Comsol fracture flow. Reference [1] Dinesh, P.

Comsol fracture flow 0. G with available depth to water table data and the aquifer parameters. The Porous Media Flow Module includes physics interfaces to model pressure, temperature, and chemical species transport on internal boundaries within a porous matrix. head gradient between the left and right boundary, inducing flow from left to right. Thank you in advance! The combination of COMSOL ® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. In the Darcy’s Law and Fracture Flow interfaces, fractures are now defined using phase-specific properties with the Fracture node. The Fracture Flow (esff) interface (), found under the Porous Media and Subsurface Flow branch when adding a physics interface, is used to simulate flow along interior boundaries representing fractures within a porous or solid medium. One is the representation of the discontinuous nature of geological media embedded with numerous natural fractures, which ubiquitously exist over many different length scales and often do Abstract: There are various alternative options concerning modeling fluid flow within fractures in porous media. 3 In the Number of Fractures text field type 10. The Fracture Flow interface solves for pressure on internal (2D) boundaries within a 3D In this study, a MATLAB® code is linked with the COMSOL Multiphysics® software to trace the fracture propagation and examine the extent of contamination associated with the fracking process. 5 includes the precipitation rate in Ambient data, a new Reacting Flow in The fluid will flow inside the fracture from one side and outside from the three remaining sides. The simulation domain for the hydraulic fracturing is 100m × 2000m. The Porous Media Flow Module includes functionality for modeling single-phase flow in porous media based on Darcy's law, Brinkman's equations, and combinations of free and porous media flow. I'm trying to simulate flow in a fracture. In 18 minutes, we cover how to model a 3D crack problem and obtain the J-integral to calculate the stress intensity factor. It is implemented through The Fracture Flow Interface. 01. The Fracture Flow interface ( ) is a variant of Darcy’s law that defines the flow along interior boundaries representing fractures within a porous (or solid) Is there any other way to realise the fracture flow in this scenario? 0 Replies Last Post 17. Because a geometry is present, the add-in The add-in also creates a Fracture Flow feature following a cubic law in a new or existing Darcy’s Law interface. The available options for the Fluid type are Gas/Liquid (default) or Ideal gas. About Fracture Flow • Equations and Inputs Understanding how fracture flow develops has been an active research area since the 19th century (Ref. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. Understanding how fracture flow develops has been an active research area since the 19 th century . Posted Mar 15, 2017, 4:45 a. The fracture flow interface was used along with Darcy’s Law due 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. 2024, 04:55 GMT-5. The following distributions and 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. explicit fracture models for single-phase flow in fractured porous media using COMSOL Multiphysics is presented to understand the contribution of each individual fracture to fluid flow, and the exchange between fracture and surrounding medium at a scale such that the fractures could be modeled explicitly. com/model/rock-fracture-flow-101 The Fracture Flow node adds fracture flow on boundaries using tangential derivatives to define the flow along interior boundaries representing fractures within a porous medium. P. For all fluid types specify the dynamic viscosity μ (SI unit: Pa·s). 4 Click Study. The most common model for flow in a single fracture is the so-called “cubic law”, in which the fracture is represented by two parallel plates separated by a small aperture. 1). I created two 3D meshes representig the fracture walls with CloudCompare from the 3D image of the rock block. The simulation domain for This paper presents the comparison among modeling strategies, from which emerged that laminar flow in the erosion channel can be modelled using Darcy’s law and the Fracture Flow interface. Scarica i file 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. If you do not hold an on-subscription license, The two blocks are made of porous media, while the shared interior boundary represents a discrete fracture. The Fracture feature has two default subfeatures — the Fluid (Fracture) subfeature where convection and diffusion are specified and the Fracture Material subfeature where the porosity ε p is defined. With the Fracture Flow interface, only highly conductive fractures can be modeled. Knowledge on flow behavior in fractured reservoir rocks is of great interest in petroleum engineering as well as for geothermal assets. Is there any other way to realise the fracture flow in this scenario? 0 Replies Last Post 2024年1月17日 GMT-5 04:55. However, when some CO2 reaches the end of the fracture and needs to enter the reservoir, it is difficult to converge. The fracture is represented as an interior boundary, meaning Darcy’s law is solved on the surface instead of in a volume by adding the Fracture Flow I am studying how to model the flow in fracture in porous media. Now I cannot figure out how the fracture flow works in the contact pairs. 14 3 | 裂缝性储层中的流动其中 ff 是裂隙的摩擦因子。流动仅由压力梯度 p (Pa) 驱动，后者由达西定律描述和如下所示的质量守恒描述其中 (m2) 为多孔基体渗透率， (Pa·s) 和 (kg/m3) 分别是水的动力黏度和密度。在裂隙中，达西定律的切向形式是控制方程。 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. It shows how to use experimental data interpolated to a function used in the equation. 2 In the Settings window for Interpolation, locate the Definition section. 2a 0 Replies . 5 In the Select Study tree, select General Studies>Stationary. Lower and upper horizontal lines represent no-flow boundaries. Here, q f is the volume flow rate per unit length in the fracture, κ f is the fracture’s permeability, μ is the fluid dynamic viscosity, d f is the aperture or fracture thickness, ∇ T denotes the gradient operator restricted to the fracture’s tangential plane, p is the pressure, ρ is the fluid density, g is the acceleration of gravity, and D represents the vertical coordinate. The fracture flow interface was used along with Darcy’s Law due to the capability to create fracture as a boundary within the model geometry. , Kartha, S. The Fracture Flow node adds fracture flow on boundaries using tangential derivatives to define the flow along interior boundaries representing fractures within a porous medium. The Barnett Shale formation in Texas, US was considered as the stimulated target reservoir. Edges and points form the “boundaries” of the geometries where the Fracture Flow interface is defined, which are faces in 3D and boundaries in 2D. Additional subnodes are available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu. GEOMETRY 1 Using the CAD kernel is recommended for modeling 3D discrete This paper presents the comparison among modeling strategies, from which emerged that laminar flow in the erosion channel can be modelled using Darcy’s law and the Fracture Flow interface. Here, q f is the volume flow rate per unit length in the fracture, κ f is the fracture’s permeability, μ is the fluid dynamic viscosity, d f is the aperture or fracture thickness, ∇ T denotes the gradient operator restricted to the fracture’s tangential plane, p is the pressure, ρ is the fluid density, g is the acceleration of gravity The Fracture Flow (ff) interface (), found under the Porous Media and Subsurface Flow branch when adding a physics interface, is used to simulate flow along faults and fractures represented as boundaries. Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. The two blocks are made of porous media, while the shared interior boundary represents a discrete fracture. The Darcy’s law physics interface is used to solve both the porous media flow and the fracture flow. I am using comsol 4. A discrete fracture network (DFN) based on geological data [1] was imported Dear Comsol community, I've been trying to model fracture flow in a porous media and I've encountered a big problem. Posted 15 mars 2017, 04:45 UTC−4 Fluid & Heat, Geomechanics Version 5. COMSOL Multiphysics 基本软件包没有专门求解立方定律的物理场接口，但在“数学” 分支下有两个接口：求解二维模型的“对流和扩散”接口，以及求解三维情况的“系 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. We give a general overview, with remarks concerning the modeling using The Fracture Flow interface uses tangential derivatives to define the flow along the interior boundaries representing fractures within a porous (or solid) block. Reference [1] Dinesh, P. As they are almost identical to the boundary conditions of the Fracture Flow interface, see Domain, Boundary, Edge, Point, and Pair Nodes for the Fracture Flow Interface for further description. The the reservoir. Contact; English . A first use of the numerical model is also presented, concerning the optimization of the size of the small-scale set-up. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for help. This feature contains a 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. The Fracture Flow (ff) interface (), found under the Porous Media and Subsurface Flow branch when adding a physics interface, is used to simulate flow along faults and fractures represented as boundaries. Posted 2017年3月15日 GMT-4 04:45 Fluid & Heat, Geomechanics Version 5. Learn several different approaches for simulating various types of flow through porous media. The most common model for flow in a single fracture is the so-called “cubic Generally speaking, there are two major challenges in modeling coupled hydromechanical processes in fractured media. The geometry and extension of the model region is depicted in Figure 2. 4 Click Browse. Particular functionality may be common to several products. Dieses Beispiel veranschaulicht Anwendungen diesen Typs, For the Fracture boundary node several subnodes are available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu. The Fracture Flow Interface theory is described in this section:. COMSOL also has other interfaces like fracture flow, which can be utilised to model flow and contaminant transport through fractured porous media The Fracture Flow node adds fracture flow on boundaries using tangential derivatives to define the flow along interior boundaries representing fractures within a porous medium. Modelling fracture flow in stress field. 4 In the Dependent variable text field, type H. The most common model for flow in a single fracture is the so-called “cubic law”, in which the fracture is represented by two The Fracture Flow Interface theory is described in this section:. Téléchargez The two blocks are made of porous media, while the shared interior boundary represents a discrete fracture. Due to the big difference of magnitude (fracture aperture: ~?m, lateral extension of reservoirs ~km), Rock Fracture Flow. A first use of the numerical model is also For a consistent model, use a Fracture Flow feature in a Darcy’s Law interface to compute the fluid flow velocity in the fracture. The fracture flow interface was used For the Fracture boundary node several subnodes are available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu. %PDF-1. comsol. The selection determines how the density and compressibility of the fluid are set. Flow across the boundary of fracture (leak-off phenomena) (I still have no idea how to set up boundary of this). Is there any other way to realise the fracture flow in this scenario? 0 Replies Last Post 17 gen 2024, 04:55 GMT-5. 2024, 01:55 UTC−8. 2 In the Settings window for Discrete Fracture Network - 3D, locate the General section. 5 includes the precipitation rate in Ambient data, a new Reacting Flow in 建模所需的 comsol ® 产品组合取决于多种因素，包括边界条件、材料属性、物理场接口及零件库，等等。不同模块可能具有相同的特定功能，详情可以查阅技术规格表，推荐您通过免费的试用许可证来确定满足您的建模需求的正确产品组合 Is there any other way to realise the fracture flow in this scenario? 0 Replies Last Post 17 janv. The physics interface uses a variant of Darcy’s law and can be used for stationary and time-dependent analysis. the reservoir. Ather Abbas If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for help. The flow is induced by a pressure, resp. Finally for one of the testcases some results of an extensive sensitivity study is See how to model porous media flow in COMSOL Multiphysics ® in this archived webinar. I’ve seen one of your models in 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. The fracture is represented as an interior boundary, meaning Darcy’s law is solved on the surface instead of in a volume by adding the Fracture Flow 3D Modelling of Fracture Flow in Core Samples Using μ-CT Data Stefan Hoyer1, Ulrike Exner2, Maarten Voorn1, Alexander Rath3 1Department of Geodynamics and Sedimentology, University of Vienna, Austria 2Museum of Natural History, Vienna, Austria 3OMV ESG-D Production Geology, Vienna, Austria Abstract Introduction: Knowledge on flow behavior in fractured Modelling fracture flow in stress field. 6 | DISCRETE FRACTURE NETWORK — 2D PROPERTIES In this section you specify the hydraulic properties of the fracture network. 2 In the Select Physics tree, select Mathematics>Classical PDEs>Convection- Diffusion Equation (cdeq). Specify Porosity and Roughness factor and select between different distribution functions for the aperture. K. The fracture flow interface was used along with Darcy’s Law due COMSOL Multiphysics 基本软件包没有专门求解立方定律的物理场接口，但在“数学” 分支下有两个接口：求解二维模型的“对流和扩散”接口，以及求解三维情况的“系 To see other new features in the Subsurface Flow Module as of COMSOL Multiphysics 5. アプリ Fracture flow, Darcy law and free and porous media flow physics interfaces of COMSOL were used in simulating a fractured core flooding test to achieve a better understanding of flow partitioning. Modeling mass momentum and energy transport in fractured porous media is relevant to chemical, civil, and nuclear engineers, to name a The Fracture feature for the Fracture Flow interface uses the same settings as the Fracture boundary condition for Darcy’s Law except that the fracture model is not available. Therefore, it is appropriate to represent the host-rock considering only the fracture network. 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. 3 Click Add. Fracture flow ( I am using Darcy' law interface under Porous media and Subsurface Flow) 2. Subsurface Flow Module Updates. Tutorial and files available at https://www. Due to the big difference of magnitude (fracture aperture: ~?m, lateral extension of reservoirs ~km), I have been studying how to simulate the fracture flow in Porous media for my exam at university. 3 From the Data source list, choose File. This paper presents the comparison among modeling strategies, from which emerged that laminar flow in the erosion channel can be modelled using Darcy’s law and the Fracture Flow interface. There are various alternative options concerning modeling fluid flow within fractures in porous media. COMSOL also has other modules like fracture flow model and chemical species transport model which can be utilised to model flow and contaminant transport through fractured porous media. Fracture flow, Darcy law and free and porous media flow physics interfaces of Comsol subsurface flow module have been used in simulating a fractured core flooding test data to achieve a better understanding of fracture-matrix flow partitioning. Can anyone show me how to create the figure 7 in attached file ? (if can, send me more detail as possible as you guys can). 5 From the list, choose Rock Fracture Flow. Most groundwater is channeled through these fractures. Download Files; The combination of COMSOL Knowledge on flow behavior in fractured reservoir rocks is of great interest in petroleum engineering as well as for geothermal assets. When For the Fracture boundary node several subnodes are available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu. The Fracture Flow interface was used to couple the physics of fractures with the surrounding matrix. The add-in also creates a Fracture Flow feature following a cubic law in a new or existing Darcy’s Law interface. To determine the right combination of products for your modeling needs, review the Specification Chart and make 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. Select Constant to assign a constant Aperture to all fractures. NEW In the New window, click Model Wizard. Learn how to use the Subsurface Flow Module to analyze geophysical phenomena with these step-by-step tutorial models. About Fracture Flow • Equations and Inputs The Fracture Flow node adds fracture flow on boundaries using tangential derivatives to define the flow along interior boundaries representing fractures within a porous medium. Modeling mass momentum and energy transport in fractured porous media is relevant to chemical, civil, and nuclear engineers, to name a few. 4 %âãÏÓ 500 0 obj > endobj xref 500 44 0000000016 00000 n 0000001970 00000 n 0000002197 00000 n 0000002224 00000 n 0000002274 00000 n 0000002329 00000 n 0000002378 00000 n 0000002418 00000 n 0000002454 00000 n 0000002623 00000 n 0000002758 00000 n 0000002896 00000 n 0000002976 00000 n 0000003053 00000 n Subsurface Flow Module Updates. Use this physics interface A potential flow model of fluid flow in a rock fracture uses the so-called Reynolds equation. As they are almost identical to the boundary conditions of the Fracture Flow interface, see Domain, Boundary, Edge, Point, and Pair Nodes for the Fracture Flow Interface in the Subsurface Flow User’s Guide for further description. 6 brings updated features for the existing Transport of Diluted Species and Heat Transfer in Porous Media interfaces, a Here, q f is the volume flow rate per unit length in the fracture, κ f is the fracture’s permeability, μ is the fluid dynamic viscosity, d f is the aperture or fracture thickness, ∇ T denotes the gradient operator restricted to the fracture’s tangential plane, p is the pressure, ρ is the fluid density, g is the acceleration of gravity, and D represents the vertical coordinate. A sketch above shows the position of The node assumes that the transport in the tangential direction along the fracture is dominant as a result of lower flow resistance. Rock Fracture Flow. The Subsurface Flow Module extends the COMSOL Multiphysics modeling environment to the quantitative investigation of geophysical and environmental phenomena. I found the "Fracture Flow" interface can be applied on the contact pairs, but it always causes some unexcepted issues. I have found a good documentation from Comsol but I am the beginner so everything is so complicated to me. For users of the Subsurface Flow Module, COMSOL Multiphysics ® version 5. 5 | FLOW IN A FRACTURED RESERVOIR MODEL WIZARD 1 In the Model Wizard window, click 3D. The model uses the Discrete Fracture Network Add-In to create randomized fractures in an existing geometry. Select Uniform random and specify a Minimum aperture and For the Fracture boundary node several subnodes are available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu. In this study, a MATLAB® code is linked with the COMSOL Multiphysics® software to trace the fracture propagation and examine the extent of contamination associated with the fracking process. If the Thin conducting barrier option for the Fracture model is chosen in the parent Fracture feature you can specify the Conductive layer position here. The fracture flow interface was used along with Darcy’s Law due the reservoir. In Darcy’s Law the ‘Cubic Law’ is used to The Fracture feature for the Fracture Flow interface uses the same settings as the Fracture boundary condition for Darcy’s Law except that the fracture model is not available. The following distributions and Improved Handling of Fractures. The fracture flow interface was used along with Darcy’s Law due If the Thin conducting barrier option for the Fracture model is chosen in the parent Fracture feature you can specify the Conductive layer position here. 3, head to the Release Highlights page. 2 | 岩石裂隙流简介自 19 世纪以来，探究流体在裂隙中的流动一直是一个非常活跃的研究领域（参考资料 1）。描述单裂隙水流的最常见模型称为“立方定律”，其中通过一个小孔隙将两个平 the reservoir. Watch this archived webinar to learn the basics of modeling fracture mechanics with COMSOL Multiphysics ®. Choose between Both sides, Upside, and Downside. The transport of heat occurs faster in the fractures that in the surrounding medium, so in this sense, heat transfer in fractures filled with fluids is more similar to a highly conductive layer than to a thin thermally resistive layer. The fracture is Rock Fracture Flow. Fracture Flow. 7 | ROCK FRACTURE FLOW 3 In the table, enter the following settings: Interpolation 1 (int1) 1 In the Home toolbar, click Functions and choose Global>Interpolation. Fractures within a porous medium affect the flow properties through the porous matrix. In the equation view, I found a "Lagrange multipier for pressure" is added in the depended variables when I applied "Fracture flow" on "Contact pairs". I don't know where the problem lies, nor do I know how to deal with this situation. The Subsurface Flow Module offers the Fracture Flow interface for a 2D representation of the Darcy flow field in fractures and cracks. We give a general overview, with remarks concerning the modeling using COMSOL Multiphysics. A. I've modeled a well pumping at the rate of 1 m^3/s. The fracture flow interface was used along with Darcy’s Law due Subsurface Flow Module Updates. A sketch above shows the position of 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for COMSOL Multiphysics 基本软件包没有专门求解立方定律的物理场接口，但在“数学” 分支下有两个接口：求解二维模型的“对流和扩散”接口，以及求解三维情况的“系 5 | FLOW IN A FRACTURED RESERVOIR MODEL WIZARD 1 In the Model Wizard window, click 3D. , Dutta, S. Dinesh [1], A. The most common model for flow in a single fracture is the so-called “cubic law”, in 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. Define an interpolation function using the aperture data available in a file. A potential flow model of fluid flow in a rock fracture uses the so-called Reynolds equation. The video focuses on homogeneous approaches, like Darcy’s law for slow flow and the Brinkman equations When CO2 continues to be injected into the aquifer and does not reach the end of the fracture, the model converges well. Groundwater Flow Modeling Using COMSOL Multiphysics and GMS Software: A Comparison . 2 In the Select Physics tree, select Fluid Flow>Porous Media and Subsurface Flow> Darcy’s Law (dl). m. Moreover we define and study two test cases for intercomparison. I really need a 6 | FLOW IN A FRACTURED RESERVOIR GLOBAL DEFINITIONS Discrete Fracture Network — 3D 1 1 In the Model Builder window, under Global Definitions click Discrete Fracture Network — 3D 1. Dikshit [2], P. I suspect the results to be incorrect by looking at the plots. “Groundwater Flow Modeling of Kosi Alluvial Fan in Bihar State using GMS 3D Grid Approach”. In COMSOL Multiphysics®, the Subsurface Flow Module was used to model the saturated porous media flow through Darcy’s Law. A sketch above shows the position of the reservoir. In the descriptions for these nodes, replace the Boundary Selection section with the Edge Selection (3D) or Point Selection (2D) section when using the Fracture Flow interface. . Set-up 2 has a diagonally placed fracture in a flow field that is bounded two sides. Application ID: 101. The pumping source is at the bottom center element of the domain. I want to describe 2 physical phenomena: 1. Fracture Flow in Porous Media. Multiphysics module only. EDT Fluid & Heat, Geomechanics Version 5. For the Fracture boundary node several subnodes are available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu. . If you do not hold an on-subscription license, The Fracture Flow (esff) interface (), found under the Porous Media and Subsurface Flow branch when adding a physics interface, is used to simulate flow along interior boundaries representing fractures within a porous or solid medium. The values for the aperture are defined as variables under a variable group node. Fractures in porous media may dominate the flow and a specialized interface for fracture flow can be combined with any of the porous media flow models. Note that while Set-up 2 has a diagonally placed fracture in a flow field that is bounded two sides. GEOMETRY 1 Using the CAD kernel is recommended for modeling 3D discrete Today, guest blogger and Certified Consultant Ionut Prodan of Boffin Solutions, LLC discusses using a hybrid approach to calculate fracture flux in thin structures. Fracture flow, Darcy law and free and porous media flow physics interfaces of COMSOL were used in simulating a fractured core flooding test to achieve a better understanding of flow partitioning. The Fracture Flow Interface has the domain, boundary, edge, point, and pair nodes available from the Physics ribbon toolbar (Windows users), In the COMSOL Multiphysics Reference Manual see Table 2-4 for links to common sections and Table 2-5 to common feature nodes. The latter is only required if a linearized storage model has been selected in the parent Fracture node. It is implemented through . When fractures occur in porous media, fluid flow tends to move faster than in the bulk medium. 4 includes new Phase Transport and Phase Transport in Porous Media interfaces, as well as a Multiphase Flow in Porous Fracture Flow in Porous Media. This model shows how to set up a simulation of flow through a fractured reservoir. I am using COMSOL v6. A potential flow model of fluid flow in a rock fracture uses the so-called Reynolds equation. The reservoir includes a discrete fracture network (DFN), where the fractures have a randomized distribution of position, size, orientation and aperture. 2 2 | ROCK FRACTURE FLOW Introduction Understanding how fracture flow develops has been an active research area since the 19 th century (Ref. 6 Click Done. Additional subnodes are available from the context menu (right-click the parent node) or from the Physics toolbar, Attributes menu. 6 | ROCK FRACTURE FLOW Modeling Instructions From the File menu, choose New. MODEL WIZARD 1 In the Model Wizard window, click 2D. For User defined , enter values or expressions for the velocity components in the table shown. Dear Comsol community, I've been trying to model fracture flow in a porous media and I've encountered a big problem. CONTENTS| 3 Contents Chapter 1: Introduction About the Subsurface Flow Module 14 How the Subsurface Flow Module Helps Improve Your Modeling . The Application Gallery features COMSOL Multiphysics The reservoir includes a discrete fracture network (DFN), where the fractures have a randomized distribution of position, A potential flow model of fluid flow in a rock fracture uses the so-called Reynolds equation. yvfjuo jtki ymzamlm ixd ilqx tgdkxft sgmpd qhbsxn fluig cadbl