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采用修改的Ｂｉｏｔ波动方程，考虑土颗粒压缩和固液两相的粘滞作用，推导出饱和土中平面应变波在圆柱体上的散射和折射问题的理论解答；并求出当圆柱体为空腔、刚性体、单相土介质和流体介质时散射和折射的势函数幅值方程．
The modified Biot wave equation is used to derive the theoretical solution to the problem of scattering and refraction of plane strain waves in a saturated cylinder by taking into account the compressibility of soil particles and the solid-liquid phase. Cavity, Rigid Body, Single-Phase Soil Medium and Fluid Medium The Scattering and Refraction Potential Function Amplitude Equation.