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1、基于地理信息的大型场馆区域人员疏散模型设计Articlenumber:1007-3817(2009)02-0023-02CLCnumber:P208documentsigncode:BDesignofevacuationmodelforlargestadiumsandgymnasiumsbasedonGeographicInformationWangRuojingCaiXianhua(Schooloftransportation,SoutheastUniversity,fourarchway,Nanjing2,210096)UsingGe
2、odatabasespatialdatamodel,thegeographicinformationdatabaseisestablished,andtheevacuationmodelbasedongeographicinformationisdesigned.Keywordsgeographicinformstion;Geodatabasespatialdatamodel;evacuationmodel;distancemap;Inthelarge-scaleactivitiesafterthefinish,theevacuation
3、oflargenumbersofpeopleinashorttimeIt'seasytojamandjamontheaisle・Inordertoensurethesafetyofpersonnel,Theevacuationprocesscanbesimulatedwithsimulationsoftwaretohelpthegroupoflarge-scaleactivitiesTheweavingstaffmakesthetargetedmanagementandgroomingmeasures・Existingoccupantev
4、acuationsimulationMostofthemicroscopicmodelsareusedtorecordthegeometricpositionsofeachindividualateachmomentItcandynamicallydisplaythewholeprocessofevacuationmovement・Amongthem,thefamousHelbing,ssocialforcemodel[1]andcellularautomatamodel[2-5].inordertoBasedongeographicin
5、formation,theevacuationprocessofpeopleincomplexgeographicalenvironmentispresentedOccupantevacuationmodeLUsingGIStechnologytogetthegeographicdataofevacuationplacesTherelationshipbetweengeographicalfactorsandevacuationprocesswasestablishedTheevacuationprocessofpeopleincompl
6、exgeographicalenvironmentwassimulated・1geographicalelementsTheroadnetworkareabetweentheevacuationstartingpointandtheevacuationendpointistakenasacrowdEvacuationsimulationinterval,thegeographicalelementsthataffecttheevacuationprocessaremainlyasfollowsFivekinds.Startingpoint
7、ofevacuation.Thatis,thestartingpoint,startingpointwidth,startingpointnumbet,startingfromeachThepersonnelgenerationrate(/ms),thenumberofevacuationateachstartingpoint,andthenumberofpersonnelatthepointofdeparturearealsoincludedThenearestwalkexitandtheentrancetotheparkinglot・
8、Evacuationendpointfactor・Includingterminalposition,endwidth,endnumber,endPointtype(carparkentran