CN-120745178-B - Urban system simulation model coupling method, equipment and product based on disaster chain

CN120745178BCN 120745178 BCN120745178 BCN 120745178BCN-120745178-B

Abstract

The invention discloses a city system simulation model coupling method, equipment and a product based on a disaster chain, wherein the method comprises the steps of collecting city related data and flood related data; the method comprises the steps of classifying urban related data according to different urban system types to obtain first modeling data of different types of urban systems, classifying flood related data to obtain second modeling data related to flood related to operation of different types of urban systems, constructing different types of urban system models according to the first modeling data and/or the second modeling data of the different types of urban systems, analyzing disaster chains of the flood related data to determine disaster chains of various types of water disasters, coupling the urban system models and the disaster chains of various types of water disasters to generate an urban system disaster simulation model fusing the disaster chains of the composite water disasters, and carrying out urban system simulation model coupling by considering the disaster chains of the composite flood, so that accuracy of urban composite water disaster prediction can be improved.

Inventors

LU PEIJUN
SUN YIMIN
WANG CHENGFANG
WANG YICHENG
SU PING
ZHANG WENYU
HUANG ZUJIAN

Assignees

华南理工大学

Dates

Publication Date: 20260512
Application Date: 20250618

Claims (9)

1. A city system simulation model coupling method based on disaster chains is characterized by comprising the following steps: collecting city related data and flood disaster related data; classifying the city related data according to different city system types to obtain first modeling data of different types of city systems; Classifying the flood disaster related data to obtain second modeling data related to flood disaster affecting the operation of different types of urban systems; Constructing different types of urban system models according to the first modeling data and the second modeling data of different types of urban systems, wherein the urban system models comprise urban river channel and rainwater pipeline systems, urban surface water simulation systems, urban energy systems, urban traffic network systems and urban water supply systems; Performing disaster chain analysis on the related data of the flood disasters to determine disaster chains of various types of water disasters; coupling the urban system model with disaster chains of various water disasters to generate an urban system disaster simulation model fused with the disaster chains of the composite water disasters; The city system model is coupled with disaster chains of various types of water disasters to generate a city system disaster simulation model integrating the disaster chains of the composite water disasters, and the city system disaster simulation model comprises: Establishing connection between the urban river and rainwater pipeline system and the urban surface water simulation system to generate an urban water circulation path; Establishing connection between the urban surface water simulation system and the urban energy system to generate an urban energy control path; Establishing connection between the urban energy system and the urban traffic network system to generate a first urban traffic travel control path; establishing connection between the urban energy system and the urban water supply system to generate a first urban water supply control path; Establishing connection between the urban surface water simulation system and the urban traffic network system to generate a second urban traffic travel control path; establishing connection between the urban surface water simulation system and the urban water supply system to generate a second urban water supply control path; Establishing connection between secondary disasters in disaster chains of various types of water disasters and each system in the urban system model, and generating an urban secondary disaster influence path; And generating the urban system disaster simulation model according to the urban system model, the urban water circulation path, the urban energy control path, the first urban traffic travel control path, the first urban water supply control path, the second urban traffic travel control path, the second urban water supply control path and the urban secondary disaster influence path.
2. The method for coupling a simulation model of a city system based on a disaster chain as set forth in claim 1, wherein the city related data comprises city topography data, river network data, traffic network data, infrastructure data, land utilization data, soil data, building data, energy system data, geographic data, socioeconomic data, population data, trip behavior data, water source data, water demand data, network operation control data, and overflow water volume data, and the flood related data comprises storm disaster data, river flood data, ocean water level variation data, and weather data.
3. The method for coupling simulation models of urban systems based on disaster chains as set forth in claim 2, wherein the first modeling data of the urban river and rain water pipeline system comprises urban terrain data, river network data, land utilization data and overflow volume data, and the second modeling data of the urban river and rain water pipeline system comprises storm disaster data, river flood data and ocean water level change data; The method comprises the following construction processes of the urban river and rainwater pipeline system: initializing parameters of a storm flood management model; Inputting the urban topography data, the river channel pipe network data, the land utilization data, the overflow water volume data, the storm disaster data, the river flood data and the ocean water level change data into an initialized storm flood management model for simulation operation, and outputting a model simulation result; And carrying out parameter adjustment on the storm flood management model according to the model simulation result and the pre-acquired observation data of the urban river and the rainwater pipeline until the model simulation result output by the storm flood management model and the loss of the observation data are within a preset loss threshold range, so as to obtain the urban river and the rainwater pipeline system.
4. The method for coupling a simulation model of a city system based on a disaster chain as set forth in claim 3, wherein the first modeling data of the city surface water simulation system comprises city topography data, land utilization data and soil data, and the second modeling data of the city surface water simulation system comprises storm disaster data, wherein the city surface water simulation system is obtained by modeling by adopting a distributed hydrological model according to the city topography data, the river pipe network data, the land utilization data, the soil data and the storm disaster data; The first modeling data of the urban energy system comprises building data, geographic data, energy system data and socioeconomic data, and the second modeling data of the urban energy system comprises meteorological data, wherein the urban energy system is obtained by modeling by adopting an urban energy modeling model according to the building data, the geographic data, the energy system data, the socioeconomic data and the meteorological data; The first modeling data of the urban traffic network system comprises population data, traffic network data, infrastructure data and travel behavior data, wherein the urban traffic network system is obtained by modeling by adopting a traffic simulation model based on multiple intelligent agents according to the population data, the traffic network data, the infrastructure data and the travel behavior data; The first modeling data of the urban water supply system comprises river pipe network data, water source data, water demand data and pipe network operation control data, and the urban water supply system is obtained by modeling a water supply pipe network hydraulic power and water quality simulation model according to the river pipe network data, the water source data, the water demand data and the pipe network operation control data.
5. The disaster chain based city system simulation model coupling method of claim 1, wherein said establishing a connection between said city river and rain water piping system and said city surface water simulation system generates a city water circulation path comprising: establishing connection between water overflow quantity nodes of the urban river and rainwater pipeline systems and ground surface flow connection nodes of the urban surface water simulation system; Establishing connection between a surface water sink node of the urban surface water simulation system and pipe network nodes of the urban river and rainwater pipeline system; In the running process of the urban river and rainwater pipeline system and the urban surface water simulation system, the urban water circulation path is formed through the water overflow quantity node, the ground surface flow joint node, the surface water converging node and the pipe network node.
6. The disaster chain based city system simulation model coupling method of claim 1, wherein said establishing a connection between said city surface water simulation system and said city energy system generates a city energy control path comprising: Establishing connection between a regional water depth detection node of the urban surface water simulation system and a power supply equipment control node of the urban energy system; In the running process of the urban surface water simulation system and the urban energy system, a unidirectional urban energy control path is formed through the regional water depth detection node and the power supply equipment control node.
7. The disaster chain based city system simulation model coupling method of claim 1, further comprising: The method comprises the steps of obtaining predicted flood disaster data, wherein the predicted flood disaster data comprises at least one of predicted storm disaster data, predicted river flood data, predicted ocean water level change data and predicted meteorological data; and inputting the predicted water disaster data into the urban system disaster simulation model to perform simulation operation, and obtaining an urban response strategy under the predicted water disaster data.
8. A disaster chain based city system simulation model coupling device comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the disaster chain based city system simulation model coupling method of any of claims 1 to 7 when the computer program is executed.
9. A computer program product comprising computer programs/instructions which when executed by a processor implement the disaster chain based city system simulation model coupling method of any of claims 1 to 7.

Description

Urban system simulation model coupling method, equipment and product based on disaster chain Technical Field The invention relates to the technical field of data processing, in particular to a disaster chain-based urban system simulation model coupling method, equipment and a product. Background At present, research of disaster simulation models mainly focuses on evaluation of influence of single disasters on urban single systems (such as traffic systems and land utilization systems), and the disaster risk evaluation field is gradually related to comprehensive analysis of the whole urban systems. The existing disaster simulation scheme mainly aims at extreme water disaster simulation in the water field, is less in compound disaster types in the water simulation, is limited to the influence of surface water on urban systems, and mainly aims at various disasters such as flood, drought, landslide, mud-rock flow, avalanche, astronomical tide-storm tide-flood-salty tide-precipitation, but is used for simulating coastal areas, river networks and open sea areas, and does not relate to cities. In summary, although disaster simulation has been attempted in the field of discussing complex disasters or multi-disaster interactions and their effects. However, there is still a significant gap in the research on how composite water disasters act on the whole urban system. The existing simulation method does not consider the complex effect of the composite water disaster and the influence of the chain effect on the whole city system, so that the real-time performance and the accuracy of the city prediction in the face of the composite water disaster are influenced, and the prediction accuracy is lower. Disclosure of Invention Aiming at the problems existing in the prior art, the embodiment of the invention provides a disaster chain-based urban system simulation model coupling method, equipment and product, which are used for carrying out urban system simulation model coupling by considering a disaster chain of a composite flood, so that the accuracy of urban composite water disaster prediction can be improved. In a first aspect, an embodiment of the present invention provides a disaster chain-based urban system simulation model coupling method, including: collecting city related data and flood disaster related data; classifying the city related data according to different city system types to obtain first modeling data of different types of city systems; Classifying the flood disaster related data to obtain second modeling data related to flood disaster affecting the operation of different types of urban systems; Constructing city system models of different types according to the first modeling data and/or the second modeling data of the city systems of different types; Performing disaster chain analysis on the related data of the flood disasters to determine disaster chains of various types of water disasters; and coupling the urban system model with disaster chains of various water disasters to generate an urban system disaster simulation model fused with the disaster chains of the composite water disasters. As an improvement of the scheme, the city related data comprise city topography data, river pipe network data, traffic network data, infrastructure data, land utilization data, soil data, building data, energy system data, geographic data, socioeconomic data, population data, trip behavior data, water source data, water use demand data, pipe network operation control data and overflow water volume data, and the flood related data comprise storm disaster data, river flood data, ocean water level change data and meteorological data. The urban system model comprises an urban river channel and rainwater pipeline system, wherein first modeling data of the urban river channel and rainwater pipeline system comprise urban terrain data, river channel pipe network data, land utilization data and overflow water volume data, and second modeling data of the urban river channel and rainwater pipeline system comprise storm disaster data, river flood data and ocean water level change data; The method comprises the following construction processes of the urban river and rainwater pipeline system: initializing parameters of a storm flood management model; Inputting the urban topography data, the river channel pipe network data, the land utilization data, the overflow water volume data, the storm disaster data, the river flood data and the ocean water level change data into an initialized storm flood management model for simulation operation, and outputting a model simulation result; And carrying out parameter adjustment on the storm flood management model according to the model simulation result and the pre-acquired observation data of the urban river and the rainwater pipeline until the model simulation result output by the storm flood management model and the loss of the observation data are within a preset loss threshold range, so