NUMERICAL MODELING OF TSUNAMI ATTENUATION EFFECT WITH MANGROVE

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  • TADOKORO Ayaka
    中央大学大学院 理工学研究科都市人間環境学専攻
  • PRASETYO Adi
    Experimental Station for Coastal Engineering, Ministry of Public Works and Housing, Indonesia
  • MURATA Shin
    八千代エンジニアリング株式会社 海外事業部 交通基盤部
  • WATANABE Masashi
    中央大学 理工学部都市環境学科
  • ARIKAWA Taro
    中央大学 理工学部都市環境学科

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Other Title
  • マングローブを用いた津波低減効果の数値モデリング手法に関する検討

Abstract

<p> Coastal vegetation, such as coastal forests and mangroves, has been focused on its mitigation effects as green infrastructure. However, the current numerical calculation speeds do not allow for detailed modeling of vegetation with complex root structures. In this study, we aimed to establish a low-cost calculation method for mangroves by using the porosity. The validity of the method was verified by comparing with physical experiments, and the disaster mitigation effect of a raised road was examined using the cross-sectional shape of the local site. The numerical results are consistent with the experimental results, although they are slightly underestimated.</p>

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