简介:Thepaperbuildsamulti-rigid-bodymodelofhumanwitha4-rigid-bodyfootinthe3DCADsoftwareSolidworks,basedonhumananatomy.Bycontrollingtherotationoftheankleandmajorjointsofhumanbodywhilewalking,theKinematicsimulationwasperformedinthedynamicssimulationsoftwareADAMS.Thepaperanalyzesthesimulateresultsandpointsoutdeficienciesinthecurrentworkandthedirectionofresearcheffortsinfuture.
简介:Repetitioussimulationaftermodifyingparametersofmulti-domainphysicalsystembasedonModelicaoftenappearsinmodelexperimentandoptimizationdesign.Atpresent,thesolversbasedonModelicaneedcalculateallthecoupledblocksduringeverysimulationrunafterupdatingparameters.Basedondiscussingscaledecompositionmethodsofsimulationmodel,subdivisionsolvingstrategyandminimumsolvingstrategyareputforwardtoimprovetheefficiencyofrepetitioussimulation,bywhichthenumericalsolutionofthesimulationmodelcanbeachievedbyonlycalculatingthesolvingsequenceinfluencedbyalteredparameters.Asimplifiedmodelofaircraftisusedtodemonstratetheefficiencyofthestrategiespresented.