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JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive

1980, Volume 99

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Interference waves in layered media. Part I


Preface
2
Space-time ray method of the calculation of waves in slightly inhomogeneous layered medium
V. M. Babich, N. S. Grigor'ev
5
Dispersion of tube and Lamb waves, registered in acoustic logging
N. A. Burago, A. S. Ibatov, P. V. Krauklis, L. A. Krauklis
19
High-frequency point sources in an inhomogeneous elastic medium
A. P. Kiselev
28
On the solution uniqueness of boundary-contact acoustic problems for a plate-liquid system
D. P. Kouzov
43
The effect of absorption in the rock on Lamb wave attenuation
P. V. Krauklis, A. S. Ibatov
57
Nonlinear longitudinal waves in inhomogeneous rods
I. A. Molotkov, S. A. Vakulenko
64
On the characteristic matrices of the slightly bent elastic layers
L. A. Molotkov
74
On the investigation of the dispersion equation for the free transversal-isotropic elastic layer
L. A. Molotkov, U. Baimagambetov, N. S. Smirnova
85
On the investigation of the roots of dispersion equation for layered transversal-isotropic medium
L. A. Molotkov, U. Baimagambetov
104
The estimation of the velocity gradient of elastic waves by the interfered refracted wave
D. K. Ozerov
123
Nonstationary modes of a thin and curved waveguide in a multiray zone (the uniform asymptotics)
A. B. Plachenov
127
Excitation coefficients of the whispering gallery waves in a vicinity of concave boundary with curvature vanishing at a point
V. G. Krasavin, M. M. Popov
138
On some method of point source field calculation in waveguide
V. B. Philippov
146


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