城市暴雨内涝水文水动力耦合模型研究进展

Coupled hydrologic-hydrodynamic model for urban rainstorm water logging simulation:recent advances

城市地表是暴雨内涝水文与水动力过程的共同载体,水流运动是水文与水动力过程的共同形式,故暴雨内涝水文与水动力过程存在极为复杂的耦合关系.从城市暴雨内涝水文水动力耦合模型构建的角度,综述了城市暴雨内涝水文水动力学机制、数学模型及其求解方法的研究进展,总结了各种模型及方法的优缺点,指出了水文驱动水动力模型与水文水动力耦合模型的本质区别,并探讨了城市暴雨内涝水文水动力自适应耦合建模方法及高性能计算技术.

Hydrologic and hydrodynamic processes of urban waterlogging occurr simultaneously on the same urban surface in terms of water flow movement,hydrologic process and hydrodynamic process are therefore tightly coupled with very complex relationship.Hydrologic-hydrodynamic coupling mechanism,mathematical models,and numerical methods of urban rainstorm waterlogging are reviewed in the context of model construction.Advantages and disadvantages of these models and methods are discussed.The essential difference between driving and coupling approaches for hydrologic model and hydrodynamic model is revealed.An adaptively coupled hydrologic-hydrodynamic modeling approach and high performance computing technology for urban rainstorm water logging simulation are discussed.