| 地震动衰减椭圆与凸多边形潜在震源相交面积的计算方法 |
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| 引用本文： | 陆镜元,高玉峰,曹光暄.地震动衰减椭圆与凸多边形潜在震源相交面积的计算方法[J].防灾减灾工程学报,1992(2). |
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| 作者姓名： | 陆镜元 高玉峰 曹光暄 |
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| 作者单位： | 安徽省地震局,安徽省地震局,安徽省地震局 |
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| 摘 要： | 采用经验点椭圆模型进行地震危险性分析计算,关键是求条件概率P(Y>y/E_i,m),其难点是如何求取地震动衰减椭圆与凸多边形潜在震源的相交面积.本文将给出一种简便的通用性计算方法—"逐点计算法".
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A METHOD FOR CALCULATING THE INTERSECTION AREA FORMED BY A SEISMIC MOVING ATTENUATION ELLIPSE AND A POTENTIAL SOURCE WITH PROTRUDING POLYGON SHAPE |
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| Abstract: | The key to the hazard analysis for earthquakes using experimental point-ellipse models lies in the solution of a conditional probability, P(Y≥y / E_i, m), in which the problem is referred to the determination of the intersecting area formed by the seismic moving attenuation ellipse and a potential source with a shape of protruding polygon. For this end, a method in common use for calculation point by point will be presented in the paper, which was proved to be uncomplicated. |
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