Theoritical modelling of sound radiation from plate
Recently the development of aerospace, automotive and building industries demands the use of lightweight materials such as thin plates. However, the plates can possibly add to significant vibration and sound radiation, which eventually lead to increased noise in the community. So, in this study, the...
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my.uthm.eprints.52612022-01-06T08:14:36Z http://eprints.uthm.edu.my/5261/ Theoritical modelling of sound radiation from plate Zaman, Izzuddin Mohd Rozlan, Syaiful Azmirul Shiau, Wei Chan Yusoff, A. TJ Mechanical engineering and machinery Recently the development of aerospace, automotive and building industries demands the use of lightweight materials such as thin plates. However, the plates can possibly add to significant vibration and sound radiation, which eventually lead to increased noise in the community. So, in this study, the fundamental concept of sound pressure radiated from a simply-supported thin plate (SSP) was analyzed using the derivation of mathematical equations and numerical simulation of ANSYS®. The solution to mathematical equations of sound radiated from a SSP was visualized using MATLAB®. The responses of sound pressure level were measured at far field as well as near field in the frequency range of 0–200 Hz. Result shows that there are four resonance frequencies; 12 Hz, 60 Hz, 106 Hz and 158 Hz were identified which represented by the total number of the peaks in the frequency response function graph. The outcome also indicates that the mathematical derivation correlated well with the simulation model of ANSYS® in which the error found is less than 10%. It can be concluded that the obtained model is reliable and can be applied for further analysis such as to reduce noise emitted from a vibrating thin plate. IOP Publishing 2017 Article PeerReviewed text en http://eprints.uthm.edu.my/5261/1/AJ%202017%20%28741%29.pdf Zaman, Izzuddin and Mohd Rozlan, Syaiful Azmirul and Shiau, Wei Chan and Yusoff, A. (2017) Theoritical modelling of sound radiation from plate. IOP Conference Series: Materials Science and Engineering, 165 (NIL). pp. 1-6. ISSN 1757-899X https://dx.doi.org/0.1088/1757-899X/165/1/012023 |
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TJ Mechanical engineering and machinery Zaman, Izzuddin Mohd Rozlan, Syaiful Azmirul Shiau, Wei Chan Yusoff, A. Theoritical modelling of sound radiation from plate |
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Recently the development of aerospace, automotive and building industries demands the use of lightweight materials such as thin plates. However, the plates can possibly add to significant vibration and sound radiation, which eventually lead to increased noise in the community. So, in this study, the fundamental concept of sound pressure radiated from a simply-supported thin plate (SSP) was analyzed using the derivation of mathematical equations and numerical simulation of ANSYS®. The solution to mathematical equations of sound radiated from a SSP was visualized using MATLAB®. The responses of sound pressure level were measured at far field as well as near field in the frequency range of 0–200 Hz. Result shows that there are four resonance frequencies; 12 Hz, 60 Hz, 106 Hz and 158 Hz were identified which represented by the total number of the peaks in the frequency response function graph. The outcome also indicates that the mathematical derivation correlated well with the simulation model of ANSYS® in which the error found is less than 10%. It can be concluded that the obtained model is reliable and can be applied for further analysis such as to reduce noise emitted from a vibrating thin plate. |
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Article |
author |
Zaman, Izzuddin Mohd Rozlan, Syaiful Azmirul Shiau, Wei Chan Yusoff, A. |
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Zaman, Izzuddin Mohd Rozlan, Syaiful Azmirul Shiau, Wei Chan Yusoff, A. |
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Zaman, Izzuddin |
title |
Theoritical modelling of sound radiation from plate |
title_short |
Theoritical modelling of sound radiation from plate |
title_full |
Theoritical modelling of sound radiation from plate |
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Theoritical modelling of sound radiation from plate |
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Theoritical modelling of sound radiation from plate |
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theoritical modelling of sound radiation from plate |
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IOP Publishing |
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2017 |
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http://eprints.uthm.edu.my/5261/1/AJ%202017%20%28741%29.pdf http://eprints.uthm.edu.my/5261/ https://dx.doi.org/0.1088/1757-899X/165/1/012023 |
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