WAVE-PROPAGATION IN FLUID-LOADED, TRANSVERSELY ISOTROPIC CYLINDERS .2. NUMERICAL RESULTS

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 correspond ing to the flexural mode, the longitudinal mode, and the circumferenti al mode. Since propagation modes are of primary interest, branches ext ending into the imaginary and complex wave-number domain are not inclu ded in this study. Numerical results for an isotropic (linearly elasti c) rubber cylinder are compared to the results for a highly anisotropi c, fiber-reinforced cylinder. The material properties of the rubber cy linder are identical to the properties of the matrix material of the f iber-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 propa gation in the isotropic cylinder. (C) 1996 Acoustical Society of Ameri ca.