Experimental study of the self-action of seismoacoustic waves

被引:0
|
作者
Zaitsev, VY [1 ]
Nazarov, VE [1 ]
Talanov, VI [1 ]
机构
[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603600, Russia
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D O I
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中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Results of held experiments on the self-action of seismoacoustic waves excited in the ground as a result of the transformation of a sound wave generated in water by a hydroacoustic transducer are presented. The effect is caused by the odd-type nonlinearity of the medium and manifests itself as the dependence of the wave velocity on the wave amplitude. To explain the observed dependences, a nonlinear equation of state of the medium and its rheological model are proposed, and their possible relation to the medium structure is discussed. The obtained results may be of interest for the development of new methods of rock monitoring.
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页码:720 / 726
页数:7
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