Abstract
In this paper, an underwater structure is modeled as a cylindrical shell with internal bulkheads, and closed by a truncated conical shell, and it consists of metal substrate and sound absorbing coating, whose FGM core is considered. Suppose the inner cavity and outer space of the structure are filled with air and fluid mediums, the mechanical response of the underwater structure is calculated with Galerkin method while the acoustic response is investigated by means of the Helmholtz integral. Some numerical examples are given and the effect of geometrical size and material parameters on mechanical and acoustic response is discussed.
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The authors wish to thank reviewers for their valuable comments and the research is supported by the National Natural Science Foundation of China (No. 11372105) and the New Century Excellent Talents Program in University (No. NCET-13-0184).
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Weng, X., Zhu, S., Dai, H. et al. Mechanical and acoustic response of an underwater structure subjected to mechanical excitation. Acta Mech. Solida Sin. 27, 284–299 (2014). https://doi.org/10.1016/S0894-9166(14)60037-9
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DOI: https://doi.org/10.1016/S0894-9166(14)60037-9