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首页> 外文会议>IUYAM Symposium on Theoretical and Numerical Methods in Continuum Mechanics of Porous Materials, Sep 5-10, 1999, Stuttgart, Germany >Rayleigh Waves in Porous Media Saturated with Liquid
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Rayleigh Waves in Porous Media Saturated with Liquid

机译：液体饱和的多孔介质中的瑞利波

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摘要

The main results and conclusions are the following: 1. The features of Rayleigh waves propagating along the free surface of a liquid-saturated porous medium are investigated in the scheme of two-velocity model. 2. The dispersion relation for Rayleigh waves in a liquid-saturated porous medium is derived. It is found that for the wide range of parameters of porous medium being considered there is only one type of Rayleigh waves which is the combination of transverse and fast longitudinal waves 3. The dependences of the phase velocity, linear attenuation decrement of a monochromatic wave and coefficients showing wave decreasing with depth on frequency are studied. The pattern of deformation of the near-surface area during Rayleigh wave propagation is considered in detail.
机译：主要研究结果和结论如下：1．在二速度模型的框架下研究了沿液体饱和多孔介质自由表面传播的瑞利波的特征。 2.推导了瑞利波在液体饱和多孔介质中的色散关系。结果发现，考虑到多孔介质的各种参数，只有一种瑞利波，即横波和纵波3的组合。相速，单色波的线性衰减和研究了表示波随频率的深度而减小的系数。详细讨论了瑞利波传播过程中近表面区域的变形模式。

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