Shape sensitivities for an inverse problem in magnetic induction tomography based on the eddy current model

被引:34
|
作者
Hintermueller, Michael [1 ]
Laurain, Antoine [2 ]
Yousept, Irwin [3 ]
机构
[1] Humboldt Univ, Dept Math, D-10099 Berlin, Germany
[2] Tech Univ Berlin, D-10623 Berlin, Germany
[3] Univ Duisburg Essen, Fak Math, D-45127 Essen, Germany
基金
奥地利科学基金会;
关键词
magnetic induction tomography; shape optimization; shape derivative;
D O I
10.1088/0266-5611/31/6/065006
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper the shape derivative of an objective depending on the solution of an eddy current approximation of Maxwell's equations is obtained. Using a Lagrangian approach in the spirit of Delfour and Zolesio, the computation of the shape derivative of the solution of the state equation is bypassed. This theoretical result is applied to magnetic impedance tomography, which is an imaging modality aiming at the contactless mapping (identification) of the unknown electrical conductivities inside an object given measurements recorded by receiver coils.
引用
收藏
页数:25
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