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The Plane Waves Method for Numerical Boundary Identification
Published online by Cambridge University Press: 28 November 2017
Abstract
We study the numerical identification of an unknown portion of the boundary on which either the Dirichlet or the Neumann condition is provided from the knowledge of Cauchy data on the remaining, accessible and known part of the boundary of a two-dimensional domain, for problems governed by Helmholtz-type equations. This inverse geometric problem is solved using the plane waves method (PWM) in conjunction with the Tikhonov regularization method. The value for the regularization parameter is chosen according to Hansen's L-curve criterion. The stability, convergence, accuracy and efficiency of the proposed method are investigated by considering several examples.
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- Type
- Research Article
- Information
- Advances in Applied Mathematics and Mechanics , Volume 9 , Issue 6 , December 2017 , pp. 1312 - 1329
- Copyright
- Copyright © Global-Science Press 2017
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