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math.NA2021★ 2 cited
Stable and efficient FEM-BEM coupling with OSRC regularisation for acoustic wave transmission
Elwin van 't Wout
The finite element method (FEM) and the boundary element method (BEM) can numerically solve the Helmholtz system for acoustic wave propagation. When an object with heterogeneous wa…
math.NA2021★ 15 cited
Frequency-robust preconditioning of boundary integral equations for acoustic transmission
Elwin van 't Wout, Seyyed R. Haqshenas, Pierre Gélat +2
The scattering and transmission of harmonic acoustic waves at a penetrable material are commonly modelled by a set of Helmholtz equations. This system of partial differential equat…