Axially Symmetric Waves in Transversely Isotropic Rods
作者:
Y. Mengi,
H. D. McNiven,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1971)
卷期:
Volume 50,
issue 1B
页码: 248-257
ISSN:0001-4966
年代: 1971
DOI:10.1121/1.1912624
出版商: Acoustical Society of America
数据来源: AIP
摘要:
In this study, a three‐mode approximate theory governing axisymmetric motions in transversely isotropic rods is developed. The development of this approximate theory follows closely the method adopted by Mindlin and McNiven when they developed a three‐mode theory for isotropic rods. There is, however, one significant departure. After the generalized displacements and generalized strains are defined, the equilibrium and constitutive equations and the kinematic relations are derived using a variational theorem due to Hu and Washizu. The approximate theory is analyzed numerically for two transversely isotropic materials, and spectral lines derived from the theory are compared with those from the exact three‐dimensional theory.
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