1 / 1

22-23 September 2011, Baku, Azerbaijan

International Symposiumon Advances in Applied Mechanics and Modern Information Technology(ISAAM&MIT ’ 11). 22-23 September 2011, Baku, Azerbaijan. On The Static Response of Functionally Graded Circular Plate Resting on Linearly Gradient Elastic Foundations Subjected to

roddy
Download Presentation

22-23 September 2011, Baku, Azerbaijan

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. InternationalSymposiumonAdvancesinAppliedMechanicsandModernInformationTechnology(ISAAM&MIT’11)InternationalSymposiumonAdvancesinAppliedMechanicsandModernInformationTechnology(ISAAM&MIT’11) 22-23September2011,Baku,Azerbaijan OnTheStaticResponseofFunctionallyGradedCircularPlate RestingonLinearlyGradientElasticFoundationsSubjectedto CombinedAxisymmetricTransverseandShearLoads A.BehravanRad DepartmentofmechanicalEngineering,KarajBranch,IslamicAzadUniversity,Karaj,Iran E-mail:behravanrad@gmail.com Abstract Inthispaper,thestaticbehavioroffunctionallygraded(FG)solidcircularplaterestingonlinearlygradient elasticfoundationsundercombinedloadsisinvestigatedbyusingthestatespaceanddifferentialquadrature methods.Thestateequationsarederivedbasedon3Dtheoryofelasticity,andassumingthematerialproperties exceptthePoisson’sratiovariescontinuouslythroughoutthethicknessdirectionintheformofanexponential function.Thestressesanddisplacementsdistributionareobtainedbysolvingthesestateequations. Theeffectsoftheelasticfoundationcoefficients(Winkler–Shearlayer)togetherwithchangingthesurfaces conditionoftheplatesupportedbythefoundation,materialheterogeneityindex,gradientfactorvariationand loadsratioonthedeformationandstressdistributionsoftheFGcircularplateareinvestigated. Themechanicalbehavioroftheplatewiththesofter(metalrich)surfacesupportedbyelasticfoundation differsignificantlyfromthatoftheplatewiththeharder(ceramicrich)surfacesubjectedtothesamefoundation. Theresultsarereportedforthefirsttimeandarediscussedindetail. Keywords:FGCircularPlate,Elasticity,GradientElasticFoundations,State-Space,DQMethod. 1Introduction Functionallygradedmaterials(FGMs)havegainedconsiderableattentioninrecentyears.Themechanical behaviorofFGMscircularplateswith/withoutrestingonelasticfoundation,suchasbendingduetomechanical loads,vibration,stabilityandbuckling,etc.,havealsobeenstudiedbymanyscientists.Forexample,Reddyetal. investigatedaxisymmetricbendingofanFGMcircularplatebasedonthefirst-orderplatetheoryandobtained therelationshipsbetweenthefirst-orderplatetheoryandtheclassicalthinplatetheory.Lietal.presentedthe elasticitysolutionsforatransverselyisotropicFGMcircularplatesubjecttoanaxisymmetrictransverseloadin termsofthepolynomialsofevenorder.Huang,ZY.,etal.presentedanexactsolutionforFGMsrectangular thickplatesrestingonelasticfoundationbasedonthethree-dimensionaltheoryofelasticityusinginfinitedual seriesoftrigonometricfunctionscombinedwiththestate-spacemethod.Wang,Y.etalapplieddirect displacementmethodtoinvestigatethefreeaxisymmetricvibrationoftransverselyisotropicCircularplate. AlibeiglooA.discussedbendingbehaviorofFGMrectangularplatewithintegratedsurfacepiezoelectriclayers restingonelasticfoundation.BehravanRadA.etalstudiedthestaticbehaviorofFGMannularplaterestingon uniformelasticfoundationsunderaxisymmetrictransverseloadbasedonthe3Dtheoryofelasticityandusing semi-analyticalmethod.SburlatiR.etalobtainedelasticsolutionsforFGthickcircularplatesubjectto axisymmetricconditions.GolmakaniM.E.etalanalyzedtheaxisymmetricnonlinearbendingofanannular 351

More Related