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math.NA2018
Can coercive formulations lead to fast and accurate solution of the Helmholtz equation?
Ganesh C. Diwan, Andrea Moiola, Euan A. Spence
A new, coercive formulation of the Helmholtz equation was introduced in [Moiola, Spence, SIAM Rev. 2014]. In this paper we investigate -version Galerkin discretisations of this…
math.NA2018
Numerically stable computation of embedding formulae for scattering by polygons
Andrew Gibbs, Stephen Langdon, Andrea Moiola
For problems of time-harmonic scattering by polygonal obstacles, embedding formulae provide a useful means of computing the far-field coefficient induced by any incident plane wave…