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IssuesArchive of Issues2008-2pp.261-268

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N. K. Akhmedov, "Propagation of torsional waves in a radially layered cylindrical waveguide," Mech. Solids. 43 (2), 261-268 (2008)
Year 2008 Volume 43 Number 2 Pages 261-268
DOI 10.3103/S002565440802012X
Title Propagation of torsional waves in a radially layered cylindrical waveguide
Author(s) N. K. Akhmedov (Baku State University, Zahida Halilova 23, Baku, AZ 1000, Azerbaijan, natig_akhmedov@mail.ru)
Abstract It was shown in [1-3] that the spectrum of homogeneous solutions for layered bodies with alternating rigid and soft layers splits into the "lower" and "higher" parts. Moreover, the "lower" part is always associated with some applied theory. In [4], the method developed in [1-3] is generalized to problems of steady torsional vibrations of a radially inhomogeneous cylinder and to the dynamic case of the applied theory constructed in [2].

In the present paper, we use analytic and numerical methods to study the propagation of torsional waves in a radially layered cylindrical waveguide.
References
1.  Yu. A. Ustinov, "On the Structure of the Boundary Layer in Laminar Slabs," Dokl. Akad. Nauk SSSR 229 (2), 325-328 (1976) [Sov. Phys. Dokl. (Engl. Transl.) 21 (2), 414-417 (1976)].
2.  N. K. Akhmedov and Yu. A. Ustinov, "On St. Venant's Principle in the Torsion Problem for a Laminated Cylinder," Prikl. Mat. Mekh. 52 (2), 264-268 (1988) [J. Appl. Math. Mech. (Engl. Transl.) 52 (2), 207-210 (1988)].
3.  N. K. Akhmedov, "Analysis of the Boundary Layer in the Axisymmetric Problem of the Theory of Elasticity for a Radially Multilayered Cylinder and the Propagation of Axisymmetric Waves," Prikl. Mat. Mekh. 61 (5), 863-872 (1997) [J. Appl. Math. Mech. (Engl. Transl.) 61 (5), 833-842 (1997)].
4.  N. K. Akhmedov and Yu. A. Ustinov, "Torsional Vibrations and Waves in a Layered Cylinder," Izv. Akad. Nauk SSSR. Mekh. Tverd. Tela, No. 2, 92-98 (1991) [Mech. Solids (Engl. Transl.)].
5.  A. I. Lurie, Theory of Elasticity (Nauka, Moscow, 1970) [in Russian].
6.  N. Dunford and J. T. Schwartz, Linear Operators. Part 1: General Theory (Interscience Publishers, New York, 1958; Izd. Inostr. Lit., Moscow, 1962).
7.  M. M. Vainberg and V. A. Trenogin, Theory of Branching of Solutions of Non-Linear Equations (Nauka, Moscow, 1969; Noordhoff, Leyden, 1974).
8.  M. I. Vishik and L. A. Lyusternik, "The Solution of Some Perturbation Problems for Matrices and Selfadjoint or Non-Selfadjoint Differential Equations I," Uspekhi Mat. Nauk 15 (3), 3-80 (1960) [Russ. Math. Surveys (Engl. Transl) 15 (3), 1-73 (1960)].
9.  S. K. Godunov, "Numerical Solution of Boundary-Value Problems for Systems of Linear Ordinary Differential Equations," Uspekhi Mat. Nauk 16 (3), 171-174 (1961).
Received 20 November 2006
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