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双等腰三角形凸起地形在SH波入射时的地表位移函数

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Keywords: 等腰三角形,凸起地形,SH波,驻波函数

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Abstract:

利用"分区、辅助函数"思想,将求解的区域分为三部分,区域Ⅰ为一个带有半圆形弧线的等腰三角形区域,区域Ⅱ也为一个带有半圆形弧线的等腰三角形区域,区域Ⅲ为两个带有半圆形凹陷的弹性半空间,并利用波函数展开法分别在区域Ⅰ、Ⅱ和区域Ⅲ中构造满足等腰三角形在其斜面上应力自由和在弹性半空间中满足水平面上应力自由的驻波函数,以此为基础,通过区域Ⅰ、Ⅱ和区域Ⅲ的"公共边界"位移应力连续条件,建立对该问题进行求解的无穷代数方程组,并采用截断有限项的方法对其进行求解。

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