Abstract
Based on the simplified Third Order Shear Deformation Theory (TSDT), The sound radiation properties of a moderate laminated composite rectangular plate was deduced, In order to validate the proposed method, the result was compared with the finite element method. The advantages of TSDT was demonstrated by comparing the result with traditional CLPT (classical laminated plate theory) and FSDT (first shear deformation theory). And, by changing Youngs modulus; shear modulus; lamina thickness; and, fibre orientation angle, the main parameters and the variation in different frequency bands were obtained, this was a reference for underwater typical structure sound radiation and noise control.
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