Excitation of elastic waves in half-space with periodic surface undulations

被引：0

作者：

Danilov, VN ^{[1
]}

Samedov, YY ^{[1
]}

机构：

[1] FGUP, Cent Res Inst Heavy Machinery, Moscow, Russia

来源：

RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING | 2003年 / 39卷 / 11期

关键词：

Transverse Wave; Longitudinal Wave; Calculation Result; Harmonic Function; Elastic Wave;

D O I：

10.1023/B:RUNT.0000023749.34166.43

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The components of the displacement of elastic waves excited by a normal transducer in half-space with periodic surface undulations is calculated by the perturbation method within the framework of the two-dimensional model. The numerical examples of the calculation results obtained for a surface described by harmonic functions are given. The phenomenon of transformation of longitudinal waves into transverse waves on periodic surface undulations, which has been revealed earlier, is confirmed. As a result of this phenomenon, transverse waves are emitted in the direction of the normal to the plane of the transducer at its center.

引用

页码：811 / 823

页数：13

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