Construction of a structure evolution model of small solar system bodies by numerical simulations of aggregate collisions
Construction of a structure evolution model of small solar system bodies by numerical simulations of aggregate collisions
批准号:
20740247
负责人:
WADA Koji
金额:
$2.83万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Young Scientists (B)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2009
中文摘要
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英文摘要
Small solar system bodies, such as comets and asteroids, are considered to be remnants of planetesimals formed through collisional growth of dust aggregates consisting of submicron grains in a protoplanetary disk. We carried out numerical simulations of collisions of dust aggregates to construct a structure evolution model of planetesimals and small solar system bodies. We reveal that very low density planetesimals are inevitably formed as a result of collisional growth of dust aggregates and such process leads small solar system bodies to have low density structures we observe at present.
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Collisional process on comet 9/P Tempel 1: Mass loss of its dust and ices by impacts of asteroidal objects and its collisional history
9/P 坦普尔 1 号彗星的碰撞过程:小行星物体撞击造成的尘埃和冰的质量损失及其碰撞历史
DOI:
--
发表时间:
2010
期刊:
Earth Planet. Space 62
影响因子:
--
作者:
[Yamamoto, S., Wada, K., Kobayashi, H., Kimura, H., Ishiguro, M., Matsui, T.]
通讯作者:
T.
Comet 9P/Tempel 1: interpretation with the Deep Impact results
彗星 9P/Tempel 1:用 Deep Impact 结果进行解释
DOI:
--
发表时间:
2008
期刊:
Astrophysical Journal Letters 673
影响因子:
--
作者:
[Itsuki Sakon, et al., S. Yamamoto]
通讯作者:
S. Yamamoto
Numerical simulation of dust aggregate collisions
尘埃聚集体碰撞的数值模拟
DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
[Wada, K]
通讯作者:
K
Growth and disruption of dust aggregates by Collisions, Proceedings of Cosmic Dust
碰撞导致尘埃聚集体的生长和破坏,宇宙尘埃论文集
DOI:
--
发表时间:
2009
期刊:
Near & Far 2008 in Astoronomical Society of the Pacific (in press)
影响因子:
--
作者:
[Wada, K., Tanaka, H., Suyama, T., Kimura, H., Yamamoto, T.]
通讯作者:
T.
ダストアグリゲイトの衝突による付着・反発・破壊
灰尘聚集体碰撞导致的粘附、排斥和破坏
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[和田浩二, 田中秀和, 陶山徹, 木村宏, 山本哲生]
通讯作者:
山本哲生
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