پديد آورنده :
انالويي، حميدرضا
عنوان :
آناليز نانو ورق ها برپايه تئوري الاستيسيته غير محلي ارينگن با استفاده از روش نوار محدود اسپلاين
مقطع تحصيلي :
كارشناسي ارشد
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده عمران
صفحه شمار :
ده، 92ص.: مصور، جدول، نمودار
يادداشت :
ص.ع. به فارسي و انگليسي
استاد راهنما :
مجتبي ازهري
استاد مشاور :
بيژن برومند
توصيفگر ها :
ارتعاش آزاد , كمانش الاستيك
تاريخ نمايه سازي :
17/2/91
استاد داور :
فرشيد مسيبي، كياچهر بهفرنيا
تاريخ ورود اطلاعات :
1396/10/06
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
Eringen s nonlocal analysis of nanoplates via spline finite strip method H R Analooei h analooeichadegani@cv iut ac ir February 29 2012 Civil Engineering Department Isfahan University of Technology Isfahan 84156 83111 IranDegree M Sc Language FarsiSupervisor Mojtaba Azhari email address mojtaba@cc iut ac irAbstractSince the discovery of C60 Buckminsterfullerene buckyball in 1985 various architectural types allotropes ofcarbon structures such as single multi walled nanotubes SWCNTs MWCNTs nanorodes nanorings monolayer and multilayer graphene sheets are built One of the latest discoveries single layered graphene sheet SLGS is a single free standing atomic layer of carbon which was first explored by P R Wallace in 1947theoretically but A Geim and his coworkers succeeded to isolate this wonder material after 57 years by usingmicromechanical cleavage method Nanostructures have shown different properties from their macro scalecounterparts such as mechanical strength electrical thermal conductivity chemical reactivity transparencyand magnetism Because of mentioned properties these structures are used in a wide range of applications fromelectronics ultrafast transistors faster processing speed to medicine new vehicles for delivery targeteddelivery to energy higher energy storage capacity longer life a safer alternative to nanodevices nanorobots nanomachines nanosensors nanoelectromechanical devices nanoactuators and more In the present paper the elastic buckling and vibration characteristics of isotropic and orthotropic nanoplates arediscussed The geometry of nanoplates is assumed as rectangular parallelogram trapezoidal triangular circular elliptical annual and sectorial In order to consider small scale effect Eringen s nonlocal continuumelasticity is employed The governing nanoplate equations are derived by the principle of virtual work B3 spline finite strip method is applied to the buckling and vibration analysis The buckling load and vibrationfrequency of graphene sheets including different sizes nonlocal parameters aspect ratios and boundaryconditions under biaxial compression and pure shear loading are investigated The interaction curve for biaxialcompression loading is obtained as well as the interaction curve between uniaxial compression and shearloading It is proved that small scale effect plays considerable rule in analysis of plates at very small sizes Key words nanoplate buckling vibration nonlocal elasticity spline finite strip
استاد راهنما :
مجتبي ازهري
استاد مشاور :
بيژن برومند
استاد داور :
فرشيد مسيبي، كياچهر بهفرنيا
