On the basis of a conceptual model in the area, a 3-dimensional groundwater flow model is developed and calibrated by MODOFLOW, which is based on finite difference system.
建立了系统的水文地质概念模型和地下水流模拟模型，采用基于有限差分方法的MODOFLOW软件对所建立的三维地下水流方程进行了求解。
According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。
The misunderstood "Dupuit stable well flow model" ("model of radius of influence") is the main "theoretical" basis of the unreasonable selection of exploited horizon of groundwater.
被误解了的“裘布依稳定井流模型”（“影响半径模型”）是不合理选择地下水开采层位的主要“理论”依据。
This model is made up of the water balance model of the groundwater flow system and the linear programming model.
该模型是一种地下水流系统水均衡模型和线性规划模型的耦合。
Based on aquifer characteristics, boundary condition and groundwater flow regime, the hydro geologic concept model and the three-dimensional groundwater flow simulation mathematical model was built.
并对含水介质结构、边界条件及地下水流态进行了研究，建立了水文地质概念模型，构建了三维地下水流数学模型。
To assess how such changes may affect the nuclide transport behavior, the paper proposes a single fracture nuclide transport model under time-varying groundwater flow conditions based on t.
为了评价地下水水流条件的变化对放射性核素迁移行为的影响，该文以双重介质理论的裂隙迁移模型为基础，提出了非恒定流条件下单裂隙核素迁移模。
U nder new stresses, a groundwater model can be divided into an initial flow field model and an appended flow field model .
在新增激发条件下，为便于问题的分析及模型的求解，可将模型分解为初始流场模型与附加水头场模型。
Finally, coupling the groundwater flow numerical model and optimization model constructed management model using response matrix method.
最后采用响应矩阵法耦合地下水流数值模型与优化模型建立了管理模型。
The groundwater flow is simulated with the seepage model of heterogeneity isotrope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.
以非均质各向同性渗流模型仿真地下水流，用不规则三角网格有限差分法求解三维数值仿真模型。
The groundwater flow is emulated with the seepage model of heterogeneity anti-isotope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.
本文基于研究区地下水系统概念模型，以非均质各向异性渗流模型仿真裂隙-岩溶水流，用有限元法求数值解。
This analysis indicated that the hydraulic conductivity could not be assumed as a constant value when groundwater flow was simulated with numerical model.
因此，在进行现地地下水流数值模拟时，水力传导系数不能只假设为单一值。
Groundwater quality model is composed of problems of groundwater flow and dynamic dispersion.
地下水水质模型是由水流问题和水动力弥散问题耦合而成。
Based on the natural flow character of groundwater and the principle of flow simulation, a digital watertable model was built by the method of inverse distance weights in the GIS environment.
该系统在面向对象建模、模型前处理、参数设置、模型后处理等方面突破了传统建模方式，实现了GIS功能与地下水数值模型的完全整合。
Finally relationship model of rock mass fracture deformation and seepage was established to obtain the relationship of groundwater flow and rock mass fracture and deformation.
最后建立了岩体裂隙变形与渗流关系模型，得出矿山地下水在岩体中的流动与岩体裂隙变形之间的关系。
Finally relationship model of rock mass fracture deformation and seepage was established to obtain the relationship of groundwater flow and rock mass fracture and deformation.
最后建立了岩体裂隙变形与渗流关系模型，得出矿山地下水在岩体中的流动与岩体裂隙变形之间的关系。
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