Scattering problem of a spherical inclusion embedded within the surrounding poroelastic medium is analyzed in the context of Biot's theory. Introduced Darcy's Law governing fluid flow across the interface, the formulation of a transition matrix [C. S. Yeh, et al., J. Acoust. Soc. Am. 116, 655-676 (2004)] is developed for the most general boundary conditions applicable at the interface between two porous media. To illustrate the effect of interface conditions, we consider a simple case of the scattering problem of a poroelastic sphere embedded within the surrounding poroelastic medium subjected to an incident plane compressional wave. The numerical amplitude of normal traction shows that there is obvious difference between sealed interface condition and open interface condition. In addition, the effect of parameters of Biot theory on scattering is also examined.
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机译：在Biot理论的背景下，分析了嵌入周围络介质内的球形包含的散射问题。介绍了达西定律在界面上控制流体流动，转变基质的配方[C。 S. YEH等，J.ACOUST。 SOC。是。 116,655-676（2004）是用于适用于两个多孔介质之间的界面上的最普遍的边界条件。为了说明界面条件的效果，我们考虑一种简单的壳体的散射问题，孔弹性球的散射问题嵌入到发生入射平面压缩波的周围的络介质内。普通牵引的数值幅度表明，密封接口条件和打开接口条件之间存在明显差异。此外，还检查了Biot理论参数对散射的影响。
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