Abstract
An energy-based infinite boundary element integral equation method is developed for the solution of two- or three-dimensional time harmonic fluid scattering problems. This method is essentially based on a domain decomposition that insures the validity for all frequencies, and uses a hypersingular operator that can be integrated readily by standard procedures for single layers. It leads to a set of sparse, symmetric discretized equations. Numerical experiments for a rigid circular cylindrical scatterer subjected to a plane incident wave confirm the stability of the new procedure, and serve to assess its accuracy for wave numbers ranging from 0 to 30, both directly on the scatterer and in the far field.
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