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parameter self-calibration method based on an InfoWorks ICM water quality model

A water quality model and parameter technology, which is applied in general water supply conservation, data processing applications, electrical digital data processing, etc., can solve problems such as difficulties, instability of InfoWorksICM model simulation results, lack of basic data, etc., to achieve effective simulation and improve application The effect of effectiveness and efficiency

Active Publication Date: 2019-05-24
FUZHOU URBAN CONSTR DESIGN RES INST CO LTD +1
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Problems solved by technology

[0003] At present, when most designers and researchers use InfoWorks ICM for modeling, due to the late start of water quality simulation research in my country and the relative lack of basic data, the default values ​​of the water quality model parameters are directly used in the modeling process, ignoring the The limitations of the application of foreign models in my country, the lack of analysis of the internal mechanism of the model and the method of parameter calibration and optimization lead to the instability of the simulation results of InfoWorks ICM, which brings great difficulties to the work of using the InfoWorks ICM model to guide the management of urban water environment. great difficulty and inconvenience

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  • parameter self-calibration method based on an InfoWorks ICM water quality model

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[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0025] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0026] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combina...

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Abstract

The invention relates to a parameter self-calibration method based on an InfoWorks ICM water quality model, which comprises the following steps: firstly, developing API programs of three ICM models byadopting a Ruby programming language based on an ICMExchannel platform, including a water quality parameter batch import program, a multi-network parallel program, a result batch exporting program; Secondly, adopting a MATLAB programming language, a calibration objective function and a termination criterion are designed, carrying out parameter adjustment by means of a genetic optimization algorithm in combination with parameter sensitivity analysis, finally converging parameters into a smaller interval, and achieving high-precision simulation of regional water quality. According to the invention, the application effect and efficiency of the InfoWorks ICM water quality model on each research water body are improved, and the water quality index can be simulated more accurately and effectively.

Description

technical field [0001] The invention relates to the technical field of urban hydrological models, in particular to a parameter self-calibration method based on the InfoWorks ICM water quality model. Background technique [0002] The InfoWorks ICM model realizes the integration of the urban drainage network system model and the river and lake model, which can more realistically simulate the interaction between the underground drainage network system and the surface receiving water body. It fully combines a 1D hydraulic model of urban drainage networks and channels with a 2D flood inundation model of urban watersheds in a single simulation engine. Among many digital hydrological models, InfoWorks ICM is being used more and more because of its accuracy in simulating and evaluating the drainage system’s control effect on water quantity and quality, the operability of model establishment and scheme comparison, and the diversity of result expression forms. The more people in the ...

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Application Information

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IPC IPC(8): G06F17/50G06Q50/06
CPCY02A20/152
Inventor 魏忠庆言铭陆丽君上官海东黄翔峰李汇沣
Owner FUZHOU URBAN CONSTR DESIGN RES INST CO LTD
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