Gerasik V. Unstable wave processes in non-homogeneous medium with flat border

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0404U004564

Applicant for

Specialization

  • 01.02.04 - Механіка деформівного твердого тіла

22-04-2004

Specialized Academic Board

К 11.051.05

Essay

The dissertation is devoted to the research of the unstable elastic wave fields in non-homogeneous medium with flat border, such as elastic half-space, elastic half-space contacting with acoustic medium, in particular, layer, including a case of constant horizontal velocity movement of acoustic medium or layer, reasoned by internal, acoustic point non-stationary sources. Numerical and analytical decisions has been obtained without application of zone approximations, results of the analysis of these decisions are offered. Particularly, the non-stationary Raleigh and Stoneley surface waves are investigated; Stoneley equation is generalised for the case of horizontal movement of acoustic medium (or layer).

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