Normalization techniques for the SVE of the Green function of Helmholtz operator

Nadaniela Egidi and Pierluigi Maponi

Mathematics and Computers in Simulation (MATCOM), 2012, vol. 82, issue 12, 2908-2915

Abstract: Electromagnetic and acoustic scattering problems can be usually formulated by suitable integral equations, where the kernel is given in terms of the fundamental solution of the Helmholtz operator. We can consider a special analytic method for the singular value expansion (SVE) of this integral kernel. Note that this is an important tool for the numerical solution of scattering problems, in fact, from the knowledge of the SVE of the integral kernel, we can easily solve the corresponding integral equation. In this paper, we study the numerical approximation of the SVE of this integral kernel, where we have to consider the asymptotic behavior of the Bessel functions.

Keywords: Singular value expansion; Helmholtz operator; Bessel function (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:82:y:2012:i:12:p:2908-2915

DOI: 10.1016/j.matcom.2011.07.009

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