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Citation - WoS: 8
Citation - Scopus: 9
Diffraction of Waves by an Impedance Half-Plane
(Elsevier Science Bv, 2013) Umul, Y. Z.
The solution of the diffraction problem of waves by an impedance half-plane that satisfies the impedance boundary condition is obtained for the first time in the literature. A reflection coefficient which is the function of the angular and spatial variables in the polar coordinates is defined and its exact expression is obtained with the aid of the impedance boundary condition. The resultant diffraction field is compared with the solution of Malyuzhinets numerically and their differences are stressed. The structures of the total scattered, geometrical optics and diffracted waves are also investigated. (C) 2013 Elsevier B.V. All rights reserved.
Citation - WoS: 13
Citation - Scopus: 13
The Effect of Impedance Boundary Conditions on the Potential Function of the Boundary Diffraction Wave Theory
(Elsevier, 2008) Yalcin, U.; Umul, Y. Z.
A novel potential function of the boundary diffraction wave theory is obtained for the impedance surfaces by the asymptotic reduction of the modified theory of physical integrals. The function is expressed in terms of the direction vectors of the incident and scattered rays. The application of the method is performed on the problem of diffraction of plane waves by an impedance half plane for oblique incidence. (c) 2007 Elsevier B.V. All rights reserved.

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