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河北工业大学系统动力学1系系统统动动力力学学((SystemSystemDynamics)Dynamics)(4)主讲：张学民张学民xzhang2000@sina.com系统动力学建模工具系统动力学建模工具河北工业大学系统动力学3张学民xzhang2000@sina.com河北工业大学系统动力学4张学民xzhang2000@sina.com河北工业大学系统动力学5张学民xzhang2000@sina.com河北工业大学系统动力学VensimOverview6•VensimPersonalLearningEdition(VensimPLE)isavisualtoolthatallowsyoutoconceptualize,document,simulateandanalyzethesystemsyouworkwith.Itprovidesasimpleandflexiblewayofbuildingsimulationmodelsfromdiagramsconsistingofwords,arrows,boxes,pipesandcomments.VensimPLEmakestheconstructionofmodelsbasedoncausalloopandstockflowdiagramsfastandsimple.•VensimPLEisamodelingtool.Therelationshipsyouenterbyconnectingwordswitharrowsarerecordedascausalconnections,andthisinformationisusedbytheEquationEditortohelpyouformacompletesimulationmodel.Youcandoanalysisofthemodelthroughoutthemodel-buildingprocess,lookingatthecausesandusesofavariable,andalsoattheloopsinvolvingthevariable.Whenyouhavecreatedasimulationmodel,VensimPLEletsyouthoroughlyexplorethedynamicbehaviorofthatmodel.张学民xzhang2000@sina.com河北工业大学系统动力学Vensim7•VensimPLE(PersonalLearningEdition)issoftwarethatgetsyoustartedinsystemdynamicsmodelingandisfreeforeducationaluseandinexpensiveforcommercialuse.VensimPLEisidealforclassroomuseandpersonallearningofsystemdynamics.•VensimPLEPlusbridgesthegapbetweentheinexpensive(orfree)PLEandourhigherconfigurations.PLEPlusisfullyfeaturedforitspricepointandincludesdataconnectivity,multipleviews,MonteCarlosensitivitysimulations,gamesimulations,andthenewmodel-userinterface(InputandOutputControls).PLEPluscanbepurchasedbycreditcardonoursecuresever.•VensimStandardallowsconstructionofcomplexmodelsfeaturingmultipleviews(sectors),providesCausalTracingTMofstructureandbehavior,andhasMonteCarlosensitivitycapabilities.•VensimProfessionaladdsoptimizationandsubscripting(array)capabilities.•VensimDSSaddsaninterfacedevelopmenttoolforcreatingmanagementflightsimulators,externalfunctionsandmacros,compiledsimulations
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