فهرست مقالات Nonlinear free vibration دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Nonlinear Free Vibration Analysis of Functionally Graded Sandwich Beam with Magnetorheological Fluid Core Using Timoshenko Beam Theory Omid Miraliyari Saeed Jafari Mehrabadi Mohammad Mahdi Najafizadeh https://doi.org/10.60664/jsm.2023.1081713