STUDY ON 3D NUMERICAL ANALYSIS AND VISUALIZATION ON TSUNAMI INUNDATION FOR LOCAL DISASTER MITIGATION EDUCATION

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  • 地域防災教育のための３次元津波浸水解析とその可視化に関する研究
  • チイキ ボウサイ キョウイク ノ タメ ノ 3ジゲン ツナミ シンスイ カイセキ ト ソノ カシカ ニ カンスル ケンキュウ

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Abstract

 In this study, we proposes the complex tool for local disaster prevention education by combining the tsunami numerical simulation and high quality visualization. we conducted the numerical simulation and its visualization about tsunami caused by the 2011 off the Pacific coast of Tohoku Earthquake in a partial area of Kesennuma-city, Miyagi. For our numerical models, we adopted planer 2D tsunami propagation model based on shallow water theory and 3D tsunami inundation model by directory solving Navier-Stokes equation. We converted the numerical results into the evacuator's view by using the texture mapping of the aerial photo and adding CG effect of the water surface, we realized the photographic visualization through which the residents can intuitively comprehend the disaster. It turns out to be useful to the education and training of tsunami evacuation.

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