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discrete fractures
相关语句
  离散裂缝
     Finite difference simulation of seismic wave propagation in 2_D solids with spatial distribution of discrete fractures
     具有离散裂缝空间分布的二维固体中地震波传播的有限差分模拟
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  “discrete fractures”译为未确定词的双语例句
     Two factors are introduced to modify transmissivity coefficient of a fracture or a fault, which represents the hydraulic effect of discrete fractures or faults.
     引进了两个因子来修正裂隙(或断层)处的导水系数,它们能够表现离散裂隙(或断层)的水力影响。
短句来源
     The distribution of discrete fractures with vanishing apertures in the 2_D finite difference grids is implemented using the equivalent medium theory.
     基于等效介质理论,利用二维有限差分实现封闭裂缝的离散分布;
短句来源
  相似匹配句对
     Pipkin fractures
     Pipkin骨折
短句来源
     On Discrete Filtrations
     离散型σ-域流
短句来源
     Intertrochanteric fractures
     股骨转子间骨折
短句来源
     From the famous discrete W.
     从离散型W.
短句来源
     Analyses for Orientation Errors of Fractures Using 3D Discrete Fracture Network
     运用三维非连续性裂隙网络模型研究裂隙产状误差
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  discrete fractures
A numerical simulation using the boundary integral element method is used to solve fluid flow through a network of discrete fractures.
      
One way is to depict the rock as a network of discrete fractures (with permeable or impermeable matrix blocks) and another as a nonuniform (single, dual or multiple) continuum.
      
The dimension of the Jacobian matrix is increased only by the number of discrete fractures added to the reservoir model, for the well model approach.
      
This type of approach holds promise for easing the development of hydrothermal models with many discrete fractures.
      
Several of the nuclear-waste-isolation codes allow discrete fractures to be represented.
      
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A new numerical method to simulate ground water flow in fractured or faulted aquifer is presented. Two factors are introduced to modify transmissivity coefficient of a fracture or a fault, which represents the hydraulic effect of discrete fractures or faults. The method is very suitable for back analysis. When location of a fracture or fault is changed, it is not necessary to modify the grid. The method has been used to predict water inflow of Nangaoyu Mine, Feicheng, Shandong province. The obtained...

A new numerical method to simulate ground water flow in fractured or faulted aquifer is presented. Two factors are introduced to modify transmissivity coefficient of a fracture or a fault, which represents the hydraulic effect of discrete fractures or faults. The method is very suitable for back analysis. When location of a fracture or fault is changed, it is not necessary to modify the grid. The method has been used to predict water inflow of Nangaoyu Mine, Feicheng, Shandong province. The obtained hydro-geological parameters are close to the measured data from the field.The established mathematic model gives guidance to design of water-sealing project.

本文提出了模拟裂隙与断层含水层中地下水流动的一种新的数值方法。引进了两个因子来修正裂隙(或断层)处的导水系数,它们能够表现离散裂隙(或断层)的水力影响。这一方法特别适合反问题的求解,当修改裂隙(或断层)的位置时,不需要修改剖分网格。本方法已被用于山东肥城南高余矿的涌水量预测,所求得的水文地质参数与野外实测十分接近,所建立的数学模型指导了堵水工程的设计。

Some problems of discrete fracture network are studied in this paper by using a discrete medium model. These problems are the effect of fracture length, on conductivity, the degree of interconnection directional conductivity and water head distribution of discrete fracture network.

本文以湖北某地区为例,对工作区二迭及三迭系地层的基岩裂隙进行了统计分析,并对其裂隙网络及水流进行了计算机模拟。利用非连续介质方法就非连续裂隙网络的连通性、裂隙长度对网络导水能力的影响、裂隙网络的方向导水系数、网络内水头分布特征等问题进行了初步的探讨。

In this paper, various models for analysis of seepage flow in fractured rock masses are systematically summarized and studied. Bases on the seepage mechanism, the merits、demerits and applied conditions of these models are illuminated. In addition, their application circumstance in engineering is stated. Above all, the continuum discrete coupled model which takes advantages of both equivalent continuum model and discrete fracture...

In this paper, various models for analysis of seepage flow in fractured rock masses are systematically summarized and studied. Bases on the seepage mechanism, the merits、demerits and applied conditions of these models are illuminated. In addition, their application circumstance in engineering is stated. Above all, the continuum discrete coupled model which takes advantages of both equivalent continuum model and discrete fracture model has the most vast vistas for engineering applications.

系统综述了裂隙岩体渗流分析的各类模型,从各类模型所反映的渗透机理出发,阐明了它们的优缺点和适用条件及其工程应用情况。集等效连续介质模型和离散裂隙网络模型优点的等效-离散耦合模型是有实用前景的裂隙渗流模型。

 
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