Discrete Fracture Networks
Towards effective flow simulations in realistic Discrete Fracture Networks
... of Discrete Fracture ...with fracture transmissivities spanning many orders of magnitude and approaching zero; furthermore, we address several numerical issues for improving the numerical solution ...
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Parallel meshing, discretization and computation of flow in massive discrete fracture networks
... MASSIVE DISCRETE FRACTURE NETWORKS ...large discrete fracture networks is ...random networks counting order of 10 5 fractures are ...
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A Mortar BDD method for solving flow in stochastic discrete fracture networks
... 1 Introduction In geological media, the large variety and complex configurations of fractured net- works make it difficult to describe them precisely. A relevant approach is to model them as Discrete ...
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A new conforming mesh generator for three-dimensional discrete fracture networks
... The discrete fracture network model is one of the most used numerical models to simulate the geometrical structure of a ...as discrete paths for fluid flow through the rock-mass while its matrix is ...
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Stochastic modeling of flow and conservative transport in three dimensional discrete fracture networks
... 3-D discrete fracture networks ...of fracture intensities on the variation of equivalent hydraulic conduc- tivity and the exhibited behaviors of concentration break- through curves (BTCs) in ...
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On iterative techniques for computing flow in large two-dimensional discrete fracture networks
... in discrete fracture networks often involves solving for hydraulic head values at all intersection points of a large number of stochastically generated fractures inside a bounded ...of ...
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Impact of a stochastic sequential initiation of fractures on the spatial correlations and connectivity of discrete fracture networks
... Stochastic discrete fracture networks (DFNs) are classically simulated using stochastic point processes which neglect mechanical interactions between fractures and yield a low spatial correlation in ...
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Natural Fracture Characterization by Source Mechanism Estimation and Semi-Stochastic Generation of Discrete Fracture Networks Using Microseismic and Core Data
... generate discrete fracture networks using microseismic and core data from a natural fractured reservoir that has been hydraulically ...improve fracture characterization, a methodology based on ...
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Applications of the Virtual Element Method to Discrete Fracture Networks
... the fracture generation has a random component, many complex situations arise that render the meshing process very complicated and sometimes im- possible, ...elements, fracture grids have to match in all ...
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Fracture Modeling and Flow Behavior in Shale Gas Reservoirs Using Discrete Fracture Networks
... as fracture drivers ...of fracture intensity which can be populated into a geological framework ...the fracture data, multiple sets of fractures can be identified; these can be the result of ...
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Influence of fracture scale heterogeneity on the flow properties of three-dimensional discrete fracture networks (DFN)
... cumulated fracture surface is much larger with more dead ends and fractures that do not effectively take part to ...the fracture and at the network scale that are both handled sto- ...sparser ...
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A continuum model for coupled stress and fluid flow in discrete fracture networks
... and fracture deformation into the randomly distributed fractured rocks, and provide a tractable solution to optimize the potential flow and production in spatially large fractured ...two fracture walls are ...
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Discontinuous Boundary Elements for Fluid Flow Problems in Discrete Fracture Networks
... (a) 2D BEM planar model (b) Reference 3D FEM solid model F I G U R E 1 1 DFNs of four fractures: domain size is 1 m × 1 m × 1 m , wellbore radius is 0.001 m, fracture apertures are constant and equal to 0.01m; ...
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Connectivity-consistent mapping method for 2-D discrete fracture networks
... tested fracture networks. The first four networks are on-lattice structures whereas the other ones are off-lattice 670 ...smallest fracture l min is set to 100. The fracture density is ...
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The use of discrete fracture networks for modelling coupled geomechanical and hydrological behaviour of fractured rocks
... of fracture networks The numerical methods for geomechanical modelling of frac- tured rocks can be categorised as continuum and discontinuum approaches with the classification based on their treatment of ...
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A globally conforming method for solving flow in discrete fracture networks using the Virtual Element Method
... Table 5.2 shows the net flux in the source and sink fractures, as well as the difference ∆ for various mesh parameters and orders of the VEM space. After extensive numerical experiments a trend emerged in the results; ...
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A globally conforming method for solving flow in discrete fracture networks using the Virtual Element Method
... Table 5.2 shows the net flux in the source and sink fractures, as well as the difference ∆ for various mesh parameters and orders of the VEM space. After extensive numerical experiments a trend emerged in the results; ...
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Identifying Non Darcian Flow and Non Fickian Pressure Propagation in Field Scale Discrete Fracture Networks
... There are three major steps in the Monte Carlo simulation of water flow through saturated field-scale DFNs. First, we generate equally possible but different rea- lizations of stochastic fracture networks ...
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Mixed Virtual Elements for discrete fracture network simulations
... in Discrete Fracture Networks (DFN), using the mixed formulation of the Virtual Element Method (VEM) on polygonal conforming ...resulting discrete problem is ...complex networks are ...
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The virtual element method for discrete fracture network simulations
... VEM, Fracture flows, Darcy flows, discrete fracture networks, optimization methods for elliptic problems AMS subject ...configurations. Discrete Fracture Net- works (DFNs) are ...
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