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Hybrid topological derivative-gradient based methods for nondestructive testing

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Carpio, Ana and Rapun, M.L. (2013) Hybrid topological derivative-gradient based methods for nondestructive testing. Abstract and applied analysis, 2013 . ISSN 1085-3375

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Official URL: http://www.hindawi.com/journals/aaa/2013/816134/


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Abstract

This paper is devoted to the reconstruction of objects buried in a medium and their material properties by hybrid topological derivative-gradient based methods. After illustrating the techniques in time-harmonic acoustic problems with different boundary conditions and in electrical impedance tomography problems with continuous Neumann conditions, we extend the hybrid method for a realistic model in tomography where the boundary conditions are given at a discrete set of electrodes.


Item Type:Article
Uncontrolled Keywords:Electrical-impedance tomography; inverse scattering problems; level set methods; shape-reconstruction; acoustic scattering; conductivity; obstacle; identification; approximation; optimization
Subjects:Sciences > Physics
ID Code:23230
Deposited On:17 Oct 2013 11:49
Last Modified:12 Dec 2018 15:06

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