资源描述：
《基于FDS%2BEVAC的人员疏散模型研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、I1FDS2FDS,,,3FDSMatlabANFISAiBi422%-69%FDSIIAbstractWiththedevelopmentofthesocietyandtheaccelerationoftheprocessofurbanization,moreandmorecomplexmulti-functionalbuildingspaceandpublicspacearebeginningtoappear,makingthepedestrianevacuationmoreandmorecomplexandchangeab
2、le.Therefore,itisofgreatscientificandpracticalsignificancetocarryoutthestudyofpedestrianevacuationandsimulation,tostudytheevacuationcharacteristicsandevacuationprocess,toprovidekeydataandreasonablesuggestionsforpublicevacuation,andtoprovideevacuationdesignforthebuild
3、ingandcitydesigners.Onthebasisofsummarizingthepredecessors'researchonevacuationsimulation,thispaperselectsamoreuniversalsocialforcemodel.Inviewofitsexistingshortcomingsandproblems,havecarriedoutathoroughqualitativeandquantitativeanalysis.Onthisbasis,themodelisoptimiz
4、ed.Theoptimizedmodelincludesthefollowingpointsandconclusions.(1)AccordingtotheunreasonablemovementofpedestriansintheFDSsimulation,thepedestrianpredictionmodelisaddedtomakepedestriansnotonlyinfluencedbytheforcesofthepedestriansaroundthemselves,butalsobyjudgingwhethert
5、hepedestrianswillcollideatacertaintimeinthefuture,selectpedestriansthatmaycollide,andanalyzethedirectionandsizeofthepedestrians'force.ThreeAnindependentsteptojudgethepossiblecollisionwithotherpedestriansontheevacuationroute,soastoadjusttheevacuationpathandavoidcollis
6、ion.(2)Inthecaseofrealevacuation,peopleoftenobservethatpedestriansfollowotherswhenevacuating,thusformingqueues,derivingchannelization,groupmovementandotherevacuationphenomena,butFDSsimulationcannoteffectivelyrestorethephenomenoncausedbythepedestrianpsychology,soanewp
7、edestrianattractionisadded,andtherelatedparametersareanalyzedanddesignedforit.Inordertodetermine,followtheangle,thefreemovement,theexpectedvelocitydirectionandthecurrentspeedandthepedestriandistance,theexpressionofthepedestrianattractionisestablishedandintegratedinto
8、themodel.(3)FormanyparametersinFDSsimulation,anumberofsimplifiedconstantscannotIIIbeusedtoeffectivelyrestoresomeofthedifferentmodel
