1. Department of Mechanical Engineering, Shahrood branch, Islamic Azad University, Shahrood, Iran
2. Division of Mechanics, Civil Engineering Department, Akdeniz University, Antalya, Turkey
3. Faculty of Engineering, Shahrekourd University, Shahrekord, Iran
4. Department of Mechanics of Materials and Structures, Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Gdansk, Poland