Method of integral summation identities in the problem of a TE-polarized electromagnetic wave diffraction on a vertical barrier in an infinite waveguide
2023 INTERNATIONAL CONFERENCE ON ELECTROMAGNETICS IN ADVANCED APPLICATIONS, ICEAA(2023)
Abstract
In this paper the boundary value problem (BVP) for the Helmholtz equation associated with the diffraction of a TE-polarized electromagnetic wave on a vertical harrier in an infinite waveguide is investigated. Using the partial domain method the BVP is reduced to an infinite system of linear algebraic equations of the second kind (ISLAE-2). The equivalence of the initial BVP and the ISLAE-2 and the Fredholm property of the matrix operator of ISLAE-2 in the weighted Hilbert space of infinite sequences that ensures the fulfillment of energy (edge) condition are proved. The truncation (reduction) method is developed on the basis of semi-regularization for the approximate solution of ISLAE-2. Broad series of computational experiments are performed.
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Key words
diffraction problem,rectangular waveguide,Helmholtz equation,integral summation identities,Fredholm property,infinite system of linear algebraic equations
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