THE FACTORIZATION METHOD FOR AN INVERSE FLUID-SOLID INTERACTION SCATTERING PROBLEM

被引：24
|
作者：
Kirsch, Andreas [1 ]
Ruiz, Albert [2 ]
机构：
[1] KIT, Dept Math, Karlsruhe, Germany
[2] Univ Autonoma Madrid, Dept Matemat, Madrid, Spain
来源：
INVERSE PROBLEMS AND IMAGING | 2012年 / 6卷 / 04期
关键词：
Inverse scattering problem; Helmholtz equation; Lame's equation; Factorization Method; interior transmission eigenvalues; EXISTENCE;
D O I：
10.3934/ipi.2012.6.681
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper we justify the Factorization Method for a coupled acoustic-elastic medium. Under natural assumptions on the data we prove an explicit form of the characteristic function of the scattering medium D where only the spectral data of the far field operator enter. This information is provided by the knowledge of the far field patterns for all incident plane waves. In the last section we investigate the corresponding interior transmission eigenvalue problem and prove that the eigenvalues form a discrete set.
引用
收藏
页码：681 / 695
页数：15
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