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Method for establishing coupling model for simulating offshore seawater exchange rule

A coupling model and establishment method technology, applied in the field of coupling model establishment, can solve the problems of complex grid division and simulation boundary setting, increase of model calculation amount, unfavorable model establishment, etc., so as to prevent water environment pollution and reduce calculation amount , the effect of water pollution control

Active Publication Date: 2019-09-27
XIAN UNIV OF TECH
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Problems solved by technology

Among the Mike software, the Mike21 software for simulating two-dimensional estuaries and surface water bodies is widely used in water resources research, but most studies only use the Mike21 hydrodynamic model (HD) for research, or simply combine water quality functions for research, and fail to integrate Effective combination of different functions of Mike21 software to give full play to software functions
In addition, in the process of using Mike software to simulate the exchange of water bodies in coastal waters, there are problems such as grid division and simulation boundary setting are relatively complicated, which is not conducive to model establishment, and increases the amount of model calculation, which is not conducive to efficient simulation of water bodies in coastal waters exchange law

Method used

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  • Method for establishing coupling model for simulating offshore seawater exchange rule
  • Method for establishing coupling model for simulating offshore seawater exchange rule
  • Method for establishing coupling model for simulating offshore seawater exchange rule

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Embodiment Construction

[0042] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] The specific establishment process of a coupling model for simulating the law of nearshore seawater exchange in the present invention is as follows: figure 1 As shown, the specific steps are as follows:

[0044] Specifically follow the steps below:

[0045] Step 1. Establish the Mike21 hydrodynamic model for the research area;

[0046] Step 2. Calibrate the Mike21 hydrodynamic model according to the measured water level data in the research area;

[0047] Step 3. Establish the Mike21 mass transport model and the Mike21 particle tracking model for the research area, and couple the Mike21 mass transport model and the Mike21 particle tracking model with the Mike21 hydrodynamic model calibrated in step 2 to obtain the coupled model.

[0048] Step 1 specifically includes the following steps:

[0049] Step 1.1, using unstructured grids t...

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Abstract

The invention discloses a method for establishing a coupling model for simulating an offshore seawater exchange rule. The method is specifically implemented according to the following steps: step 1, establishing a Mike21 hydrodynamic model for a research area; step 2, calibrating the Mike21 hydrodynamic model according to the actually measured water level data of the research area; and step 3, respectively establishing a Mike21 substance transmission model and a Mike21 particle tracking model for the research area, and coupling the Mike21 substance transmission model and the Mike21 particle tracking model with the Mike21 hydrodynamic model calibrated in the step 2 to obtain a coupling model. According to the method for establishing the coupling model for simulating the coastal seawater exchange law, Mike21 software can be fully utilized to efficiently simulate the coastal sea area water exchange law.

Description

technical field [0001] The invention belongs to the technical field of offshore seawater environment model construction, and in particular relates to a method for establishing a coupling model for simulating the law of nearshore seawater exchange. Background technique [0002] Water exchange in near-shore waters is a basic subject of marine and coastal environmental science research, and the study of water exchange in near-shore seas is an important indicator and means for evaluating the self-purification ability of near-shore waters and maintaining the coastal water environment. Water exchange in coastal waters is a complex process. There are many factors that affect water exchange. For example, human factors such as tides, wind, circulation, waves, and pollutant discharge will affect the water quality of near-shore water environment, and then affect the exchange of near-shore water. . [0003] There are mainly traditional methods and numerical simulation methods for study...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F2119/06G06F30/20
Inventor 白涛张明张君名武连洲魏健马旭马盼盼慕鹏飞刘夏
Owner XIAN UNIV OF TECH
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