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A finite element method for solving Helmholtz type equations in waveguides and other unbounded domains. (English) Zbl 0493.65046

MSC:
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
65N15 Error bounds for boundary value problems involving PDEs
65Z05 Applications to the sciences
35J05 Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation
35P25 Scattering theory for PDEs
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