MIKE URBAN 城市洪水模拟_DHI
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扩大和扩充管网系统并建造蓄水设施 • Real time control for optimal use of storage capacity in the system 实时控制以优化系统的储水能力 • Flood forecasting 洪水预警
Numerical modelling is needed!
• Economic consideration of community damage
社会损失的经济学评估
• Necessary preparedness to deal with extreme events
充足准备以应对极端情况
Solutions 解决方案
• Enlarge and extend sewer system and build retention basins
• Avoid contact between mixed waste water and storm water
避免污水和雨水的混合
• Protection of vital infrastructure
electricity-, water-, heat, communication and hospitals 保护重要的设施 相关电力、水、热能的设施以及通讯和医院
一维管流 + 二维地面漫流
MIKE FLOOD
The state-of-the-art for flood modeling MIKE URBAN MIKE 21 MIKE 11
Collection system & city 管网和城市
River & Estuary河口、江口
River & Flood plain流域洪水
需要数学模拟辅助
1D sewer network model principles
一维管网模型原理
Dual drainage concept
1D-1D drainage network model 1D-1D管网模型
2D Flood Modeling/二维洪水模拟
1D pipe flow and 2D overland flow
基于合理的决策，接受在城市中发生洪水 • City planni百度文库g & laws 城市规划和法规 • Roads as elements in flood mitigation strategies 道路作为城市洪水减少对策的基本元素
Conscious acts to deal with situations of water above ground
•
•
•
FLOOD DAMAGES 洪水造成的损失
• Direct damages/直接损失 • Indirect damages/间接损失 • Social consequences/社会问题
FLOODS...
Living with floods – Challenges 洪水带来的挑战
• Acceptance of flooding in cities, based on informed decisions
What is flooded ?
Direct Damages 直接损失
What does flooding cost ? 洪水带来的损失
Risk as function of water depth and flow velocity 以水深和流速评估洪水灾害
Traffic Planning 交通预案
WHY do we get flooded?
为何城市洪水频发？
• Sewer systems development slower than the city development •
管网发展速度与城市化进程脱节 Increasing population density in cities and increasing imperviousness 城市人口的增加和不透水地面的增加 River regulation causing unforeseen problems in nearby cities 周边城市河道调度所导致的不可预见问题 Changing weather conditions 气候变化 City expansion in flood hazard areas 城市规划问题 Etc.
Predicted flooding – 10 year return period 预测十年一遇降雨产生的洪水
Soccer field in Greve
Flooding 10 years return period – using soccer field as retension basin 10年一遇洪水—使用足球场作为蓄水池
更真实模拟城市地面流和淹水区域
• Various structures modelling
各种结构物模拟
• Velocity maps 流速图
• High speed calculations 运算速度快
Reduction of damage 减少灾害
• Reduce the extent of the flooding 减少洪水的范围 • Control which areas get flooded 控制产生洪水的区域 • Emergency handling readiness紧急预案 • Prediction and warning about flooding洪水预测和预警
复杂管网模拟
2D advantages/二维模型优点: • High resolution 高精度
• Adapted data for river or urban
networks适合于河道及管道
• More realistic approach for
floodplain and urban surface flows
MIKE FLOOD
1D-2D coupling principles/耦合原理
MIKE FLOOD
1D-2D coupling principles /耦合原理
MIKE FLOOD
Get the best of both models综合两种模型的优点
1D advantages/一维模型优点: • Complex networks modelling
Urban Flooding using Modeling 城市洪水模拟
Gunvor Tychsen Philip
DHI China
Urban Flooding Risk Everywhere 世界各地都面临城市雨洪风险
Prague (Czech Republic)
Dhaka City (Bangladesh)
Example of different flooding types 不同类型的洪水示例
Numerical modelling is needed!
• Economic consideration of community damage
社会损失的经济学评估
• Necessary preparedness to deal with extreme events
充足准备以应对极端情况
Solutions 解决方案
• Enlarge and extend sewer system and build retention basins
• Avoid contact between mixed waste water and storm water
避免污水和雨水的混合
• Protection of vital infrastructure
electricity-, water-, heat, communication and hospitals 保护重要的设施 相关电力、水、热能的设施以及通讯和医院
一维管流 + 二维地面漫流
MIKE FLOOD
The state-of-the-art for flood modeling MIKE URBAN MIKE 21 MIKE 11
Collection system & city 管网和城市
River & Estuary河口、江口
River & Flood plain流域洪水
需要数学模拟辅助
1D sewer network model principles
一维管网模型原理
Dual drainage concept
1D-1D drainage network model 1D-1D管网模型
2D Flood Modeling/二维洪水模拟
1D pipe flow and 2D overland flow
基于合理的决策，接受在城市中发生洪水 • City planni百度文库g & laws 城市规划和法规 • Roads as elements in flood mitigation strategies 道路作为城市洪水减少对策的基本元素
Conscious acts to deal with situations of water above ground
•
•
•
FLOOD DAMAGES 洪水造成的损失
• Direct damages/直接损失 • Indirect damages/间接损失 • Social consequences/社会问题
FLOODS...
Living with floods – Challenges 洪水带来的挑战
• Acceptance of flooding in cities, based on informed decisions
What is flooded ?
Direct Damages 直接损失
What does flooding cost ? 洪水带来的损失
Risk as function of water depth and flow velocity 以水深和流速评估洪水灾害
Traffic Planning 交通预案
WHY do we get flooded?
为何城市洪水频发？
• Sewer systems development slower than the city development •
管网发展速度与城市化进程脱节 Increasing population density in cities and increasing imperviousness 城市人口的增加和不透水地面的增加 River regulation causing unforeseen problems in nearby cities 周边城市河道调度所导致的不可预见问题 Changing weather conditions 气候变化 City expansion in flood hazard areas 城市规划问题 Etc.
Predicted flooding – 10 year return period 预测十年一遇降雨产生的洪水
Soccer field in Greve
Flooding 10 years return period – using soccer field as retension basin 10年一遇洪水—使用足球场作为蓄水池
更真实模拟城市地面流和淹水区域
• Various structures modelling
各种结构物模拟
• Velocity maps 流速图
• High speed calculations 运算速度快
Reduction of damage 减少灾害
• Reduce the extent of the flooding 减少洪水的范围 • Control which areas get flooded 控制产生洪水的区域 • Emergency handling readiness紧急预案 • Prediction and warning about flooding洪水预测和预警
复杂管网模拟
2D advantages/二维模型优点: • High resolution 高精度
• Adapted data for river or urban
networks适合于河道及管道
• More realistic approach for
floodplain and urban surface flows
MIKE FLOOD
1D-2D coupling principles/耦合原理
MIKE FLOOD
1D-2D coupling principles /耦合原理
MIKE FLOOD
Get the best of both models综合两种模型的优点
1D advantages/一维模型优点: • Complex networks modelling
Urban Flooding using Modeling 城市洪水模拟
Gunvor Tychsen Philip
DHI China
Urban Flooding Risk Everywhere 世界各地都面临城市雨洪风险
Prague (Czech Republic)
Dhaka City (Bangladesh)
Example of different flooding types 不同类型的洪水示例