ZERO CURVATURE TRANSONIC STATES AND FREE-SURFACE WAVES IN ANISOTROPIC ELASTIC MEDIA

被引:25
作者
BARNETT, DM [1 ]
LOTHE, J [1 ]
GUNDERSEN, SA [1 ]
机构
[1] UNIV OSLO,DEPT PHYS,N-0316 OSLO 3,NORWAY
关键词
D O I
10.1016/0165-2125(90)90004-N
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Present surface wave existence theory rests on the assumption that the slowness curve has nonzero curvature at the point corresponding to the limiting wave. The existence theory is extended to take the possibility of zero curvature transonic states into account. It is concluded that a subsonic free surface wave solution always exists in the case of a zero curvature transonic state. © 1990.
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收藏
页码:341 / 360
页数:20
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