Integral equation methods for the inverse obstacle problem with generalized impedance boundary condition
@article{Cakoni2013IntegralEM, title={Integral equation methods for the inverse obstacle problem with generalized impedance boundary condition}, author={Fioralba Cakoni and Rainer Kress}, journal={Inverse Problems}, year={2013}, volume={29}, pages={015005} }
Determining the shape of an inclusion within a conducting medium from voltage and current measurements on the accessible boundary of the medium can be modeled as an inverse boundary value problem for the Laplace equation. We present a solution method for such an inverse boundary value problem with a generalized impedance boundary condition on the inclusion via boundary integral equations. Both the determination of the unknown boundary and the determination of the unknown impedance functions are…
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References
SHOWING 1-10 OF 21 REFERENCES
Nonlinear integral equations and the iterative solution for an inverse boundary value problem
- Mathematics
- 2005
Determining the shape of a perfectly conducting inclusion within a conducting medium from voltage and current measurements on the accessible boundary of the medium can be modelled as an inverse…
On Simultaneous Identification of the Shape and Generalized Impedance Boundary Condition in Obstacle Scattering
- MathematicsSIAM J. Sci. Comput.
- 2012
This work provides an extension of the notion of shape derivative to the case where the involved impedance parameters do not need to be surface traces of given functions, which leads (in general) to a nonvanishing tangential boundary perturbation.
Integral equations for shape and impedance reconstruction in corrosion detection
- Mathematics
- 2010
In a simply connected planar domain D a pair of Cauchy data of a harmonic function u is given on an accessible part of the boundary curve, and on the non-accessible part u is supposed to satisfy a…
Stable reconstruction of generalized impedance boundary conditions
- Mathematics
- 2011
We are interested in the identification of a generalized impedance boundary condition from the far fields created by one or several incident plane waves at a fixed frequency. We focus on the…
On simultaneous identification of a scatterer and its generalized impedance boundary condition
- Mathematics
- 2011
We consider the inverse scattering problem consisting in the identification of both an obstacle and two functional coefficients of a generalized boundary condition prescribed on its boundary, from…
Simultaneous Reconstruction of Shape and Impedance in Corrosion Detection
- Mathematics
- 2010
Corrosion detection can be modelled by the Laplace equation for an electric or a heat potential in a simply connected planar domain D with a homogeneous impedance boundary condition on a…
Identification of generalized impedance boundary conditions in inverse scattering problems
- Mathematics
- 2010
In the context of scattering problems in the harmonic regime, we consider the problem of identification of some Generalized Impedance Boundary Conditions (GIBC) at the boundary of an object (which is…
Uniqueness for the determination of unknown boundary and impedance with the homogeneous Robin condition
- Mathematics
- 2009
We consider the problem of determining the corroded portion of the boundary of an n-dimensional body (n = 2, 3) and the impedance by two measures on the accessible portion of the boundary. On the…
Integral equations for inverse problems in corrosion detection from partial Cauchy data
- Mathematics
- 2007
We consider the inverse problem to recover a part $\Gamma_c$
of the boundary of a simply connected planar
domain
$D$ from a pair of Cauchy data of a harmonic function $u$ in $D$ on the…