Title of article
YieldsurfacesforperforatedplateswithsquarearraysofholesOriginalResearchArticle
Author/Authors
ABhattacharya، نويسنده , , VVenkatRaj، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
15
From page
219
To page
233
Abstract
Asymmetricmodelofaperforatedplatecontaininga3×3arrayofcircularholes,arrangedinasquarepattern,waschosenandelastoplasticfiniteelementanalyseswerecarriedouttodeterminethelimitstressesforbothpitchanddiagonaldirectionsofloading,fordifferentvaluesofbiaxialityratios.PlanestressconditionswereassumedandtheTrescaandvonMisesyieldcriteriawereemployedtoobtaintwodifferentsetsofresults.Yieldsurfaceswereconstructedand‘generalcut-outfactors’weredeterminedforfourdifferentligamentefficiencies.TheFEMresultsobtainedbytheauthorsusingtheTrescaandvonMisesyieldcriteriawerecomparedwiththecorrespondingresultsof[J.PressureVesselTechnol.Trans.ASME(1975)146–154]and[J.PressureVesselTechnol.Trans.ASME(1997)122–126],respectively.TheresultsbasedontheTrescayieldcriterionobtainedbythepresentauthorsandthosein[J.PressureVesselTechnol.Trans.ASME(1975)146–154]werefoundtoagreewellwitheachother.InthecaseofthevonMisesyieldcriterion,theagreementwith[J.PressureVesselTechnol.Trans.ASME122–126]isgenerallygood.TheestimatesbasedontheTrescayieldcriterionareseentoresultinlowervaluesoflimitstressesandcut-outfactorsascomparedtothosebasedonthevonMisesyieldcriterion.Thedifferenceisattributedtotheyieldcriterionandtheflowrulechosenfortheanalysis.Theshapeaswellasthesizeoftheyieldsurfacewasfoundtodependontheligamentefficiency.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894764
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