| 地震波在不规则界面上的散射效应及其某些应用 |
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| 引用本文： | 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].西北地震学报,1986,8(3):28-39. |
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| 作者姓名： | 蒋维强 |
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| 作者单位： | 国家地震局兰州地震研究所 广东省地震局 |
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| 摘 要： | 本文运用数值解法,求解了两类散射问题:(1)在声学近似下,平面P波在半无限介质空间表面上任意形状的三维空腔上的散射;(2)平面SH波在半无限弹性空间中埋藏着任意形状截面的无限长、且平行于地面的弹性柱体上的散射,得到了几种几何形状的物体所引起的散射数值结果。把某些特殊情况下的散射结果与已知的精确解作对比,两者能很好地吻合。
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THE APPLICATION AND SCATTERING EFFECT OF SEISMIC WAVES ON SURFACES OF ARBITRARY SHAPE |
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| Jiang Weiqiang.THE APPLICATION AND SCATTERING EFFECT OF SEISMIC WAVES ON SURFACES OF ARBITRARY SHAPE[J].Northwestern Seismological Journal,1986,8(3):28-39. |
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| Authors: | Jiang Weiqiang |
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| Institution: | Seismological Bureau, Guandong |
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| Abstract: | 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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