在数值模拟中重点对移动和固定网格法等进行了研究，并应用固定网格法对无压渗流场自由面进行了搜索计算。
We will have focal point study for moving and fixing grid law etc., have the application to the free surface search of he impressure influent fields.
进一步研究了考虑坑外渗流自由面随时间变化的基坑工程时间效应和空间效应。
The time and spatial effects of excavation considering variation of seepage free surface outside of foundation pit were further investigated.
在岩土边坡、土坝、地下洞室及地下水运动等渗流分析中，均存在有渗流自由面问题。
Seepage free surface issue exists in analysis of the seepage concerning geotechnical slope, earth dam, underground cave and groundwater movement.
利用所编写的非稳定渗流计算程序，计算土石坝上游水位变化时自由面位置随时间的变化规律、孔隙水压力的分布情况。
The program is utilized to calculate soil rocks dam free surface position variation and pore-water pressure distribution condition with time when the up water level position changed.
计算边界面上的流量：对渗流区域进行建模分析的关键问题是预测准确的面边界条件。
The key to modeling the vadose zone is the ability to predict an accurate surface boundary condition.
水位下降时，饱和理论比饱和—非饱理论计算的渗流自由面下降要快。
When the water level is falling, the free surface line of saturate theory is lower than saturate-unsaturated.
分析了渗流自由面的变化规律，讨论了渗透系数变化对渗流自由面及基坑变形的影响，并与不考虑渗流自由面变化时的结果进行比较。
The variation of seepage free surface with time was analyzed, and the influence of soil permeability on seepage free surface and deformation was then discussed.
另一方面，渗流场通过改变水荷载来影响应立场。
Another, the seepage field can also make influence to stress field throw changing the water load.
另一方面，对裂隙单元进行三角形单元的有限元网格划分，运用变分原理导出裂隙单元的渗流有限元求解方程。
On the other hand, the fracture elements are discretized into triangular mesh, and the flow finite element equations are derived based on the variational principle.
同时对有自由面渗流的自由面边界积分问题，提出了一种新的算法。
Meanwhile, a new method for computing the boundary integration is proposed in free surface seepage field.
截止负压法是求解有自由面渗流问题较为有效的算法之一。
The cut-off negative pressure method is one of effective approaches to solve the seepage flow problem with free surface.
地下水渗流导致巷道掘进工作面突水或成巷段支护失效的灾害在煤矿时有发生。
Water inrush in working face and support failure of the driven roadway caused by underground seepage occur from time to time.
经特殊设计的渗流剪切盒可以保证节理在进行剪切渗流试验中，一定压力的渗流水会沿指定路径流过节理面，且不发生渗漏。
The sealing shear box is designed especially to meet the purpose that seepage water of high-pressure flows along appointed path of joint face during the test while no leakage will happen.
研究复杂地基上高拱坝坝面开裂与稳定的力学机制，这些机制涉及到大坝温度变化、大坝的基础弱化、渗流影响等。
The stability of arch DAMS and their cracking mechanism have been discussed. They are concerned with thermal variation, rigidity weakening due to earthquake and seepage effects.
然后，根据计算节点连接关系，形成总体渗流矩阵和渗流控制方程后就可实现三维任意结构面网络渗流计算。
Then, according to the relationships of calculating nodes, the total seepage matrix and functions can be obtained; and the seepage calculation can be completed.
最后，采用算例对理论分析过程和计算程序进行检验，并将三维结构面网络渗流分析结果应用到块体系统渐进失稳分析中。
At last, some cases are analyzed to check the theoretical schemes and calculating programs. The results of 3d fracture network seepage are applied to the block system for progressive failure analysis.
最后，采用算例对理论分析过程和计算程序进行检验，并将三维结构面网络渗流分析结果应用到块体系统渐进失稳分析中。
At last, some cases are analyzed to check the theoretical schemes and calculating programs. The results of 3d fracture network seepage are applied to the block system for progressive failure analysis.
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