REFLECTION AND REFRACTION OF A HETEROGENEOUS PLANE-WAVE BY A SOLID LAYER

被引:18
作者
DESCHAMPS, M
CHEVEE, P
机构
[1] Laboratoire de Mécanique Physique, Université de Bordeaux I, URA C.N.R.S. no 867.351, 33405 TALENCE Cedex, Cours de la Libération
关键词
D O I
10.1016/0165-2125(92)90005-M
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Reflection and refraction of harmonic heterogeneous waves by a plane, isotropic viscoelastic layer are described in the framework of linear acoustics. The reflection and transmission coefficients are obtained by two different approaches: firstly, using the well-known model of Brekhovskikh for the case of a homogeneous plane wave, secondly, using an expansion into a geometrical Debye's series through a matrix sum. The energy balance is also established. Some particular cases are analyzed and the results are discussed. For instance, although obeying the energy conservation law, the solution may have an unexpected behaviour due to heterogeneity.
引用
收藏
页码:61 / 75
页数:15
相关论文
共 29 条
[1]  
ALAIS P, 1976, CR ACAD SCI A MATH, V282, P547
[2]  
Brekhovskikh L.M., 1960, WAVES LAYERED MEDIA
[3]   INHOMOGENEOUS WAVES IN VISCOELASTIC MEDIA [J].
CAVIGLIA, G ;
MORRO, A ;
PAGANI, E .
WAVE MOTION, 1990, 12 (02) :143-159
[4]   REFLECTION AND TRANSMISSION OF BOUNDED SOUND BEAMS ON HALF-SPACES AND THROUGH PLATES [J].
CLAEYS, JM ;
LEROY, O .
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1982, 72 (02) :585-590
[5]  
CONOIR JM, 1985, CR ACAD SCI II, V301, P471
[6]  
CONOIR JM, 1987, CEDOCAR PARIS, P105
[7]  
Cuvelier P., 1973, Nouvelle Revue d'Optique, V4, P22, DOI 10.1088/0335-7368/4/1/303
[8]   REFRACTION OF PLANE UNIFORMLY HETEROGENOUS WAVES - ENERGETIC BALANCE IN PECULIAR CASE WHERE THEIR EQUI-AMPLITUDES ARE PERPENDICULAR TO PLANE OF INCIDENCE [J].
CUVELIER, P ;
BILLARD, J .
JOURNAL OF OPTICS-NOUVELLE REVUE D OPTIQUE, 1978, 9 (01) :9-14
[9]  
DESCHAMPS M, 1989, ACUSTICA, V68, P96
[10]  
DESCHAMPS M, 1989, ACUSTICA, V68, P92