采用有限元数值模拟方法系统地研究了电场作用下不同结构裂缝介质中单相和两相渗流机理。
In this paper, mechanism of one - and two-phase fluid flow in fractured media with different structures under electric fields was systematically investigated by finite element method (FEM).
由于裂隙裂缝介质的空间展布是任意的，因而有可能通过研究不同观测方位的弹性波波场来研究这类介质。
Irregular fractured medium can be desirably ascertained by analysing the elastic wave fields which were observed in different positions.
首先，从理论上讨论了各向异性介质中的反射和透射系数方程，给出了裂缝介质的线性近似反射系数公式；
There are two approximate reflection coefficients applied generally, and their differences are compared in order to attain the linear formula of azimuthal AVO inversion of P-wave.
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