Numerical considerations of fluid effects on wave propagation: Influence of the tortuosity
作者： E. H. Saenger , O. S. Krüger , S. A. Shapiro
DOI: 10.1029/2004GL020970
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摘要: The focus of this paper is on effective elastic properties (ie, velocities) in three different kinds of dry and fluid‐saturated porous media. The synthetic results are compared with the predictions of the Gassmann equation and the tortuosity‐dependent high‐frequency limit of the Biot velocity relations. Using a dynamic finite‐difference approach we observe for Fontainebleau sandstone the same effective elastic properties as with a static finite‐element approach. We show that so‐called open‐cell Gaussian random field models are similar in …
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