简介:Thislooperdiscussesonelastoplasticproblemwithfrictionsgivenonapartoftheboundary.AssumingthatfrictionfollowssimplifiedCoulom’slaw,theauthorgivesanexplicitrelaxationofenergyandprovesthatthesolutionexists.
简介:GivinganonisotropicplasticityproblemonaSobolevSpace,theauthortriestorelaxittoanewproblemwhiohisposedonasubsetofBD(Ω).Itisprovedthatthisrelaxationdoesnotchangetheequilibriumenergyandthatthesolutionsexistinsuchsettingsundernottoorestrictedconditions.