基于Google Earth的分蓄洪区水沙模拟与演示系统研究

doi:10.3969/j.issn.1001-5485.2014.02.002

院报 ›› 2014, Vol. 31 ›› Issue (2): 8-11.DOI: 10.3969/j.issn.1001-5485.2014.02.002

基于Google Earth的分蓄洪区水沙模拟与演示系统研究

张细兵, 毛冰

( 河流研究所,武汉 430010)

收稿日期:2013-01-11 修回日期:2013-04-16 出版日期:2014-01-26 发布日期:2014-01-27
作者简介:张细兵(1976-),男,湖北鄂州人,高级工程师,博士,主要从事水力学及河流动力学的研究, (电话)13517270826(电子信箱)jss9871@vip.163.com。
基金资助:
国家自然科学基金重点项目(51339001);国家十二五科技支撑项目(2012BAB04B02)

Flow and Sediment Routing Model and Demonstration System in Flood Diversion and Storage Area Based on Google Earth Software

ZHANG Xi-bing, MAO Bing

(River Department, Yangtze River Scientific Research Institute, Wuhan 430010, China

Received:2013-01-11 Revised:2013-04-16 Online:2014-01-26 Published:2014-01-27

摘要/Abstract

摘要： 基于Google Earth软件平台,建立了分蓄洪区平面二维水沙演进模拟系统。系统采用数字高程模型(DEM)地形数据插值技术,能快速、简单地完成模型的数据处理;模型采用非结构网格的有限体积算法,能进行快速计算并保持水量和动量的守恒;后处理基于Google Earth软件平台,能实现计算成果在三维虚拟场景中的动态演示。模型系统在荆江分洪区得到成功运用,能适应紧急情况下的快速计算,可为分蓄洪区防洪决策与抢险提供参考。

关键词: Google Earth软件, 洪水演进, 数值模拟, 动态演示

Abstract: A two-dimensional flow and sediment routing model in flood diversion and storage area was established based on Google Earth software. According to DEM (Digital Elevation Model), the grid terrain elevation was easily obtained by model interpolation module, and the model pre-treatment was rapid and efficient. The model calculation was carried out by finite volume method which keeps water and momentum conservation even with very coarse grid. The post-treatment module was developed based on Google Earth software by which virtual dynamic simulation can be implemented. The calculated flow field can be embedded into the 3-D aerial landscape in Google Earth software. The model system was applied to the flood diversion and storage area of Jingjiang river. It is very suitable for the rapid calculation in emergency conditions, and the calculation results provide reference for flood control and emergency rescue in flood diversion area.

Key words: Google Earth software, flood routing progress, numerical simulation, dynamic demonstration

中图分类号:

P236
TV876

张细兵, 毛冰. 基于Google Earth的分蓄洪区水沙模拟与演示系统研究[J]. 院报, 2014, 31(2): 8-11.

ZHANG Xi-bing, MAO Bing. Flow and Sediment Routing Model and Demonstration System in Flood Diversion and Storage Area Based on Google Earth Software[J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2014, 31(2): 8-11.

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基于Google Earth的分蓄洪区水沙模拟与演示系统研究

Flow and Sediment Routing Model and Demonstration System in Flood Diversion and Storage Area Based on Google Earth Software

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