日本原子力学会和文論文誌
Online ISSN : 2186-2931
Print ISSN : 1347-2879
論文 (福島第一原子力発電所事故関連論文)
2011年東北地方太平洋沖地震の津波シミュレーション解析:津波波源モデルの違いによる福島第一原子力発電所・福島第二原子力発電所施設周辺に作用する津波波力の差異の評価
藤原 了橋本 紀彦是永 眞理子田宮 貴洋
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ジャーナル フリー

2016 年 15 巻 1 号 p. 1-11

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 Since the 2011 Tohoku-Oki Earthquake, evaluations based on a tsunami simulation approach have had a very important role in promoting tsunami disaster prevention measures in the case of mega-thrust earthquakes. When considering tsunami disaster prevention measures based on the knowledge obtained from tsunami simulations, it is important to carefully examine the type of tsunami source model. In current tsunami simulations, there are various ways to set the tsunami source model, and a considerable difference in tsunami behavior can be expected among the tsunami source models. In this study, we carry out a tsunami simulation of the 2011 Tohoku-Oki Earthquake around Fukushima Daiichi (I) Nuclear Power Plant and Fukushima Daini (II) Nuclear Power Plant in Fukushima Prefecture, Japan, using several tsunami source models, and evaluate the difference in the tsunami behavior in the tsunami inundation process. The results show that for an incoming tsunami inundating an inland region, there are considerable relative differences in the maximum tsunami height and wave pressure. This suggests that there could be false information used in promoting tsunami disaster prevention measures in the case of mega-thrust earthquakes, depending on the tsunami source model.

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© 2016 一般社団法人 日本原子力学会
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