Based on continuous porous medium seepage model , it is assumed that if waterproofing board of complex lining is perfect , the secondary lining is leakproof , thus the formula of external water load on secondary lining with a grouting loop is deduced 以连续孔隙介质渗流模型为基础，假定复合衬砌中防水板施工完好二次衬砌是封闭阻水情况，推导出了有注浆堵水圈的隧道衬砌结构外水荷载计算公式。
Fitting results of three non darcy seepage models including three - parameter model , power exponent model and two - section model were pretty good , and broken line model could be simplified to the forms of linear permeability model and darcy model 试验与分析结果表明，三参数模型、幂指数模型和非线性分段模型这3种非达西渗流模型的拟合效果较好；折线渗流模型简单实用，在特殊情况下可以简化为线性渗流模型或达西定律。
This paper studies the band percolation of the models of the triangle lattice and the hexagonal lattice . before we study the models of the triangle lattice and the hexagonal lattice , we will introduce period . let g = ( vc , ec ) be a connected graph , we write vg for the set of vertices of g and egfor the set of its edges , u e vc is a vertex , and v is the coordinate vector 在介绍平面正三角形和正六边形点格的边渗流模型之前我们先引入周期的概念：设g = ( v _ g , e _ g )为连通图其中v _ g , e _ g分别为图g的顶点集和边集， u v _ g为的顶点， v为平面的坐标向量。
Lr ( n ) is that there is an open path in rectangle [ 0 , n ] x [ 0 , n ] joining some vertex on its left side to some vertex on its right side when p > pc in the models of the triangle lattice and the hexagonal lattice , o theorem in the models of the hexagonal lattice , let lr ( n ) be is an open path in rectangle [ 0 , n ] x [ 0 , n ] joining some vertex on its left side to some vertex on its right side 定理在正六边形边渗流模型中，设lr … ）表示在边长为n正方形阻n沁xo ， n中存在一条连接它的左边界和它的右边界的开路，如果0 （ p ）叩，那么当n 。时p尸（ lr （ n ） ） l 。
In bernoulli bond percolation model with parameter p in i , 2 , we call a path open if all of its edges are open and closed if all of its edges are closed , we shall write u - v if there is an open path joining vertex u to vertex v . we write c ( x ) for the open cluster containing vertex x , defined by c ( x ) = { y : x - y 在图l ~ 2上参数为p的贝努利边渗流模型中，如果一条路中的所有边均为开边，称这条路为开路；如果一条路上的所有边均为闭边，称这条路为闭路。用u v表示从点u到点v有开路存在
To solve this problem , the model of steady state water line in rock crack during the rain is built in cha5 . the author applies correlative seepage theories on this model to found the calculate method . then the practicality formula of hydrostatic pressure in dangerous rock is supplied 针对危岩静水压力计算严重偏于保守的情况，静水作用方面，本文通过建立降雨过程中的岩体裂隙积水稳态渗流模型，运用渗流的相关定理建立稳态水位的计算方法，进而提出静水压力的实用计算公式。
Considering the seepage of linear and the seepage of non - linear in the karst area are always coexisting , the model of linear seepage and non - linear seepage is put forward firstly on the basis of domain decomposition method . the movement of groundwater in an ideal model is simulated with this method , and the program of dar - nondar . for is compiled . then these results are applied to zhongliang water resources and power engineering , the leakage quantity of karst water is calculated 考虑到岩溶区渗流往往都是线性流与非线性流并存，首次提出了基于区域分解法理论的线性?非线性渗流模型，利用该方法模拟出理想模型中的水流运动，并编制了计算程序dar - nondar . for ，然后将该成果应用于中梁水利水电工程中，预测出库区岩溶水渗漏量。
Combing the linear seepage model with hydrogeology in the region of zhong - liang reservior , the analysis of the problem of positive and negative is emphasized . make use of with some observing information of boreholes in this region , adverse seeking the hydrogeology of the reservoir in the region with finite element method , the leakage quatity of karst water in the region of reservoir is forecasted . 线性渗流模型结合了中梁水库库区水文地质条件，重点进行正反问题的计算分析，利用研究区若干观测孔资料，采用有限单元法反演库区的水文地质参数，并预测了库区岩溶水渗漏量。
The theoretical study of the recovery percent vs . water cut of thin and bottom water reservoir in luliang oilfield is based on developing its geologic and flow models , obtaining oil - thickness ratio , oil - water viscosity ratio , relative permeability curve parameter and chart of effect of bottom water toning , etc . , on water - yielding pattern of the reservoir 摘要在建立了陆梁薄层底水藏地质及渗流模型基础上，采用理论研究的方法，研究了薄层底水油藏采出程度与含水率关系式，并获得了油厚比、油水粘度比、相渗曲线特征参数以及底水锥进等对油藏产水规律的影响关系图版。
1 . upon brief reviewing current mathematical and physical models and mechanisms for electrorheological effect , the theoretical analysis of the dielectric relaxation of electrorheological fluids and the frequency - inducing characteristics for electrorheological effect are conducted . based on statistical thermodynamic analysis and osmotic pressure calculating of an electrorheological fluid complex system , phenomenological theory is adopted to evaluated phase reparation characteristics . thus critical factors corresponding to experimental results are introduced 在简要评述现有电流变效应模型及机理的基础上，按非均匀介质对双相复合悬浮液的电流变效应进行理论分析，研究了电流变效应频率诱导特性；基于复合系统渗透压的计算，采用统计热力学唯象理论，讨论了电流变效应的相分离特征，获得了与实验吻合的临界参数；首次将定向渗流模型应用于电流变体临界体积浓度的分析，得出一个描述电流变流体特征而不随外加电场变化的临界体积百分数为0 . 37 。
