Abstract
Based on the classical laminated plate theory, the vibroacoustic behavior of a simply supported finite orthotropic double-composite plate with enclosed air cavity is investigated analytically. Using the method of modal decomposition, a double Fourier series solution is obtained to characterize the vibroacoustic performance of the structure. The sound transmission loss (STL) is calculated from the ratio of incident to transmitted acoustic powers. The insulation ability of finite double-composite plate is shown. Specifically, the focus is placed on the effects of several key system parameters on sound transmission loss including the composite materials, the laminate configurations, the faceplate thickness, as well as the air cavity thickness. All of them are systematically examined.
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This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number: 107.02-2018.07.
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Thanh, P.N., Thinh, T.I. (2020). Vibroacoustic Response of a Finite Simply Supported Double-Composite Plate Filled with an Air Cavity. In: Sattler, KU., Nguyen, D., Vu, N., Tien Long, B., Puta, H. (eds) Advances in Engineering Research and Application. ICERA 2019. Lecture Notes in Networks and Systems, vol 104. Springer, Cham. https://doi.org/10.1007/978-3-030-37497-6_83
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DOI: https://doi.org/10.1007/978-3-030-37497-6_83
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