Affiliation: | 1. Department of Mechanical Engineering, Kobe University, 1-1, Rokkodai, Nada, Kobe, 657-8501 Japan;2. Department of Mechanical Engineering, Shizuoka University, 3-5-1, Johoku, Naka, Hamamatsu, 432-8561 Japan;3. Graduate School of Science and Technology, Shizuoka University, 3-5-1, Johoku, Naka, Hamamatsu, 432-8561 Japan;4. Department of Mechanical Engineering, Ritsumeikan University, 1-1-1, Noji Higashi, Kusatsu, 525-8577 Japan |