The acoustic response of stiffened plates
The acoustic response of stiffened plates
For acoustic fatigue and other applications, including sound transmission through panels, one feature is the means in which acoustic excitation produces the subsequent structural response. This study revisits the acoustic excitation of stiffened flat homogeneous plates using an approximate model for evaluating the modal characteristics. Excitation of the modes are considered and compared to the formulation of the Joint Acceptance for plane wave harmonic acoustic excitation. The latter being typically used for single panels or more general aerospace structural configurations. Numerical simulations are then given. These illustrate the effect of the stiffeners on the resulting displacement and stress response, in comparison to both stiffened and separately orthogonally stiffened plate arrangements. In addition, the paper interprets and highlights the effect of the surface area, angle of incidence and contribution of different mode to the behaviour.
Zhao, Dong
68edf852-499c-451b-9f75-041af9dd96ed
25 July 2019
Zhao, Dong
68edf852-499c-451b-9f75-041af9dd96ed
Zhao, Dong
(2019)
The acoustic response of stiffened plates.
In Journal of Physics: Conference Series.
vol. 1264,
IOP Publishing.
12 pp
.
(doi:10.1088/1742-6596/1264/1/012041).
Record type:
Conference or Workshop Item
(Paper)
Abstract
For acoustic fatigue and other applications, including sound transmission through panels, one feature is the means in which acoustic excitation produces the subsequent structural response. This study revisits the acoustic excitation of stiffened flat homogeneous plates using an approximate model for evaluating the modal characteristics. Excitation of the modes are considered and compared to the formulation of the Joint Acceptance for plane wave harmonic acoustic excitation. The latter being typically used for single panels or more general aerospace structural configurations. Numerical simulations are then given. These illustrate the effect of the stiffeners on the resulting displacement and stress response, in comparison to both stiffened and separately orthogonally stiffened plate arrangements. In addition, the paper interprets and highlights the effect of the surface area, angle of incidence and contribution of different mode to the behaviour.
Text
Zhao_2019_J._Phys.__Conf._Ser._1264_012041
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Accepted/In Press date: 31 May 2019
Published date: 25 July 2019
Identifiers
Local EPrints ID: 475232
URI: http://eprints.soton.ac.uk/id/eprint/475232
ISSN: 1742-6596
PURE UUID: a8236e0d-f3a2-4b4b-ad70-2f3b0c512a38
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Date deposited: 14 Mar 2023 17:46
Last modified: 24 Apr 2024 02:02
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Author:
Dong Zhao
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