ATTENUATION ALONG THE POYNTING VECTOR DIRECTION OF INHOMOGENEOUS PLANE WAVES IN ANISOTROPIC SOLIDS

机译：各向异性固体中非均匀平面波在矢量方向上的衰减

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It is concluded from this study that the amplitude decay of the homogeneous plane wave, which is attenuated along the Poynting vector, is only due to absorption issued from viscoelasticity. Inspection of this attenuation for various angles of propagation or for various materials make then possible the comparison, in order to quantify the relative degree of attenuation between them. In addition, an investigation involving the ray theory for absorbing solids should be initiated on the basis of the present study. This work will generalise the Green function calculations of the acoustic response for any semi-infinite anisotropic and absorbing media.

机译：从这项研究得出的结论是，沿Poynting矢量衰减的同质平面波的幅度衰减仅归因于粘弹性引起的吸收。然后，对于各种传播角度或各种材料的这种衰减的检查使得进行比较成为可能，以便量化它们之间的相对衰减程度。另外，应在本研究的基础上开始一项涉及吸收固体的射线理论的研究。这项工作将推广对任何半无限各向异性和吸收介质的声学响应的格林函数计算。

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来源
《Annual Symposium on Quantitative Nondestructive Evaluation; 19980719-24; Snowbird,UT(US)》|1998年|P.111-117|共7页
会议地点 SnowbirdUT(US)
作者
M. Deschamps;
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Universite Bordeaux I Laboratoire de Mecanique Physique, ESA C.N.R.S. 5469 351 Cours de la Liberation 33405 Talence cedex, France;

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正文语种 eng
中图分类无损探伤仪器;
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1. Attenuation along the poynting vector direction of inhomogeneous plane waves in absorbing and anisotropic solids [J] . Deschamps M., Assouline F. Acustica . 2000,第2期

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4. ATTENUATION ALONG THE POYNTING VECTOR DIRECTION OF INHOMOGENEOUS PLANE WAVES IN ANISOTROPIC SOLIDS [C] . M. Deschamps Annual Symposium on Quantitative Nondestructive Evaluation . 1999

机译：沿各向异性固体中的非均匀平面波的Poynting载体方向衰减
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ATTENUATION ALONG THE POYNTING VECTOR DIRECTION OF INHOMOGENEOUS PLANE WAVES IN ANISOTROPIC SOLIDS

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