Affiliation: | (1) Department of Mechanical Eng., College of Eng., Pukyong National University San 100, Yongdang-Dong, Nam-Gu, 608-739 Pusan, Korea;(2) Department of Mechanical Eng., Ho Chi Minh City University of Technology, 268 Ly Thuong Kiet, Dist. 10, Ho Chi Minh City, Vietnam |