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タイトル: Numerical Modeling of Earthquake Dynamic Rupture : Requirements for Realistic Modeling
その他のタイトル: 地震の動的破壊のモデリング: 現実的なモデル化に必要なもの
著者: Fukuyama, Eiichi
著者(別言語): 福山, 英一
キーワード: numerical modeling
earthquake dynamic rupture
drilling project
発行日: 2003年
出版者: 東京大学地震研究所
掲載誌情報: 地震研究所彙報. 第78号第2冊, 2003, pp. 167-174
抄録: I propose a strategy to make a numerical computation applicable to the realistic modeling of an earthquake dynamic rupture process.To do this, it is important to introduce any observables into the simulation as initial and boundary conditions.As an initial condition, distribution of total stress before the dynamic rupture, and as boundary conditions, fault constitutive relation and geometry of the fault are necessary.The initial stress distribution would be obtained by both in-situ measurements of stress and stress tensor inversions of earthquake focal mechanisms.Constitutive parameters could be obtained by near fault observations of seismic waves.Precise fault geometry can be obtained by an accurate relocation of seismicity as well as geological survey.Realistic simulations of a dynamic rupture of an earthquake can only be done by integrating the above observations.
URI: http://hdl.handle.net/2261/5742
ISSN: 00408972


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