FREE-VIBRATION OF COMPOSITE CYLINDRICAL POLYGONAL DUCTS

被引：1
|
作者：
LEE, HP
机构：
[1] Department of Mechanical and Production Engineering, National University of Singapore, Singapore, 0511
来源：
COMPOSITE STRUCTURES | 1994年 / 29卷 / 04期
关键词：
D O I：
10.1016/0263-8223(94)90108-2
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A simple numerical method using the Rayleigh-Ritz principle is presented for computing the natural frequencies and mode shapes of cylindrical polygonal ducts constructed from composite materials. The duct creases are assumed to be parallel to one of the principal axes of orthotropy. Numerical results are presented for triangular and square cylindrical ducts with various degrees of orthotropy.
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页码：399 / 403
页数：5
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