Inelastic Analysis of Structures

Themodelingofmechanicalpropertiesofmaterialsandstructuresisacomplexandwide-rangingsubject.Insomeapplications,itissufficienttoassumethatthematerialremainselastic,i.e.thatthedeformationprocessisfullyreversibleandthestressisauniquefunctionofstrain.However,suchasimplifiedassumptionisappropriateonlywithinalimitedrange,andingeneralmustbereplacedbyamorerealisticapproachthattakesintoaccounttheinelasticprocessessuchasplasticyieldingorcracking.Thisbookpresentsacomprehensivetreatmentofthemostimportantareasofplasticityandoftime-dependentinelasticbehavior(viscoplasticityofmetals,andcreepandshrinkageofconcrete).Itcoversstructuralaspectssuchas:incrementalanalysislimitanalysisshakedownanalysisoptimaldesignbeamstructuressubjectedtobendingandtorsionyieldlinetheoryofplatessliplinetheorysizeeffectinstructurescreepandshrinkageeffectsinconcretestructures.Thefollowingaspectsoftheadvancedmaterialmodelingarepresented:yieldsurfacesformetalsandplastic-frictionalmaterialshardeningandsofteningstress-returnalgorithmslarge-strainformulationsthermodynamicframeworkmicroplanemodelslocalizationofplasticstrain.InelasticAnalysisofStructuresisatextbookforbasicandadvancedcoursesonplasticity,withaslightemphasisonstructuralengineeringapplications,butwithawealthofmaterialforgeotechnical,mechanical,aerospace,naval,petroleumandnuclearengineers.Thetextisconstructedinaverydidacticalway,whilethemathematicshasbeenkeptrigorous.