Title : High-order absorbing boundary conditions with edge and corner compatibility for the Helmholtz equation
Year : 2017
Type : conf_acti
Authors : A. Modave, V. Mattesi, C. Geuzaine
Abstract : We deal with the finite element solution of 3D time-harmonic acoustic wave problems defined on unbounded domains, but computed using cuboidal computational domains with artificial boundaries. We combine a standard finite element method for the Helmholtz equation with high-order absorbing boundary conditions (on the faces of the domain) and compatibility relations (on the edges and the corners) that provide an arbitrary high accuracy.
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