1) artesian-unconfined filtratio n
承压无压渗流
2) confined seepage flow
承压渗流
3) unconfined seepage
无压渗流
1.
Based on the method of adjusting the conductivity matrix, the composite element method is proposed to deal with the elements intersected by free surface in the analysis of unconfined seepage problems.
针对无压渗流问题,在传导矩阵调整法的基础上,对穿越自由面的单元用复合单元来处理,每个复合单元具有两套结点水头,一套用于饱和区的水头插值;另一套则用于无水区。
2.
A FEM program is made to calculate the complicated seepage of the earth dam at BaiShi reservoir and a new finite element algorithm called abandoned element method is developed to solve the problem of free surface of the unconfined seepage.
对自由面的求解 ,在计算中提出了弃单元法算法 ,计算表明收敛快 ,和电拟结果对比显示该算法精度高 ,对计算无压渗流有通用性。
3.
An unconfined seepage analyzing method for blocky rock mass is proposed by using automatic identification method of three dimensional rock block system to generate its discontinuities network and quoting the initial flow method to solve the variation equation of three dimensional unconfined network seepage problems.
利用三维岩石块体系统的自动识别方法生成岩体的结构面网络，并将初流量法引入到三维网络无压渗流的变分方程，从而建立了块状结构岩体中的网络无压渗流分析方法。
4) unconfined seepage field
无压渗流场
1.
Study on solution of 3-D complex unconfined seepage field;
三维复杂无压渗流场求解方法研究
5) seepage analysis without pressure
无压渗流分析
6) D unconfined seepage
三维无压渗流
1.
Free surface seepage problem is transformed into overflow surface determining by overall consideration of overflow surface boundary conditions of 3-D unconfined seepage problem, and an overflow surface iteration method of 3-D unconfined seepage is provided by integration of seepage matrix adjustment and element abandoning skill.
全面考虑三维无压渗流问题中溢出面上的边界条件 ,将渗流自由面的确定问题转化为确定溢出面 ,同时结合使用渗透矩阵调整方法和丢单元技巧 ,给出了三维无压渗流问题的溢出面迭代方法。
补充资料：冲击波超压与动压