Analysis and simulation of flood inundation based on digital earth

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (13): 219-222.

• 工程与应用 • Previous Articles Next Articles

Analysis and simulation of flood inundation based on digital earth

JIANG Rengui1，XIE Jiancang1，LI Jianxun1，2，LI Hao3，LI Weiqian1

1.Faculty of Water Resources and Hydraulic Power，Xi’an University of Technology，Xi’an 710048，China
2.Faculty of Economics and Management，Xi’an University of Technology，Xi’an 710054，China
3.Bureau of the Upper and Middle Reaches of the Yellow River，Xi’an 710021，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-05-01 Published:2011-05-01

基于数字地球的洪水淹没分析及仿真研究

姜仁贵1，解建仓1，李建勋1，2，李昊3，李维乾1

1.西安理工大学水利水电学院，西安 710048
2.西安理工大学经济与管理学院，西安 710054
3.黄河上中游管理局，西安 710021

Abstract

Abstract: This paper analyzes the flood disaster in the recent years，uses modern information technology to deal with flood inundation analysis and 3D simulation，adopts titled pyramid structure to build multi-resolution 3D terrain of area for study area，and generates rectangular grid model in certain step length at the request of precision requirement.Flood inundation analysis is done in the situation of given flood level or flood volume.The system structure of 3D simulation is analyzed，and JOGL（Java bindings for OpenGL） technology is adopted to do simulation of the process of flood spread.A case study indicates that the scheme designed has good practicability，which is great important to flood control decision and post-evaluation.

Key words: flood disaster, flood inundation analysis, grid model, three-dimensional simulation, digital earth

摘要： 针对洪涝灾害中洪水淹没问题，采用现代信息技术对洪水进行淹没分析和三维仿真。基于瓦片金字塔模型生成研究区域的三维地形，在此基础上按照精度要求构建指定步长的矩形格网模型，对给定洪水水位值和洪水量已知的两种情况分别进行洪水淹没分析，提出洪水淹没仿真系统体系，采用三维仿真技术对洪水淹没进行三维仿真进行淹没过程的三维仿真。实例表明，方法具有较好的实用性，对防洪决策及洪灾后评估等具有重要意义。

关键词: 洪涝灾害, 洪水淹没分析, 格网模型, 三维仿真, 数字地球

JIANG Rengui1，XIE Jiancang1，LI Jianxun1，2，LI Hao3，LI Weiqian1. Analysis and simulation of flood inundation based on digital earth[J]. Computer Engineering and Applications, 2011, 47(13): 219-222.

姜仁贵1，解建仓1，李建勋1，2，李昊3，李维乾1. 基于数字地球的洪水淹没分析及仿真研究[J]. 计算机工程与应用, 2011, 47(13): 219-222.

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Analysis and simulation of flood inundation based on digital earth

基于数字地球的洪水淹没分析及仿真研究

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