فهرست مقالات Functionally graded Nano beam دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - A Nonlocal First Order Shear Deformation Theory for Vibration Analysis of Size Dependent Functionally Graded Nano beam with Attached Tip Mass: an Exact Solution M Ghadiri A Jafari