河川合流地域における洪水氾濫挙動に関する基礎的研究

URI http://harp.lib.hiroshima-u.ac.jp/it-hiroshima/metadata/8181
File
Title
河川合流地域における洪水氾濫挙動に関する基礎的研究
Title Alternative
Basic study on Flood Behavior in River Confluence Region
Author
氏名 石井 義裕
ヨミ イシイ ヨシヒロ
別名 Ishii Yoshihiro
氏名 福山 慶高
ヨミ フクヤマ ヨシタカ
別名 Fukuyama Yoshitaka
氏名 真鍋 圭治
ヨミ マナベ ケンジ
別名 Manabe Keiji
氏名 神原 浩
ヨミ カンバラ ヒロシ
別名 Kanbara Hiroshi
Subject
numerical simulation
flood behavior
river confluence area
NDC
517.4
Abstract

In recent year, the torrential rain, which is known as “guerrilla heavy rain”, occurred in many parts of Japan. The large-scale flood attacked us and caused serious damage. Coveying accurate information a disaster prevention to people is necessary for the reduction of serious damage. It is especially important to forecast where the disaster may be expected to happen. The rapid rising water level has the possibility of leading to the flood flow, and we must be accurately informed where it is happening. In this paper, the model experiment and the numerical simulation are carried out on the river confluence area. The calculation is executed by the finite volume method using the code of CFD2000. The vortex is only observed in the experiment, but the occurrence of the vortex and the upstream flow for upstream are seen in the calculation. The results of numerical simulations qualitatively show the experiment well, except some problems. It will be necessary to improve the model about problems in the future.

Journal Title
広島工業大学紀要. 研究編
Volume
43
Spage
99
Epage
104
Published Date
2009-02
Publisher
広島工業大学
ISSN
1346-9975
NCID
AA11599110
Language
jpn
NIIType
Departmental Bulletin Paper
Text Version
出版社版
Old URI
Set
it-hiroshima