桃林口水库下游山区洪水演进模拟和洪灾损失评估

doi:10.11988/ckyyb.20161356

院报 ›› 2018, Vol. 35 ›› Issue (6): 36-41,66.DOI: 10.11988/ckyyb.20161356

桃林口水库下游山区洪水演进模拟和洪灾损失评估

李大鸣¹,陈硕¹,顾利军¹,高正廉²,高金燕²

1.天津大学水利工程仿真与安全国家重点实验室,天津 300072;
2.河北省桃林口水库管理局,河北秦皇岛 066000

收稿日期:2016-12-28 修回日期:2017-03-24 出版日期:2018-06-01 发布日期:2018-06-16
作者简介:李大鸣(1957-),男,河北枣强人,教授,博士,主要从事水力学及河流动力学研究。E-mail:lidaming@tju.edu.cn
基金资助:
国家自然科学基金创新研究群体科学基金资助项目(51021004);河北省水利科研计划资助项目(HS2007-43)

Flood Routing Simulation and Flood Loss Assessment for Mountainous Area in the Downstream of Taolinkou Reservoir

LI Da-ming¹, CHEN Shuo¹, GU Li-jun¹, GAO Zheng-lian², GAO Jin-yan²

1.State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China;
2. Taolinkou Reservoir Administration of Hebei Province, Qinhuangdao 066000, China

Received:2016-12-28 Revised:2017-03-24 Online:2018-06-01 Published:2018-06-16

摘要/Abstract

摘要： 以二维非恒定流控制方程为理论基础,采用有限体积法,建立了洪水演进数学模型。将改进的水量平衡模式应用于山区洪水演进计算,以解决单元虚假流动的问题;同时在考虑山区地形对洪水演进的影响条件下,以桃林口水库泄洪过程作为模型边界条件,对下游山区的淹没范围、淹没水深和流场进行了模拟;并结合青龙河两岸洪痕点实测值对模型进行了验证,模拟结果与实际情况基本吻合;最后以洪水演进为基础,对洪灾经济损失和生命损失进行了估算。该研究成果可为评价区域防洪影响提供必要的研究思路和方法。

关键词: 有限体积法, 洪水演进, 水量平衡, 桃林口水库, 洪灾损失评估

Abstract: In this article, a mathematical model of flood routing is established by finite volume method based on two-dimensional unsteady flow equations. An improved water balance model is applied to the flood routing calculation to solve the problem of false flow in the unit of mountainous area. According to the boundary condition deter-mined by the flood process of Taolinkou reservoir, the submerged area, submerged depth and flow fields in the downstream mountainous area are calculated in consideration of the influence of mountainous terrain on flood routing. Furthermore, the values of flood marks on the riverbank were adopted for model validation, and the simulation results are overall consistent with historical observed data. On the basis of flood routing simulation, the economic and life losses caused by flood disaster are estimated. The research result provides necessary ideas and methods for impact assessment of regional flood control.

Key words: finite volume method, flood routing, water balance, Taolinkou reservoir, flood loss assessment

中图分类号:

TV112

李大鸣,陈硕,顾利军,高正廉,高金燕. 桃林口水库下游山区洪水演进模拟和洪灾损失评估[J]. 院报, 2018, 35(6): 36-41,66.

LI Da-ming, CHEN Shuo, GU Li-jun, GAO Zheng-lian, GAO Jin-yan. Flood Routing Simulation and Flood Loss Assessment for Mountainous Area in the Downstream of Taolinkou Reservoir[J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2018, 35(6): 36-41,66.

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桃林口水库下游山区洪水演进模拟和洪灾损失评估

Flood Routing Simulation and Flood Loss Assessment for Mountainous Area in the Downstream of Taolinkou Reservoir

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