Affiliation: | 1.Department of Mechanical Engineering and Science, Kyoto University, C3, Kyotodaigaku-katsura, Nishikyo-ku, Kyoto, 615-8540, Japan ;2.Department of Aerospace Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka, 599-8531, Japan ; |