1. Interdisciplinary Graduate School of Engineering Science; Kyushu University; 816-8580 Fukuoka Japan
2. College of Basic Education for Commanding Officers; National University of Defense Technology; 410073 Changsha China
3. Research Institute for Applied Mechanics; Kyushu University; 816-8580 Fukuoka Japan
4. Mechanic and Electronics Research Institute; Fukuoka Industrial Technology Center; 807-0831 Kitakyusyu Japan