Mathematical model-based urban waterlogging analysis method

An analysis method and technology for urban waterlogging, applied in CAD numerical modeling, data processing applications, electrical digital data processing, etc., can solve problems such as lack of clear understanding and complexity of disaster-causing mechanisms, and achieve good versatility and simulation accuracy. high effect

Inactive Publication Date: 2019-09-10
HOHAI UNIV
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Problems solved by technology

The effectiveness of these engineering measures depends on the causes of urban waterlogging. Due to the relatively complex internal m

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  • Mathematical model-based urban waterlogging analysis method
  • Mathematical model-based urban waterlogging analysis method
  • Mathematical model-based urban waterlogging analysis method

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Embodiment Construction

[0037] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0038] like figure 1 Shown, a kind of analysis method based on mathematical model urban waterlogging, described method comprises the steps:

[0039] S1. Analysis of causes of waterlogging;

[0040] S2. Collection of basic data;

[0041] S3. Model construction and calibration verification;

[0042] S4. Multi-model coupling calculation;

[0043] S5. Analysis of waterlogging impact.

[0044] The analysis of the causes of waterlogging described in step S1 generally includes the analysis of influencing factors such as urban climate, urban underlying surface, drainage capacity of urban rainwater pipe network, and river flooding.

[0045] The basic data collection described in step S2 includes geographical data, hydrological and historical flood wat...

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Abstract

The invention discloses a mathematical model-based urban waterlogging analysis method. The method comprises the following steps of s1, waterlogging cause analysis; s2, basic data collection; s3, modelconstruction and calibration verification; s4, multi-model coupling calculation; and s5, waterlogging influence analysis. According to the invention, the waterlogging forecasting model is established; the runoff production partitioning, river network generalization and flood evolution calculation are carried out on a research area; according to a model calculation result, waterlogging influence analysis is carried out on a research area, a geographic information technology, measured data and numerical simulation are organically combined, the influence of multiple factors is comprehensively considered, forecasting simulation is reasonably carried out on the urban waterlogging influence of the plain tidal river network area, and therefore the purposes of urban waterlogging scientific management and comprehensive prevention and control are achieved.

Description

technical field [0001] The invention belongs to the field of water environment numerical simulation, and in particular relates to an analysis method for urban waterlogging based on a mathematical model. [0002] Background technique: [0003] Measures to mitigate urban waterlogging include engineering measures such as drainage system improvements, green infrastructure, and low-impact development measures. The effectiveness of these engineering measures depends on the causes of urban waterlogging. Due to the relatively complex internal mechanism of cities, there is still a lack of clear understanding of the disaster-causing mechanism of urban rainstorm waterlogging. The main causes of urban rainstorm and waterlogging are heavy rainfall and insufficient drainage capacity; it also includes many environmental factors, such as the influence of topography, insufficient open space due to improper urban planning, etc. Although these engineering measures have achieved some effects to...

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Application Information

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IPC IPC(8): G06F17/50G06Q10/04G06Q50/26
CPCG06Q10/04G06Q50/26G06F2111/10G06F30/20Y02A10/40Y02A90/10
Inventor 李一平程一鑫施媛媛朱晓琳朱雅程月黄亚男魏蓥蓥潘泓哲
Owner HOHAI UNIV
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