علیرضا سعیدی
دانشکده مهندسی مکانیک، دانشگاه شهید باهنر کرمان، کرمان، ایران
[ 1 ] - کمانش ورق های ضخیم هدفمند براساس تئوری مرتبه بالای تغییر شکل برشی و عمودی
در این مقاله، کمانش ورقهای مستطیلی ساخته شده از مواد هدفمند براساس تئوری مرتبه بالای تغییر شکل برشی و عمودی مورد بررسی قرار گرفته است. این تئوری هر سه مؤلفه جابجایی را برحسب توابع لژاندر در جهت ضخامت بسط میدهد. با استفاده از اصل حداقل انرژی پتانسیل و معیار تعادل همسایگی، معادلات پایداری بدست میآیند. دستگاه معادلات بدست آمده با فرض تکیهگاه ساده روی هر چهار لبه ورق با روش ناویر حل شده و بار ...
[ 2 ] - On Symmetric and Asymmetric Buckling Modes of Functionally Graded Annular Plates under Mechanical and Thermal Loads
In the present article, buckling analysis of functionally graded annular thin and moderately thick plates under mechanical and thermal loads is investigated. The equilibrium and stability equations of the plate are obtained based on both classical and first order shear deformation plate theories. By using an analytical method, the coupled stability equations are converted to independent equatio...
[ 3 ] - BUCKLING ANALYSIS OF FUNCTIONALLY GRADED MINDLIN PLATES SUBJECTED TO LINEARLY VARYING IN-PLANE LOADING USING POWER SERIES METHOD OF FROBENIUS
In this paper, buckling behavior of moderately thick functionally graded rectangular plates resting on elastic foundation subjected to linearly varying in-plane loading is investigated. The neutral surface position for a functionally graded plate which its material properties vary in the thickness direction is determined. Based on the first-order shear deformation plate theory and the neutral s...
[ 4 ] - Postbuckling Equilibrium Path of a Long Thin-Walled Cylindrical Shell (Single-Walled Carbon Nanotube) under Axial Compression Using Energy Method
In this paper, an elastic shell model is presented for postbuckling prediction of a long thinwalledcylindrical shell under axial compression. The Ritz method is applied to solve the governingequilibrium equation of a cylindrical shell model based on the von-Karman type nonlinear differentialequations. The postbuckling equilibrium path is obtained using the energy method for a long thin-walledcy...
[ 5 ] - Exact Elasticity Solutions for Thick-Walled FG Spherical Pressure Vessels with Linearly and Exponentially Varying Properties
In this paper, exact closed-form solutions for displacement and stress components of thick-walled functionally graded (FG) spherical pressure vessels are presented. To this aim, linear variation of properties, as an important case of the known power-law function model is used to describe the FG material distribution in thickness direction. Unlike the pervious studies, the vessels can have arbit...
[ 6 ] - Exact Analytical Solution for Bending Analysis of Functionally Graded Annular Sector Plates
In this article, an exact levy solution is presented for bending analysis of a functionally graded (FG) annular sector plate. The governing equilibrium equations are obtained based on the classical plate theory. Introducing an analytical method for the first time, the three coupled governing equilibrium equations are replaced by an independent equation in term of transverse deflection. This equ...
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