Abstract
The Ritz method is used to obtain the dispersion curves for the problem of torsional-wave propagation in anisotropic bars of infinite length and rectangular cross section. The first three dispersion curves are presented for orthotropic, tetragonal, hexagonal, cubic, and isotropic bars with several ratios of width to depth. The displacements corresponding to various dimensionless phase velocities are presented and discussed in some detail. The investigation is an extension of previous work [J. Acoust. Soc. Am. 40, 1501 (1966); 43, 958 (1968); 46, 639 (1969)] in elastic-wave propagation.
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