Sound radiation from shear deformable stiffened laminated plates

被引：54
|
作者：
Cao, Xiongtao [1 ]
Hua, Hongxing [1 ]
Zhang, Zhiyi [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Mech Syst & Vibrat, Shanghai, Peoples R China
来源：
JOURNAL OF SOUND AND VIBRATION | 2011年 / 330卷 / 16期
关键词：
WAVE-NUMBER-SPACE; ACOUSTIC RADIATION; CYLINDRICAL-SHELLS; SANDWICH PLATES; VIBRATION; PROPAGATION; COMPOSITE;
D O I：
10.1016/j.jsv.2011.04.016
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Sound radiation from shear deformable stiffened laminated plates is studied theoretically. The equations of motion for the composite laminated plate are derived on the basis of the first-order shear deformation plate theory. Two sets of parallel stiffeners interact with the laminated plate only through the normal line forces. By using the Fourier wavenumber transform and the stationary phase method, the far-field sound pressure is described analytically. Sound pressure given by the first-order shear deformation plate theory and the classical thin plate theory is compared, and the differences of sound pressure are shown in the high frequency range for an isotropic plate. Sound pressure and the transverse displacement spectra are presented to illustrate the effects of force location, stiffeners and angle-ply layers. Sound radiation from symmetric and antisymmetric composite plates with multiple loadings is also investigated. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4047 / 4063
页数：17
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