Wave propagation in fluid-loaded, transversely isotropic cylinders .2. Numerical results

被引:10
|
作者
Berliner, MJ [1 ]
Solecki, R [1 ]
机构
[1] UNIV CONNECTICUT,DEPT MECH ENGN,STORRS,CT 06269
来源
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 1996年 / 99卷 / 04期
关键词
D O I
10.1121/1.415366
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
The frequency equation of a coupled system consisting of an infinitely long, fluid-loaded, homogeneous, transversely isotropic cylinder was derived in Part I [J. Acoust. Sec. Am. 99, 1841-1847 (1996)]. In this paper, Part n, the frequency spectra for the n=1 nonaxisymmetric modes of wave propagation are presented for hollow cylinders, fluid-filled cylinders, and cylinders that are fluid filled and immersed in fluid. These frequency spectra consist of the first three branches corresponding to the flexural mode, the longitudinal mode, and the circumferential mode. Since propagation modes are of primary interest, branches extending into the imaginary and complex wave-number domain are not included in this study. Numerical results for an isotropic (linearly elastic) rubber cylinder are compared to the results for a highly anisotropic, fiber-reinforced cylinder. The material properties of the rubber cylinder are identical to the properties of the matrix material of the fiber-reinforced cylinder. It is shown that the characteristics of wave propagation in the fiber-reinforced cylinder, with and without fluid loading, are markedly different from the characteristics of wave propagation in the isotropic cylinder. (C) 1996 Acoustical Society of America.
引用
收藏
页码:1848 / 1853
页数:6
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