American Institute of Aeronautics and Astronautics 1 Analysis of Membrane Dynamics using Multi-Particle Model for Solar Sail Demonstrator "IKAROS" Yoji Shirasawa 1 Japan Space Exploration Agency (JAXA), Sagamihara, 252-5210, Japan Osamu Mori 2 , Japan Space Exploration Agency (JAXA), Sagamihara, 252-5210, Japan Yasuyuki Miyazaki 3 , Nihon University, Funabashi, 274-8501, Japan Hiraku Sakamoto 4 , Tokyo Institute of Technology, Tokyo, 152-8552, Japan Mitsue Hasome 5 , Tokai University, Hiratsuka, 252-1292, Japan Norizumi Okuizumi 6 and Hirotaka Sawada 7 , Japan Space Exploration Agency (JAXA), Sagamihara, 252-5210, Japan Hiroshi Furuya 8 , Tokyo Institute of Technology, Yokohama, 226-8502, Japan Saburo Matsunaga 9 , Tokyo Institute of Technology, Tokyo, 152-8552, Japan Michihiro Natori 10 , Waseda University, Tokyo, 169-8555, Japan and Jun'ichiro Kawaguchi 11 Japan Space Exploration Agency (JAXA), Sagamihara, 252-5210, Japan 1 Post-doctoral Researcher, JAXA Space Exploration Center, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan. 2 Assistant Professor, JAXA Space Exploration Center, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan. 3 Professor, Department of Aerospace Engineering, 7-24-1 Narashinodai, Funabashi, Chiba, Japan. 4 Assistant Professor, Department of Mechanical and Aerospace Engineering, 2-12-1 Ookayama, Meguro-ku, Tokyo, Japan. 5 Graduate Student, Department of Aeronautics and Astronautics, 4-1-1 Kitakaname, Hiratsuka, Kanagawa, Japan. 6 Assistant Professor, Institute of Space and Astronautical Science, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan. 7 Post-doctoral Fellow, JAXA Space Exploration Center, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan. 8 Associate Professor, Department of Built Environment, 4259-G3-6, Nagatsuta, Midori-ku, Yokohama, Japan. 9 Associate Professor, Department of Mechanical and Aerospace Engineering, 2-12-1 Ookayama, Meguro-ku, Tokyo, Japan. 10 Visiting Professor, Faculty of Science and Engineering, 55S-608, 3-4-1 Okubo, Shinjyuku, Tokyo, Japan. 11 Professor, JAXA Space Exploration Center, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, Japan. 52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference<BR> 19th 4 - 7 April 2011, Denver, Colorado AIAA 2011-1890 Copyright © 2011 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.