@inproceedings{oai:jaxa.repo.nii.ac.jp:00038391,
 author = {万代, 英俊 and 城野, 信一 and 渡邊, 誠一郎 and 山本, 哲生 and Mandai, Hidetoshi and Shirono, Shinichi and Watanabe, Seiichiro and Yamamoto, Tetsuo},
 book = {第28回月・惑星シンポジウム, Proceedings of the 28th ISAS Lunar and Planetary Symposium},
 month = {Dec},
 note = {We simulate collisions of two planetesimals that are regarded as fluffy bodies. It is shown that the features of collisions depend strongly on the grain radius composing planetesimals. When two planetesimals collide each other at speed about 10 m/s, they are broken into pieces of grain radius of 0.1 micrometer. Since tensile strength of a planetesimal increases inversely proportional to the grain radius, the collisional displacement is reduced with decreasing grain radius. It is found that planetesimals consisting of grains of 0.1 micrometer or smaller are not destroyed by collisions., 資料番号: AA0063352024},
 pages = {90--93},
 publisher = {宇宙航空研究開発機構宇宙科学研究本部, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)},
 title = {SPH simulation of collisions of grain aggregates},
 year = {1995}
}