CN105701322B - A kind of oil-gas pipeline Failure Simulation system and method - Google Patents
A kind of oil-gas pipeline Failure Simulation system and method Download PDFInfo
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Abstract
The invention discloses a kind of oil-gas pipeline Failure Simulation system and methods, and the system comprises data input module, mechanism emulation module and outdoor scenes to render emulation module.Data input module receives underlying parameter input by user, and underlying parameter includes operating parameter, location parameter and scenario parameters；Mechanism emulation module is simulated according to the operating parameter, the leakage that oil-gas pipeline may occur, diffusion, fire, explosion and damage sequence, real-time output numerical value simulation result；Outdoor scene renders the threedimensional model that emulation module establishes accident scene according to scenario parameters, and dynamic demonstration comes out by way of three-dimensional rendering by Numerical Simulation Results；According to the location parameter and Numerical Simulation Results, the hazard area of accident is shown on map.The simulation that underlying parameter can be realized to consequence caused by oil-gas pipeline accident generating process and accident possibility need to be only inputted as a result, improves the safety and stability that oil-gas pipeline is run convenient for analyzing the reason of causing accident.
Description
Technical field
The present invention relates to analog simulation field more particularly to a kind of oil-gas pipeline Failure Simulation system and methods.
Background technology
The reason of causing Pipeline Failure has very much, the trace and phase that people leave after occurring often through investigation accident
Close the occurrence cause that information speculates accident.By the explanation to accident occurrence cause, people are to be investigated as a result, but
There is no the process to accident there are one image and clearly recognizes.
Moreover, people are typically that existing security risk and problem are just recognized or exposed after accident occurs,
Various emergency preplans can not be specified in advance, and also targetedly can not carry out simulation to pipe leakage problem that may be present drills
Practice.
Therefore, the existing technology needs to be improved and developed.
Invention content
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of oil-gas pipeline Failure Simulation system and
Method is conducive to restore accident process, formulates corresponding emergency preplan, training by carrying out analog simulation to oil-gas pipeline accident
Instruction personnel etc..
Technical scheme is as follows：
A kind of oil-gas pipeline Failure Simulation system, including：
Data input module, for receiving underlying parameter input by user, the underlying parameter includes being used for operation mechanism
The operating parameter of emulation module, the location parameter for indicating oil-gas pipeline place where the accident occurred and the field for establishing simulating scenes
Scape parameter；
Mechanism emulation module, for according to the operating parameter, the leakage that oil-gas pipeline may be occurred, diffusion, fire,
Explosion and damage sequence are simulated, real-time output numerical value simulation result；
Outdoor scene renders emulation module, the threedimensional model for establishing accident scene according to scenario parameters, and by numerical simulation
As a result dynamic demonstration comes out by way of three-dimensional rendering；According to the location parameter and Numerical Simulation Results, shown on map
Show the hazard area of accident.
In the oil-gas pipeline Failure Simulation system, the mechanism emulation module includes：
Source model is leaked, for the operating parameter according to input, simulates the process of the spilling of oil-gas pipeline pumped (conveying) medium, and
Real-time output numerical value simulation result；
Diffusion model, steam or leakage for being formed after the oil evaporation of simulated leakage natural gas box haul transmission and
It dissipates and reaches the process of a certain concentration, and output numerical value simulation result in real time；
Fire and bang model, the liquid pool for simulating earth's surface formation, which encounters open fire, to be occurred fire, causes hot spoke to human body
Shoot harmful process wounded；And oil evaporation or the natural gas adsorption vaporous cloud of leakage chance open fire explode, fireball causes hot spoke
Shoot evil, the process of blast injury and projectile injury, and output numerical value simulation result in real time wounded；
Damage sequence model is used for according to leakage source model, diffusion model, fire and bang model simulation as a result, mould
The quasi- influence to human body and environment in accident scene, and output numerical value simulation result in real time；
Accident intervention model, for according to contingency operation input by user, the corresponding damage sequence model that changes to export in real time
Numerical Simulation Results.
In the oil-gas pipeline Failure Simulation system, the outdoor scene renders emulation module, including：
Modeling unit, for carrying out three-dimensional modeling to all objects in accident scene, to build accident scene three-dimensional mould
The infrastructure elements of type；
Simulation unit, for according to the Numerical Simulation Results, by the leakage of oil-gas pipeline, diffusion, fire, explosion and
Damage sequence dynamic demonstration by way of three-dimensional rendering comes out；
GIS processing units, for according to the location parameter and Numerical Simulation Results, GIS database being called, on map
The hazard area of display accident.
In the oil-gas pipeline Failure Simulation system, the modeling unit is additionally operable to be joined according to the instruction of user and position
Number, transfers the scenario parameters of pre-stored place where the accident occurred in GIS database, establishes the threedimensional model of place where the accident occurred.
In the oil-gas pipeline Failure Simulation system, the object includes accident object, meteorological object, outer force effect
Object, environment field model and people's model.
A kind of oil-gas pipeline Failure Simulation method, including step：
A, data input module receives underlying parameter input by user, and the underlying parameter includes being emulated for operation mechanism
The operating parameter of module, the location parameter for indicating oil-gas pipeline place where the accident occurred and the scene for establishing simulating scenes are joined
Number；
B, mechanism emulation module is according to the operating parameter, the leakage that oil-gas pipeline may occur, diffusion, fire, quick-fried
Fried and damage sequence is simulated, real-time output numerical value simulation result；
C, outdoor scene renders emulation module and establishes the threedimensional model of accident scene according to scenario parameters, and by Numerical Simulation Results
Dynamic demonstration comes out by way of three-dimensional rendering；According to the location parameter and Numerical Simulation Results, thing is shown on map
Therefore hazard area.
In the oil-gas pipeline Failure Simulation method, the step B includes：
B1, leakage source model simulate the process of the spilling of oil-gas pipeline pumped (conveying) medium, and real according to the operating parameter of input
When output numerical value simulation result；
B2, diffusion model simulated leakage oil evaporation after formed steam or leakage natural gas box haul transmission and disappear
Dissipate the process for reaching a certain concentration, and output numerical value simulation result in real time；
The liquid pool that B3, fire and bang model simulation earth's surface are formed, which encounters open fire, to be occurred fire, causes heat radiation to human body
The process of injury；And oil evaporation or the natural gas adsorption vaporous cloud of leakage chance open fire explode, fireball causes heat radiation
The process of injury, blast injury and projectile injury, and output numerical value simulation result in real time；
B4, damage sequence model are according to leakage source model, diffusion model, fire and bang model simulation as a result, simulation
Influence to human body and environment in accident scene, and output numerical value simulation result in real time；
B5, accident intervention model are corresponding to change what damage sequence model exported in real time according to contingency operation input by user
Numerical Simulation Results.
In the oil-gas pipeline Failure Simulation method, the step C includes：
C1, modeling unit carry out three-dimensional modeling to all objects in accident scene, to build accident scene threedimensional model
Infrastructure elements；
C2, simulation unit are according to the Numerical Simulation Results, by the leakage of oil-gas pipeline, diffusion, fire, explosion and thing
Therefore consequence dynamic demonstration by way of three-dimensional rendering comes out；
C3, GIS processing unit call GIS database according to the location parameter and Numerical Simulation Results, are shown on map
Show the hazard area of accident.
In the oil-gas pipeline Failure Simulation method, the step C1 further includes：Modeling unit is according to the instruction of user
And location parameter, the scenario parameters of pre-stored place where the accident occurred in GIS database are transferred, the three-dimensional of place where the accident occurred is established
Model.
In oil-gas pipeline Failure Simulation method according to claim 8, the object includes accident object, meteorological right
As, external force agent, environment field model and people's model.
The present invention provides a kind of oil-gas pipeline Failure Simulation system and method, and the analogue system includes data input mould
Block, mechanism emulation module and outdoor scene render emulation module.The data input module receives underlying parameter input by user, described
Underlying parameter includes operating parameter, location parameter and scenario parameters；Mechanism emulation module is according to the operating parameter, to Oil/Gas Pipe
Leakage, diffusion, fire, explosion and the damage sequence that road may occur are simulated, real-time output numerical value simulation result；Outdoor scene
It renders emulation module and establishes the threedimensional model of accident scene according to scenario parameters, and Numerical Simulation Results are passed through into three-dimensional rendering
Mode dynamic demonstration comes out；According to the location parameter and Numerical Simulation Results, the hazard area of accident is shown on map.By
This, need to only input underlying parameter can be realized to oil-gas pipeline accident generating process and accident may caused by consequence mould
It is quasi-.By the analogue system, the reason of the process that true accident occurs can be restored, cause accident convenient for analysis；It can be with needle
To various possible accidents, formulate corresponding emergency preplan, give personnel training etc., improve the peace of oil-gas pipeline system operation
Full property and stability.
Description of the drawings
Fig. 1 is the structure diagram of oil-gas pipeline Failure Simulation system provided by the invention.
Fig. 2 is the method flow diagram of oil-gas pipeline Failure Simulation method provided by the invention.
Specific implementation mode
The present invention provides a kind of oil-gas pipeline Failure Simulation system and method, for make the purpose of the present invention, technical solution and
Effect is clearer, clear, and the present invention is described in more detail below.It should be appreciated that specific embodiment described herein
It is only used to explain the present invention, be not intended to limit the present invention.
It is imitative to refer to Fig. 1, oil-gas pipeline Failure Simulation system provided by the invention, including data input module 10, mechanism
True module 20 and outdoor scene render emulation module 30.
The data input module 10, for receiving underlying parameter input by user, the underlying parameter includes for transporting
The operating parameter of row mechanism emulation module 20, the location parameter for indicating oil-gas pipeline place where the accident occurred and for establishing emulation
The scenario parameters of scene.The operating parameter is specifically included with the relevant parameter of pipeline such as：Pipeline pressure, temperature, caliber, wall
Thickness, material, buried depth, the phase of pipeline medium, burning point, explosion limit etc. further include destroying the relevant parameter in position such as：Directly
Pipe, elbow, threeway, flange etc..The scenario parameters include geography information such as terrain, wear leap, the density of population, villages and small towns point
Cloth, road traffic, sensitizing range etc. further include meteorological condition（Such as wind direction, wind speed, temperature, thunderstorm）, time of origin（Daytime,
Night）Deng.
The mechanism emulation module 20, for according to the operating parameter, the leakage that oil-gas pipeline may occur to be expanded
Scattered, fire, explosion and damage sequence are simulated, real-time output numerical value simulation result.Specifically, the mechanism emulation module
20, according to the operating parameter, the simulation model built in advance and prior preset trigger condition, may occur oil-gas pipeline
Leakage, diffusion, fire, explosion and damage sequence simulated, real-time output numerical value simulation result.The trigger condition is
The condition of pipeline accident and casualties, including failure cause are guided（As excavator is disconnected, drilling hole of oil stolen, mud-rock flow are thrust,
Corrosion failure etc.）, external inducement（Such as incendiary source, heat source, thunder and lightning）, condition of causing injury（Such as diffusion gas mass concentration, explosion or fire
Calamity injury, Life Model）Deng.
The outdoor scene renders emulation module 30, the threedimensional model for establishing accident scene according to scenario parameters, and will count
Value simulation result dynamic demonstration by way of three-dimensional rendering comes out；According to the location parameter and Numerical Simulation Results, on ground
The hazard area of accident is shown on figure.
The oil-gas pipeline Failure Simulation system provided through the invention as a result, only need to input underlying parameter and can be realized pair
The simulation of consequence caused by oil-gas pipeline accident generating process and accident are possible.By the analogue system, can restore true
Practical work thus occur process, convenient for analysis cause accident the reason of；Various possible accidents can be directed to, are formulated corresponding emergent
Prediction scheme gives personnel training etc., improves the safety and stability of oil-gas pipeline system operation.
Further, in oil-gas pipeline Failure Simulation system provided by the invention, the mechanism emulation module 20 includes letting out
Drain-source model 210, diffusion model 220, fire and bang model 230, damage sequence model 240 and accident intervention model 250.
The leakage source model 210 simulates the spilling of oil-gas pipeline pumped (conveying) medium for the operating parameter according to input
Process, and output numerical value simulation result in real time.Leakage source model 210 gives leak rate, leakage rate or leak time, leakage
Medium phase（Liquid, gaseous state）Expression.It is summarized according to research, leak condition is divided into aperture sustained release and rupture abrupt release
Two ways.For aperture sustained release, oil leak can select liquid to flow out model through hole（It is the prior art）, day
Right gas leakage can select Jet model（It is the prior art）.For rupturing abrupt release, oil leak can select liquid pool
Evaporation model（It is the prior art）With flashed liquid model（It is the prior art）, natural gas leaking selection critical flow gas let out
Stripping pattern type（It is the prior art）With subcritical flow gas leak model（It is the prior art）.
The diffusion model 220, the natural gas of steam or leakage for being formed after the oil evaporation of simulated leakage is with the wind
Reach the process of a certain concentration, and output numerical value simulation result in real time to transmission and dissipation.In other words, diffusion model 220 is
It describes the natural gas box haul transmission of the steam or leakage that are formed after the oil evaporation of leakage and dissipates to reach the mistake of a certain concentration
Journey.After discharging generation, the product vapour or natural gas that are mixed in air are taken away by wind in a manner of plume or cloud cluster.After leakage
Gas maximum concentration be happened at leakage point.The diffusion of gas is influenced by several factors, such as wind direction, wind speed, big
Gas stability, ground shelter（Tree, mountain, building etc.）, release distance, apart from ground level, initial momentum and aerostatic buoyancy
Deng.According to the above analysis, maturity degree can be selected（It is the prior art）Model is rolled into a ball with cigarette（It is the prior art）In description
Property buoyancy diffusion, for heavy gas dispersion use Britter ＆ McQuaid models（It is the prior art）To describe continuous or wink
Between ground diffusion.
The fire and bang model 230, the liquid pool for simulating earth's surface formation encounter open fire and fire occur, is made to human body
At the process of thermal radiation injury；And oil evaporation or the natural gas adsorption vaporous cloud of leakage chance open fire explode, fireball is made
At the process that thermal radiation injury, blast injury and projectile injure, and output numerical value simulation result in real time.Pipeline Leak
Fire or bang model be mainly earth's surface formed liquid pool encounter open fire occur fire, thermal radiation injury is caused to human body, and
Oil evaporation forms vaporous cloud chance open fire generation blast fireball and causes thermal radiation injury, blast injury and projectile injury.Root
Upper feature according to this, can select Pool fire model（It is the prior art）, vaporous cloud blast fireball radiation model（It is existing
Technology）.
The fire or bang model of gas pipeline leakage are mainly jet flames thermal radiation injury, and formed after diffusion
Air mass injures caused by exploding, and can select solid fire radiation model（It is the prior art）It explodes with vaporous cloud fiery
Ball radiation model（It is the prior art）.
The damage sequence model 240, for according to leakage source model 210, diffusion model 220, fire and bang model
230 simulations as a result, influence of the simulation to human body and environment in accident scene, and output numerical value simulation result in real time.Accident
Consequence model 240 is broadly divided into：Thermal radiation injury model, blast injury model, toxic gas infringement model, soil or water body
Contamination model etc..The thermal radiation injury model, blast injury model, toxic gas infringement model, soil or water pollution
Model is the prior art, and details are not described herein.
The accident intervention model 250, for according to contingency operation input by user, corresponding change damage sequence model
240 Numerical Simulation Results exported in real time.In other words, the accident intervention model 250 refers to reduce accident harm, control
Influence of the contingency operation that consequence caused by the development of accident and process accident is taken to accident itself and damage sequence.Accident
Intervention model includes mainly emergency response model, personnel's rescue and emergency evacuation model, fire protection model, emergency leakage blocking mould
Type, leaking medium processing model etc..By accident intervention model 250, the effects of the stringent effort after accident can occur into
Row simulation improves the quality and rescue effect of emergency preplan.
Further, the outdoor scene renders emulation module 30, including modeling unit 310, simulation unit 320 and GIS processing
Unit 330.
The modeling unit 310, for carrying out three-dimensional modeling to all objects in accident scene, to build accident scene
The infrastructure elements of threedimensional model.The object includes accident object, environmental objects, meteorological object, external force agent, environment field mould
Type and people's model.The accident object includes the long distance pipeline etc. with perforation, crackle or rupture.The environmental objects include soil
Earth, mountain, river, highway, railway, tunnel, trees etc..The meteorology object includes the sun, the moon, cloud, thunder and lightning, sleet etc..Institute
It includes excavator, megalith, mud-rock flow, boring bar tool etc. to state external force agent.The environment field model is by topology diagram and height
Degree figure is constituted, and is mainly used for describing external environment.Certainly, the object further includes leak stoppers model, media processing device mould
Type etc..By the modeling to these objects, the infrastructure elements in virtual scene are constructed, these models constitute Failure Simulation
The kernel of model.
The modeling unit 320 is additionally operable to the instruction according to user and location parameter, transfers in GIS database and prestores
Place where the accident occurred scenario parameters, establish the threedimensional model of place where the accident occurred.Each city is stored in the GIS database
Or the map and corresponding piping diagram of town or specific region, the map include satellite cloud picture, circle of equal altitudes, stand
Body map etc., certainly, the GIS database also have network savvy, can obtain the weather feelings in region shown in map in real time
Condition.User need to only input the place of accident generation, and modeling unit 320 can obtain the scenario parameters near the place, establish three
Dimension module, the threedimensional model being built such that is identical as the geographical relief feature in true place, and weather system is all real-time, is carried
The high accuracy of accident simulation.
The simulation unit 320, for according to the Numerical Simulation Results, by the leakage of oil-gas pipeline, diffusion, fire,
Explosion and damage sequence dynamic demonstration by way of three-dimensional rendering come out.In the present invention, the leakage of oil-gas pipeline, diffusion,
The scenes such as fire, explosion are rendered with the particIe system in d engine；In other words, the simulation unit 320 uses
Particle system arithmetic（Particle cluster algorithm）Three-dimensional wash with watercolours is carried out to the leakage of oil-gas pipeline, diffusion, fire, explosion and damage sequence
Dye.
The basic thought of the particle system arithmetic be with it is a large amount of, with the particle figure of certain life nature is described
Irregular fuzzy scenery.Each particle has random shape, size, color, transparency, the direction of motion at any time
With the attributes such as movement velocity, and the variation of position and form occurs over time.The attribute and kinetic property of particle by
Pre-defined random process illustrates.Particle has certain life cycle in system, and to pass through " generation ", " activity "
" death " these three stages with randomness, at a time all set for surviving particles just constitute particIe system
Model.
GIS (GIS-Geographic Information System) processing unit 330 is used for according to the location parameter and Numerical Simulation Results,
GIS (GIS-Geographic Information System) database is called, the hazard area of accident is shown on map；Specifically, being marked on map
The range and shape of disaster field, different grades of Risky area is distinguished with different colors.
Oil-gas pipeline Failure Simulation system provided by the invention, using computer simulation emulation technology, by the defeated pipe of length
In road Failure Simulation simulation process, the inside and outside condition before pipeline accident occurs is set first, then touching for accident is set
Clockwork spring part.After all conditions that accident occurs are provided with, carry out mechanism emulation and outdoor scene renders emulation.Mechanism emulates
The Numerical Simulation Results being calculated by typical disaster model；It is by virtual reality technology by numerical value that outdoor scene, which renders emulation,
As a result it is expressed by way of three-dimensional rendering.Such as outdoor scene renders fire, blast process, the knot emulated first by mechanism
Fruit is obtained the lethal zone of fire or explosion, severely injured area, slight wound area, is showed using different rendering effects to different zones,
Again to the Life Model of each region（That is manikin）Injures and deaths state rendered.For there are several calamities simultaneously in accident
When evil type, it should be superimposed to the disaster field of different disaster model output.Hereby it is achieved that oil-gas pipeline accident
Analog simulation.By the analogue system, the reason of the process that true accident occurs can be restored, cause accident convenient for analysis；
Various possible accidents can be directed to, formulate corresponding emergency preplan, give personnel training etc., improve oil-gas pipeline system fortune
Capable safety and stability.
Based on the analogue system of above-mentioned oil-gas pipeline accident, the present invention also provides a kind of oil-gas pipeline Failure Simulation method,
Referring to Fig. 2, the method includes the steps：
S10, data input module receive underlying parameter input by user, and the underlying parameter includes imitative for operation mechanism
Operating parameter, the location parameter for indicating oil-gas pipeline place where the accident occurred and the scene for establishing simulating scenes of true module
Parameter.
S20, mechanism emulation module according to the operating parameter, the leakage that oil-gas pipeline may be occurred, diffusion, fire,
Explosion and damage sequence are simulated, real-time output numerical value simulation result.
S30, outdoor scene render emulation module and establish the threedimensional model of accident scene according to scenario parameters, and by numerical simulation knot
Fruit dynamic demonstration by way of three-dimensional rendering comes out；According to the location parameter and Numerical Simulation Results, shown on map
The hazard area of accident.
The step S20 includes：
S210, leakage source model simulate the process of the spilling of oil-gas pipeline pumped (conveying) medium according to the operating parameter of input, and
Real-time output numerical value simulation result；
S220, diffusion model simulated leakage oil evaporation after formed steam or leakage natural gas box haul transmission and
It dissipates and reaches the process of a certain concentration, and output numerical value simulation result in real time；
The liquid pool that S230, fire and bang model simulation earth's surface are formed, which encounters open fire, to be occurred fire, causes hot spoke to human body
Shoot harmful process wounded；And oil evaporation or the natural gas adsorption vaporous cloud of leakage chance open fire explode, fireball causes hot spoke
Shoot evil, the process of blast injury and projectile injury, and output numerical value simulation result in real time wounded；
S240, damage sequence model are according to leakage source model, diffusion model, fire and bang model simulation as a result, mould
The quasi- influence to human body and environment in accident scene, and output numerical value simulation result in real time；
According to contingency operation input by user, the corresponding damage sequence model that changes exports in real time for S250, accident intervention model
Numerical Simulation Results.
The step S30 includes：
S310, modeling unit carry out three-dimensional modeling to all objects in accident scene, to build accident scene three-dimensional mould
The infrastructure elements of type.Pre-stored accident hair in GIS database is transferred in instruction and location parameter of the modeling unit according to user
The scenario parameters of Radix Rehmanniae establish the threedimensional model of place where the accident occurred.
The object includes accident object, meteorological object, external force agent, environment field model and people's model.The accident
Object includes the long distance pipeline etc. with perforation, crackle or rupture.The environmental objects include soil, mountain, river, highway, iron
Road, tunnel, trees etc..The meteorology object includes the sun, the moon, cloud, thunder and lightning, sleet etc..The external force agent includes digging
Pick machine, megalith, mud-rock flow, boring bar tool etc..The environment field model is made of topology diagram and height map, is mainly used for retouching
State external environment.Certainly, the object further includes leak stoppers model, media processing device model etc..By right to these
The infrastructure elements in virtual scene are constructed in the modeling of elephant, these models constitute the kernel of Failure Simulation model.
S320, simulation unit according to the Numerical Simulation Results, by the leakage of oil-gas pipeline, diffusion, fire, explosion and
Damage sequence dynamic demonstration by way of three-dimensional rendering comes out.
S330, GIS processing unit call GIS database, on map according to the location parameter and Numerical Simulation Results
The hazard area of display accident.
The characteristics of emulation mode of the oil-gas pipeline accident and principle have elaborated in a upper embodiment, herein not
It repeats again.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (6)
1. a kind of oil-gas pipeline Failure Simulation system, which is characterized in that including：
Data input module, for receiving underlying parameter input by user, the underlying parameter includes being emulated for operation mechanism
The operating parameter of module, the location parameter for indicating oil-gas pipeline place where the accident occurred and the scene for establishing simulating scenes are joined
Number；
Mechanism emulation module, for according to the operating parameter, the leakage that oil-gas pipeline may occur, diffusion, fire, explosion
And damage sequence is simulated, real-time output numerical value simulation result；
Outdoor scene renders emulation module, the threedimensional model for establishing accident scene according to scenario parameters, and by Numerical Simulation Results
Dynamic demonstration comes out by way of three-dimensional rendering；According to the location parameter and Numerical Simulation Results, thing is shown on map
Therefore hazard area；
The mechanism emulation module includes：
Source model is leaked, for the operating parameter according to input, simulates the process of the spilling of oil-gas pipeline pumped (conveying) medium, and in real time
Output numerical value simulation result；
Diffusion model, the transmission of natural gas box haul and dissipation of steam or leakage for being formed after the oil evaporation of simulated leakage
Reach the process of a certain concentration, and output numerical value simulation result in real time；
Fire and bang model, the liquid pool for simulating earth's surface formation, which encounters open fire, to be occurred fire, causes heat radiation to hinder human body
Harmful process；And oil evaporation or the natural gas adsorption vaporous cloud of leakage chance open fire explode, fireball causes heat radiation to hinder
Evil, the process of blast injury and projectile injury, and output numerical value simulation result in real time；
Damage sequence model, for that source model, diffusion model, fire and bang model are simulated as a result, simulation pair according to leaking
The influence of human body and environment in accident scene, and output numerical value simulation result in real time；
Accident intervention model, for according to contingency operation input by user, the corresponding number for changing damage sequence model and exporting in real time
It is worth simulation result；
The outdoor scene renders emulation module, including：
Modeling unit, for carrying out three-dimensional modeling to all objects in accident scene, to build accident scene threedimensional model
Infrastructure elements；
Simulation unit is used for according to the Numerical Simulation Results, by the leakage of oil-gas pipeline, diffusion, fire, explosion and accident
Consequence dynamic demonstration by way of three-dimensional rendering comes out；
GIS processing units, for according to the location parameter and Numerical Simulation Results, calling GIS database, being shown on map
The hazard area of accident.
2. oil-gas pipeline Failure Simulation system according to claim 1, which is characterized in that the modeling unit is additionally operable to root
Instruction according to user and location parameter transfer the scenario parameters of pre-stored place where the accident occurred in GIS database, establish accident
The threedimensional model of spot.
3. oil-gas pipeline Failure Simulation system according to claim 1, which is characterized in that the object includes accident pair
As, meteorological object, external force agent, environment field model and people's model.
4. a kind of oil-gas pipeline Failure Simulation method, which is characterized in that including step：
A, data input module receives underlying parameter input by user, and the underlying parameter includes being used for operation mechanism emulation module
Operating parameter, the location parameter for indicating oil-gas pipeline place where the accident occurred and the scenario parameters for establishing simulating scenes；
B, mechanism emulation module is according to the operating parameter, the leakage that oil-gas pipeline may be occurred, diffusion, fire, explosion with
And damage sequence is simulated, real-time output numerical value simulation result；
C, outdoor scene renders emulation module and establishes the threedimensional model of accident scene according to scenario parameters, and Numerical Simulation Results are passed through
The mode dynamic demonstration of three-dimensional rendering comes out；According to the location parameter and Numerical Simulation Results, accident is shown on map
Hazard area；
The step B includes：
B1, leakage source model simulate the process of the spilling of oil-gas pipeline pumped (conveying) medium, and defeated in real time according to the operating parameter of input
Go out Numerical Simulation Results；
B2, diffusion model simulated leakage oil evaporation after formed steam or leakage natural gas box haul transmission and dissipation reach
To the process of a certain concentration, and output numerical value simulation result in real time；
The liquid pool that B3, fire and bang model simulation earth's surface are formed, which encounters open fire, to be occurred fire, causes thermal radiation injury to human body
Process；And oil evaporation or the natural gas adsorption vaporous cloud of leakage meet open fire and explode, fireball cause thermal radiation injury,
The process of blast injury and projectile injury, and output numerical value simulation result in real time；
B4, damage sequence model are according to leakage source model, diffusion model, fire and bang model simulation as a result, simulating to thing
Therefore the influence of the human body and environment in scene, and output numerical value simulation result in real time；
B5, accident intervention model are according to contingency operation input by user, the corresponding numerical value for changing damage sequence model and exporting in real time
Simulation result；
The step C includes：
C1, modeling unit carry out three-dimensional modeling to all objects in accident scene, to build the base of accident scene threedimensional model
Plinth element；
C2, simulation unit are according to the Numerical Simulation Results, after the leakage of oil-gas pipeline, diffusion, fire, explosion and accident
Fruit dynamic demonstration by way of three-dimensional rendering comes out；
C3, GIS processing unit call GIS database, thing are shown on map according to the location parameter and Numerical Simulation Results
Therefore hazard area.
5. oil-gas pipeline Failure Simulation method according to claim 4, which is characterized in that the step C1 further includes：It builds
Instruction and location parameter of the form unit according to user, transfer the scenario parameters of pre-stored place where the accident occurred in GIS database,
Establish the threedimensional model of place where the accident occurred.
6. oil-gas pipeline Failure Simulation method according to claim 4, which is characterized in that the object includes accident pair
As, meteorological object, external force agent, environment field model and people's model.
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