1. Department of Mechanical Design and Production, Cairo University, Cairo 12316, Egypt e-mail:
2. Mem. ASME Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2102 e-mail:
3. Mem. ASME Department of Mechanical Engineering, American University in Cairo, New Cairo 11835, Egypt;
4. Department of Mechanical Engineering, Ain Shams University, Cairo 11566, Egypt e-mail:
5. Mem. ASME Department of Mechanical Engineering, American University in Cairo, New Cairo 11835, Egypt e-mail:
6. Fellow ASME Department of Mechanical Design and Production, Cairo University, Cairo 12316, Egypt e-mail: