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将Biot固结理论进一步推广,以适合可变形多孔介质耦合渗流的情况.用计算机代数系统进行符号运算,求得了可变形多孔介质中弹性流体一维定常耦合渗流问题的四阶摄动解.结果表明,对于可变形多孔介质,即使是一维定常渗流,介质内部的压力梯度也是非均匀的,传统的确定介质渗透率的试验原理与方法需要改进.
The Biot consolidation theory is further extended to suit the case of coupled percolation of deformable porous media. The symbolic computation is carried out by computer algebraic system, and the fourth-order perturbation solution to one-dimensional coupled seepage flow of elastic fluid in deformable porous media is obtained. The results show that for a deformable porous medium, the pressure gradient inside the medium is non-uniform even with one-dimensional steady flow. The traditional experimental principles and methods to determine the medium permeability need to be improved.