فهرست مقالات Euler-Bernoulli theory دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Surface Effects on Free Vibration Analysis of Nanobeams Using Nonlocal Elasticity: A Comparison Between Euler-Bernoulli and Timoshenko Sh Hosseini – Hashemi M Fakher R Nazemnezhad