Abstract

Employing high frequency approximations, Rawlins [1] developed some simple formulae for the scattering of an E-polarised plane wave by an infinite rectangular cylindrical structure, on which an impedance boundary condition is enforced. An integral equation approach for which a rapidly convergent quadrature scheme is described. In order to validate Rawlins' solutions, the computed scattered far-field patterns are compared with the results of [1] for rectangular structures of varying aspect ratio and over a range of impedances.

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