河床变形 meaning in English
channel change
river bed deformation
riverbed deformation
Examples
- Effect analysis of sanxing shoal 2nd phase waterway regulation engineering of songhuajiang river
北江芦苞浅段航道整治工程河床变形分析 - The improved scheme can ensure the south branch to be open to navigation and the flow here not to be broken in low water seasons , and it will have active effect on protecting the south branch and fuyuan town . this study is an attempt of applying three - dimensional mathematical model in analogue calculation and analysis of flow , sediment and riverbed movements in a long river reach . it is very important for the future thorough research , and has great significance for promoting the application of the three - dimensional model to resolve
本研究是三维数学模型对较长河段水流、泥沙、河床运动模拟计算分析的一次尝试，其对今后进一步深入研究和应用三维模型解决工程实际问题，完善模拟方法、提高模拟水平，真正发挥数学模型其省时、省力、灵活方便和模拟细腻等在研究水沙运动规律和河床变形等方面研究中优势具有重要的意义。 - Based on the hydrodynamic theory , the riverbed deformation process of all reservoir area during long duration is investigated by using of computer numerical simulation . in the meantime , based on one dimensional sediment model , the simulation of the longitudinal scouring and sedimentation and lateral deformation in reservoir tidal flat and mainstream are researched . the quasi - two dimensional sediment numerical model forecasting longitudinal scouring and sedimentation and lateral deformation in reservoir and river are established
应用水动力学理论，以计算机数值模拟为手段，主要考虑长历时全库段的河床变形过程，在一维泥沙数学模型基础上，同时考虑水库滩槽纵向冲淤和横向变形的模拟，着重建立可以预测水库及河道纵向冲淤及横向变形的准二维泥沙数学模型。