An improved integral equation method is applied to solve two scattering problems.(1) Under acoustic approximation,plane P waves are scattered by three-demensions surfaces of arbitrary shape in a half-space.(2) Plane SH waves are scattered by infinite elastic cylinders having arbitrary cross section in an elastic half-space.Numerical results of scattering for different geometries are presented.Agreement with known analytical solution for some special geometries is excellent.
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蒋维强.地震波在不规则界面上的散射效应及其某些应用[J].地震工程学报,1986,8(3):28-39. Jiang Weiqiang. THE APPLICATION AND SCATTERING EFFECT OF SEISMIC WAVES ON SURFACES OF ARBITRARY SHAPE[J]. China Earthquake Engineering Journal,1986,8(3):28-39.