W. C. Huang, S. M. Nien (Dept. of Mechanical Engineering, National Central University), J. L. Ruan, Y. K. Kuo (National Chung-Shan Inst. of Science and Technology), and B. T. H. Lee (Dept. of Mechanical Engineering, National Central University)

M. F. Youssef, G. Khairy, E. Gad (Suez Canal University), H. Kalil (Cleveland State University, Suez Canal University), and M. Bayachou (Cleveland State University)

J. H. Yoon, M. K. Song, and J. Y. Kwon (Yonsei University)