| 溃坝洪水的数学模型应用 |
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| 引用本文： | 胡晓张,张小峰.溃坝洪水的数学模型应用[J].武汉大学学报(工学版),2011,44(2):178-181. |
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| 作者姓名： | 胡晓张 张小峰 |
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| 作者单位： | 1. 珠江水利科学研究院,广东,广州,510611
2. 武汉大学水资源与水电工程科学国家重点实验室,湖北,武汉,430072 |
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| 基金项目： | 国家重大基础研究计划"973"项目 |
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| 摘 要： | 根据溃坝洪水传播和运动的特点,采用守恒性较好和能够捕捉间断波的有限体积法,建立了一个包括上游库区洪水演进、溃坝过程和下游淹没影响区洪水演进的溃坝洪水数学模型,并采用经验公式和实验结果分别对溃口流量和二维溃坝洪水传播进行了验证.利用所建立的数学模型对某水库溃坝洪水演进和传播过程进行了模拟计算,溃口流量变化过程、坝上水位变化、溃坝洪水淹没过程和水量守恒等结果分析,表明所建立的溃坝洪水数学模型能较好地模拟洪水从库尾向坝址的传播以及溃坝洪水在下游淹没影响区的演进过程,并且模型计算结果完全能满足水量守恒,可以用于实际工程计算.
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| 关 键 词： | 溃坝洪水 数学模型 有限体积法 |
Application of mathematical model for dam-break flood flow |
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| HU Xiaozhang,ZHANG Xiaofeng.Application of mathematical model for dam-break flood flow[J].Engineering Journal of Wuhan University,2011,44(2):178-181. |
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| Authors: | HU Xiaozhang ZHANG Xiaofeng |
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| Affiliation: | HU Xiaozhang1,ZHANG Xiaofeng2(1.Peparl River Water Conservancy Scientific Research Institute,Guangzhou 510611,China,2.State Key Laboratory of Water Resources and Hydropower EngineeringScience,Wuhan University,Wuhan 430072,China) |
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| Abstract: | Base on the spread and movement character of dam-break flood,the author introduced the finite volume method(FVM) that is good at conservation and catching gap,and build a dam-break mathematical model,which comprises flood flow upstream reservoir,dam-break process and flood flow downstream flood-influencing area,the model respectively validated dam-breach discharge by experiential formula,2D dam-break flood flow by experiment result.And then the model is used for simulating dam-break flood flow of a reservoi... |
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| Keywords: | dam-break flood mathematical model finite volume method(FVM) |
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