tduetothedeformationofbendingisrelativelysosmallforspan.Fig.Showsthecross-sectiondiagramofLGserieslinearguiderail.ThematerialofrailsisGCrbearingsteel,sothestress-strainmodelwasassumedtobeanidealmodelforelastic-plasticmaterials.Asthiscross-sectionissimilartorectangle,weanalysisitaccordingtothetheoryofrectangularsectionwhiletheactualsectionalmomentofinertia(I)shouldbecalculated.AccordingtoFig.,themathematicalmodelofeachstagehadbeenestablished...TheElasticLoadingandUnloadingStagesInFig.,theLoad-Strokerelationshipinelasticloadingstage(ABsegment)is:TheLoad-Strokerelationshipinelasticunloadingstage(CDsegment)is:WhereFisthevalueofload,δisthevalueofstroke,δisthevalueofinitialdeflection,Eiselasticmodulusforthematerial,Iissectionalmomentofinertia,lishalfofspan.Fbisthelimitloadforelastic;Fcisthelimitloadforelastic-plastic...TheElastic-PlasticLoadingSta型是由单元和节点构成。
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