CN111539093A - High-temperature flue gas distribution linkage CA model for personnel evacuation simulation - Google Patents
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Abstract
The invention discloses a high-temperature flue gas distribution linkage CA model for personnel evacuation simulation, which comprises the following steps: generating data, namely generating fire information, natural information and personnel information through a data simulation system for simulation and derivation; the data matching is realized by calling the data of the cloud database, comparing and screening the generated data, marking abnormal data, generating a log, then performing data backup, and storing the data backup into the database; data noise reduction is carried out, and data noise reduction processing is carried out on the data; data import, namely packaging and editing the generated and modified data and importing the data into an Agent-CA model; and the CA model generates a high-temperature smoke distribution linkage model based on the Agent-CA model. According to the invention, natural data is added, so that the fire scene data can be better restored, the reliability of the fire scene high-temperature flue gas distribution linkage CA model can be improved, personnel evacuation can be better carried out, the personnel evacuation efficiency is improved, and the manpower and financial loss is reduced.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a high-temperature smoke distribution linkage CA model for personnel evacuation simulation.
Background
"fire control" is to eliminate hidden troubles and prevent disasters (i.e. the general term for preventing and solving human, natural and accidental disasters in life, work and learning process of people), and the meaning of the narrow sense is that: meaning (extinguishing) fire. Modern-sense fire fighting can be understood more deeply as eliminating danger and preventing disasters. Modern fire control through modern science and technology, simulates the condition of a fire, is favorable to carrying on personnel to evacuate, conveniently controls the condition of a fire, and current model, data reliability is limited, receives environmental information influence easily, so the high temperature flue gas distribution linkage CA model of the personnel evacuation simulation of now proposing.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a high-temperature flue gas distribution linkage CA model for personnel evacuation simulation.
The invention provides a high-temperature flue gas distribution linkage CA model for personnel evacuation simulation, which comprises the following steps:
s1: generating data, namely generating fire information, natural information and personnel information through a data simulation system for simulation and derivation;
s2: the data matching is realized by calling the data of the cloud database, comparing and screening the generated data, marking abnormal data, generating a log, then performing data backup, and storing the data backup into the database;
s3: data noise reduction is carried out, and data noise reduction processing is carried out on the data;
s4: data import, namely packaging and editing the generated and modified data and importing the data into an Agent-CA model;
s5: and the CA model generates a high-temperature smoke distribution linkage model based on the Agent-CA model.
Preferably, in S1, the staff information is generated through the BIM model, and information such as total staff number, staff intensity and staff movement is generated.
Preferably, in S1, fire information is analyzed by MFIRE, and information such as wind direction, flammability analysis, oxygen content, smoke concentration, and smoke diffusion direction in the fire scene is generated.
Preferably, in S1, the natural information acquired through the network is processed through the BIM model to generate temperature, humidity, wind direction and rainfall information.
Preferably, in S2, the abnormal data in the data is eliminated, and a modification path is created.
Preferably, in S4, the data packet generated by packaging is uploaded and sorted and stored in the database.
Preferably, in S3, data comparison is performed through an ELT platform.
The beneficial effects of the invention are as follows:
1. through gathering the simulation to natural information, add natural data, reduction scene of a fire data that can be better is favorable to promoting the reliability of scene of a fire high temperature flue gas distribution linkage CA model, can be better carry out personnel evacuation, promote personnel evacuation efficiency, reduce the loss of manpower and financial resources.
2. By comparing the database data with the generated data, the reliability of the data can be better improved, abnormal data can be effectively compared and analyzed, and the abnormal data can be conveniently modified.
Drawings
Fig. 1 is a schematic view of a construction process of a high-temperature flue gas distribution linkage CA model for personnel evacuation simulation according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the high-temperature flue gas distribution linkage CA model for personnel evacuation simulation comprises the following steps:
s1: generating data, namely generating fire information, natural information and personnel information through a data simulation system for simulation and derivation;
s2: the data matching is realized by calling the data of the cloud database, comparing and screening the generated data, marking abnormal data, generating a log, then performing data backup, and storing the data backup into the database;
s3: data noise reduction is carried out, and data noise reduction processing is carried out on the data;
s4: data import, namely packaging and editing the generated and modified data and importing the data into an Agent-CA model;
s5: and the CA model generates a high-temperature smoke distribution linkage model based on the Agent-CA model.
In the invention, personnel information is generated through a BIM model in S1, information such as personnel total number, personnel concentration and personnel movement is generated, fire information analysis is carried out through MFIRE in S1, and fire ventilation analysis is carried out through MFIRE. A wind distribution model of high-temperature smoke flow in a network under the condition of fire comprises a loop wind pressure balance law and a node wind volume balance law, and is used for a network with n edges and m nodes.
Wherein c isijIndicating whether the branch and the loop are in the same direction: bijIndicating whether the node is connected with the branch; rj、QjRespectively representing wind resistance and flow; hfIf no corresponding item exists, the wind pressure of the branch fan is zero; htThe fire wind pressure caused by fire disaster is calculated depending on the smoke temperature calculation model. Buoyancy generated by high-temperature smoke flow in fireThe effect is "and" throttling effect ". The buoyancy effect is the phenomenon that the fire wind pressure changes due to the temperature rise and the density reduction. The "throttling effect" is a phenomenon in which the resistance of the wind flow increases due to the increase in temperature of the wind flow and the generation of combustion products. For a circuit with n branches
Wind pressure is calculated according to the following formula
And (3) carrying out numerical simulation on the heat exchange conditions of high-temperature smoke flow and wall surfaces in a large number of typical fire scenes, and finally obtaining the distribution of parameters such as air temperature, air quantity and gas components in the fire scenes and the rule of the change of the parameters along with time.
The method comprises the steps of S1, processing natural information acquired by a network through a BIM model to generate temperature, humidity, wind direction and rainfall information, eliminating abnormal data in the data and creating a modification path in S2, uploading a data packet generated by packaging in S4 and storing the data packet in a database in a classified manner, and comparing the data in S3 through an ELT platform.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. High temperature flue gas distribution linkage CA model of personnel evacuation simulation, its characterized in that includes the following steps:
s1: generating data, namely generating fire information, natural information and personnel information through a data simulation system for simulation and derivation;
s2: the data matching is realized by calling the data of the cloud database, comparing and screening the generated data, marking abnormal data, generating a log, then performing data backup, and storing the data backup into the database;
s3: data noise reduction is carried out, and data noise reduction processing is carried out on the data;
s4: data import, namely packaging and editing the generated and modified data and importing the data into an Agent-CA model;
s5: and the CA model generates a high-temperature smoke distribution linkage model based on the Agent-CA model.
2. The CA model for linkage of high temperature flue gas distribution in personnel evacuation simulation of claim 1, wherein in S1, personnel information is generated through BIM model, and information such as total number of personnel, personnel density and personnel movement is generated.
3. The CA model for linkage of high-temperature smoke distribution of people evacuation simulation as claimed in claim 2, wherein in S1, fire information analysis is performed through MFIRE, and information such as wind direction, flammability analysis, oxygen content, smoke concentration and smoke diffusion direction in a fire scene is generated.
4. The CA model of claim 3, wherein in S1, natural information obtained through a BIM model is processed to generate temperature, humidity, wind direction and rainfall information.
5. The CA model of claim 4, wherein in the step S2, abnormal data in the data are removed, and a modification path is created.
6. The CA model of claim 5, wherein in step S4, the data packets generated by packing are uploaded and stored in a database in a classified manner.
7. The CA model of claim 6, wherein in S3, data comparison is performed by an ELT platform.
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Cited By (1)
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| CN113190906A (en) * | 2021-05-17 | 2021-07-30 | 长沙理工大学 | BIM modeling control method for building |
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