1. Department of Aeronautics and Astronautics Kyushu University Fukuoka 819-0395 Japan
2. Research Institute for Applied Mechanics (RIAM) Kyushu University Fukuoka 816-8580 Japan
3. Institute of Materials and Systems for Sustainability (IMaSS) Nagoya University Nagoya 464-8601 Japan
4. AdvanceSoft Corporation Tokyo 101-0062 Japan