Title of article
PeridynamicmodelingofconcretestructuresOriginalResearchArticle
Author/Authors
WalterGerstle، نويسنده , , NicolasSau، نويسنده , , StewartSilling، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2007
Pages
9
From page
1250
To page
1258
Abstract
TheperidynamicmodeldescribedinSilling(Silling,S.A.,1998.ReformationofElasticityTheoryforDiscontinuousandLong-RangeForces,SAND98-2176.SandiaNationalLaboratories,Albuquerque,NM),beingacentral-forcemodel,islimitedtomodelingmaterialswithaPoissonʹsratioof1/4.Inthispaper,theperidynamicmodelisgeneralizedbyaddingpairwiseperidynamicmomentstosimulatelinearelasticmaterialswithvaryingPoissonʹsratios.Thenewmodeliscalledthe“micropolarperidynamicmodel”.Themicropolarperidynamicmodelisplacedwithinafiniteelementcontexttoenableefficaciousapplicationofboundaryconditionsandefficientcomputationalsolutionsusinganimplicit,ratherthananexplicitsolutionalgorithm.Theimplicitsolutionalgorithmissuitableforquasistaticsimulationofdamageandcrackinginconcretestructures.Withthisnewmodel,verysimpletensiledamagemechanismsatthemicrostructural(peridynamic)levelaresufficienttoexplainagreatdealofthemicrocracking(damage)andfracturemechanicsobservedinconcretestructures.Thenewimplementationappearstobecomputationallyefficient.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2007
Journal title
Nuclear Engineering and Design Eslah
Record number
941385
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