1. Memorial University,Department of Mechanical and Mechatronics Engineering,St. John's,NL,Canada,A1B 3X5
2. King Fahd University of Petroleum and Minerals,Department of Mechanical Engineering,Dhahran,Saudi Arabia
3. Jordan University of Science and Technology,Department of Aeronautical Engineering,Irbid,Jordan
4. School of Engineering, University of Guelph,Guelph,ON,Canada,NIG 2W1