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Lake and groundwater steady flow effect simulation method based on groundwater model

A simulation method and groundwater technology, applied in CAD numerical modeling, special data processing applications, instruments, etc., to achieve the effects of avoiding numerical oscillation, facilitating convergence, and ensuring continuity

Active Publication Date: 2018-11-06
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

[0003] The purpose of the invention is to propose a method for simulating the interaction between a lake and groundwater steady flow based on a groundwater model, and to solve the following problems in the prior art in simulating the interaction between lakes and groundwater:

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  • Lake and groundwater steady flow effect simulation method based on groundwater model
  • Lake and groundwater steady flow effect simulation method based on groundwater model
  • Lake and groundwater steady flow effect simulation method based on groundwater model

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[0044] Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that the implementations shown and described in the drawings are only exemplary, intended to explain the principle and spirit of the present invention, rather than limit the scope of the present invention.

[0045] The embodiment of the present invention provides a method for simulating the interaction between lakes and groundwater steady flow based on the groundwater model, such as figure 1 As shown, including the following steps S1-S9:

[0046] Step S1 specifically includes:

[0047] S1-1. Discretize the lake.

[0048] The spatial discretization of the lake is the premise and basis for the coupled simulation of the lake-groundwater interaction, which largely determines the choice of the calculation method. The processing process in the embodiment of the present invention is: the grid unit of the aquifer where the lake bo...

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Abstract

The invention discloses a lake and groundwater steady flow effect simulation method based on a groundwater model, so that a brand-new technical means is provided for simulation of lake and groundwatersteady flow interaction. According to the method, the problem that the subdivision of a groundwater grid system and the lake depicting are mutually dependent in the prior art is solved, so that the subdivision of the groundwater grid system and the lake depicting are mutually independent, the applicability of the method is greatly improved on one hand, and the problem of numerical oscillation caused by relatively numerous vertical subdivision layers in a simulation process is effectively avoided on the other hand.

Description

technical field [0001] The invention belongs to the technical field of groundwater numerical simulation, and in particular relates to the design of a simulation method for the interaction between a lake and groundwater steady flow based on a groundwater model. Background technique [0002] Lakes are natural or artificial depressions that are relatively closed on the surface and can store water. Most of them are located in the shallow buried deep zone of groundwater, and have a significant hydraulic connection with groundwater, especially diving. Coupling simulation of lake-groundwater interaction is an important aspect of research in groundwater numerical models. For example, MODFLOW is currently widely used and has developed the LAK3 software package for users. However, the coupling simulation of lake-groundwater interaction has its difficulty and complexity. First, the lake water level is dynamically changed due to the influence of groundwater recharge / discharge, which can...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20G06F2111/10
Inventor 陆垂裕孙青言曹国亮张博赵勇严聆嘉王建华李天辰刘建刚
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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