A Fast, Bandlimited Solver for Scattering Problems in Inhomogeneous Media |
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Authors: | Fredrik Andersson Anders Holst |
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Affiliation: | (1) Centre for Mathematical Sciences, Lund University, P.O. Box 118, S-22100 Lund, Sweden |
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Abstract: | The numerical treatment of two-dimensional scattering in inhomogeneous mediais considered. A novel approach in treating convolution operators with low regularity is used toconstruct an iterative solver for the Lippmann-Schwinger integral equation. In this way, accurateapproximations within a choice of bandwidth can be obtained in a rapid manner. The performance of the method is tested on a discontinuous scattering object for which the exact solution is known. |
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