1. Department of Mathematics College of Science and Arts Jouf University Al‐Qurayyat Saudi Arabia
2. Department of Mathematics Faculty of Science Mansoura University Mansoura Egypt
3. Mechanical Engineering Department Faculty of Engineering Shahid Chamran University of Ahvaz Ahvaz Iran
4. Department of Mechanics of Materials and Structures Faculty of Civil and Environmental Engineering Gdansk University of Technology Gdansk Poland
5. Don State Technical University Rostov on Don Russia
6. DICAAR Università degli Studi di Cagliari Cagliari Italy