Ohio State University

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

Two analytical solutions for acoustic radiation from the radial structural modes of a thick annular disk with free boundaries are described. The far-field modal sound pressure is calculated first by using the Rayleigh integral formula and then obtained by treating the radiating surfaces as two cylindrical radiators. Modal sound power, radiation efficiency and directivity predictions are confirmed by using a boundary element code. Measured frequency responses also support the propsed theory.

Original language	English
Pages (from-to)	1210-1216
Number of pages	7
Journal	Journal of Sound and Vibration
Volume	285
Issue number	4-5
DOIs	https://doi.org/10.1016/j.jsv.2004.11.002
State	Published - 6 Aug 2005

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10.1016/j.jsv.2004.11.002

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title = "Comparison of two analytical methods used to calculate sound radiation from radial vibration modes of a thick annular disk",

abstract = "Two analytical solutions for acoustic radiation from the radial structural modes of a thick annular disk with free boundaries are described. The far-field modal sound pressure is calculated first by using the Rayleigh integral formula and then obtained by treating the radiating surfaces as two cylindrical radiators. Modal sound power, radiation efficiency and directivity predictions are confirmed by using a boundary element code. Measured frequency responses also support the propsed theory.",

author = "Hyeongill Lee and Rajendra Singh",

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AU - Singh, Rajendra

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N2 - Two analytical solutions for acoustic radiation from the radial structural modes of a thick annular disk with free boundaries are described. The far-field modal sound pressure is calculated first by using the Rayleigh integral formula and then obtained by treating the radiating surfaces as two cylindrical radiators. Modal sound power, radiation efficiency and directivity predictions are confirmed by using a boundary element code. Measured frequency responses also support the propsed theory.

AB - Two analytical solutions for acoustic radiation from the radial structural modes of a thick annular disk with free boundaries are described. The far-field modal sound pressure is calculated first by using the Rayleigh integral formula and then obtained by treating the radiating surfaces as two cylindrical radiators. Modal sound power, radiation efficiency and directivity predictions are confirmed by using a boundary element code. Measured frequency responses also support the propsed theory.

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M3 - Article

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ER -

Comparison of two analytical methods used to calculate sound radiation from radial vibration modes of a thick annular disk

Abstract

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