Acoustic surface waves near bodies covered by a shock-absorbing layer

被引:0
|
作者
Gvozdovskaya, N.I.
Plis, A.I.
机构
来源
Prikladnaya Matematika i Mekhanika | 1993年 / 57卷 / 03期
关键词
Acoustic wave absorption - Acoustic wave velocity - Boundary value problems - Coatings - Cylinders (shapes) - Dispersion (waves) - Numerical analysis - Shock absorbers - Surface waves - Surfaces;
D O I
暂无
中图分类号
O42 [声学]; TB5 [声学工程];
学科分类号
0702 ; 070206 ; 082403 ;
摘要
Are considered waves, appearing at the surface of bodies, covered by a thin compressible layer, and rapidly damping with removal from the surface. Shock-absorbing layer is simulated by the nonclassical boundary conditions, obtained by other authors. It is shown that near the body may propagate the waves, localized inside a some layer, the thickness of which depends, in particular, on the mechanical properties of the coating. Surface waves are considered, which are produced in a plane and circular waveguides, formed by two rigid walls, covered by a shock-absorbing layer, and by a cylinder, covered inside and outside by an analogous layer, correspondingly.
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页码:163 / 168
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