任意格子に基づくオーバーラッピング手法を用いた2次元・3次元ハイブリッド津波解析手法

凌 国明; 松本 純一; 樫山 和男

doi:10.2208/jscejam.72.I_285

Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM))

Online ISSN : 2185-4661
ISSN-L : 2185-4661

Journal of Applied Mechanics Vol.19 (Special Feature)

A 2D-3D HYBRID METHOD USING THE OVERLAPPING METHOD BASED ON ARBITRARY GRID FOR TSUNAMI ANALYSIS

Guoming LING, Junichi MATSUMOTO, Kazuo KASHIYAMA

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Keywords: Overlapping Method, 2D-3D hybrid method, Tsunami, Stabilized Finite Element Method, VOF Method

JOURNAL FREE ACCESS

2016 Volume 72 Issue 2 Pages I_285-I_293

DOI https://doi.org/10.2208/jscejam.72.I_285

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Abstract

This paper presents a 2D-3D hybrid method based on unstructured mesh for tsunami simulation. As a coupling method for the 2D and the 3D, the overlapping method using arbitrary grid has superior applicability for the wave transferring from bidirection. The 2D shallow water equation and the 3D Navier-Stokes equation are used as the governing equations. Several numerical examples are used to show the validity and the effectiveness of the presented method.

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