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Conference Papers Year : 2017

High-order absorbing boundary conditions with edge and corner compatibility for the Helmholtz equation

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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Dates and versions

hal-01588749 , version 1 (16-09-2017)

Identifiers

  • HAL Id : hal-01588749 , version 1

Cite

Axel Modave, Vanessa Mattesi, Christophe Geuzaine. High-order absorbing boundary conditions with edge and corner compatibility for the Helmholtz equation. ACOMEN 2017 - 7th International Conference on Advanced Computational Methods in Engineering, Sep 2017, Ghent, Belgium. ⟨hal-01588749⟩
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