List of Articles Torsional vibration Open Access Article Abstract Page Full-Text 1 - Study of Torsional Vibrations of Composite Poroelastic Spherical Shell-Biot’s Extension Theory R Gurijala M Reddy Perati 10.22034/jsm.2020.1885789.1529 Open Access Article Abstract Page Full-Text 2 - Free Torsional Vibration Analysis of Hollow and Solid Non-Uniform Rotating Shafts Using Distributed and Lumped Modeling Technique A Saghafi M .A Azizi 10.22034/jsm.2021.1899087.1591 Open Access Article Abstract Page Full-Text 3 - Longitudinal-Torsional and Two Plane Transverse Vibrations of a Composite Timoshenko Rotor M Irani Rahagi A Mohebbi H Afshari