فهرست مقالات Stiffened cylindrical shells دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Elastic Buckling Analysis of Ring and Stringer-stiffened Cylindrical Shells under General Pressure and Axial Compression via the Ritz Method A Ghorbanpour Arani A Loghman A.A Mosallaie Barzoki R Kolahchi