Abstract
The elastodynamic boundary element method (BEM) is applied to the visualization of the scattered wave field through a fluid‐solid interface. In the formulation of BEM, the multigaussian beam model is introduced in order to express the incident wave field radiated from the immersion transducer. The unknown quantities on the crack boundary are determined by the BEM, then the wave field around the crack in solid is visualized with the integral representation of the scattered wave. To obtain the scattered waveforms in fluid, a far‐field expression of the Green’s function for a fluid‐solid coupling medium is adopted in this study.
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