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Coupled Systems Mechanics
  Volume 1, Number 2, June 2012 , pages 183-204

A boundary-volume integral equation method for the analysis of wave scattering
Terumi Touhei

    A method for the analysis of wave scattering in 3-D elastic full space is developed by means of the coupled boundary-volume integral equation, which takes into account the effects of both the boundary of inclusions and the uctuation of the wave field. The wavenumber domain formulation is used to construct the Krylov subspace by means of FFT. In order to achieve the wavenumber domain formulation, the boundary-volume integral equation is transformed into the volume integral equation. The formulation is also focused on this transform and its numerical implementation. Several numerical results clarify the accuracy and effectiveness of the present method for scattering analysis.
Key Words
    coupled boundary-volume integral equation; fast Fourier transform; elastic wave scattering; wavenumber domain formulation; Krylov subspace iteration technique
Terumi Touhei: Department of Civil Engineering, Tokyo University of Science, 2641 Yamazaki, Noda City 278-8510, Japan

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