1. Department of Mathematics Shivagangotri Davangere University Davangere India
2. Department of Mathematics University BDT College of Engineering Davangere India
3. Department of Mechanical Engineering University of West Attica Athens Greece
4. Department of Physics College of Science King Faisal University Al‐Ahsa Saudi Arabia
5. Department of Physics Laboratory of Fluid Mechanics Faculty of Sciences of Tunis University El Manar Tunis Tunisia