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Numerical simulation of shock attenuation in solids
https://jaxa.repo.nii.ac.jp/records/38393
https://jaxa.repo.nii.ac.jp/records/3839331dee643-bb81-4635-afb0-82aba3619a90
Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Numerical simulation of shock attenuation in solids | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 超高速衝突 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 小惑星衝突 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 微惑星 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衝撃波減衰 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衝撃波伝播 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衝撃波干渉 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 弾性波 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 計算機シミュレーション | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | hypervelocity impact | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | asteroid collision | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | planetesimal | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | shock wave attenuation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | shock wave propagation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | shock wave interaction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | elastic wave | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computerized simulation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
三谷, 典子
× 三谷, 典子× 井田, 茂× 渡邊, 誠一郎× Mitani, Noriko× Ida, Shigeru× Watanabe, Seiichiro |
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著者所属 | ||||||
東京大学 理学部 地球惑星科学科 | ||||||
著者所属 | ||||||
東京工業大学 理学部 地球惑星科学科 | ||||||
著者所属 | ||||||
名古屋大学 理学部 地球惑星科学科 | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Department of Earth and Planetary Sciences, Faculty of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Institute of Technology Department of Earth and Planetary Sciences, Faculty of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University Department of Earth and Planetary Sciences, Faculty of Science | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS) | |||||
書誌情報 |
第28回月・惑星シンポジウム en : Proceedings of the 28th ISAS Lunar and Planetary Symposium p. 98-101, 発行日 1995-12 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We have investigated numerically the propagation and the attenuation of shock wave produced by impact events of solid, in order to understand hypervelocity impact fragmentation of planetesimals. We adopt a non-linear elastic-plastic model, which is more realistic than the plastic-rigid model used in previous works. We found that the peak stress attenuates rapidly in the region where the stress becomes comparable to the material strength. This is considerably different from the previous estimate which claims the attenuation becomes slow there as in the case of ideal gas. The rapid attenuation is due to double shock and rarefaction structure, which is characteristic to elastic-plastic material, and the attenuation rate is almost independent of material parameters. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0063352026 |