Method for underground water coupling simulation in multi-scale fissure matrix system and device thereof

A multi-scale, fractured technology, applied in the field of fractured water simulation, can solve the problems of reduced accuracy and calculation efficiency, inability to reflect the real state of water flow migration inside the rock mass, and limited ability to describe the multi-scale fractured matrix system. Calculation amount, effect of improving accuracy

Pending Publication Date: 2022-02-18
HEFEI UNIV OF TECH
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Problems solved by technology

However, since this model can only analyze water flow behavior from the perspective of spatial distribution, but has limited ability to describe multi-scale fractured matrix systems, when using this model to simulate water flow migration, the accuracy of simulation calculation and calculation The efficiency will be greatly reduced, and it cannot reflect the true state of water movement inside the rock mass

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  • Method for underground water coupling simulation in multi-scale fissure matrix system and device thereof
  • Method for underground water coupling simulation in multi-scale fissure matrix system and device thereof
  • Method for underground water coupling simulation in multi-scale fissure matrix system and device thereof

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[0057] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, every other embodiment obtained by those skilled in the art withou...

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Abstract

The invention provides a method for underground water coupling simulation in a multi-scale fracture matrix system and a device thereof. The method comprises the following steps: acquiring statistical data of multi-scale fractures of a rock mass in a to-be-simulated area; generating a multi-scale fracture system based on the statistical data of the multi-scale fractures; respectively converting the small-scale discrete fracture model, the medium-scale discrete fracture model and the large-scale discrete fracture model in the multi-scale fracture system to obtain a multi-scale fracture matrix continuous medium model; and simulating water flow migration and solute migration of the rock mass through a multi-scale fracture matrix continuous medium model to obtain a water head distribution simulation diagram and a concentration distribution simulation diagram of the rock mass. By means of the method and the device, cracks of various scales in the rock mass can be simulated, the accuracy of rock mass water flow migration and solute migration simulation can be improved, and then the real state of underground water in the rock mass can be simulated more accurately.

Description

technical field [0001] The present application relates to the field of fissure water simulation in complex fractured rock mass, in particular, to a method and device for coupled simulation of groundwater in a multi-scale fracture matrix system. Background technique [0002] Fractures are geological structures that widely exist in rock mass, and have a significant impact on the mechanical and hydraulic properties of rock mass, which is of great significance for underground resource extraction, waste storage, and environmental restoration. The joint action of multi-scale fractures and rock matrix makes the fluid movement behavior in fractured rock mass extremely complex. This makes it extremely challenging to simulate water flow and solute transport in complex fractured rock masses. [0003] At present, the main model method for simulating fractured rock mass is to use the discrete fracture network model. The discrete fracture network model is a method to accurately describe...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06F30/28G06F111/10G06F113/08G06F119/14
CPCG06F30/23G06F30/28G06F2111/10G06F2113/08G06F2119/14
Inventor 马雷高迪钱家忠赵卫东骆乾坤闫永帅
Owner HEFEI UNIV OF TECH
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