摘要
为分析某淤积型水库淤沙对溃坝洪水计算的影响,将MIKE21中的水动力模块与输沙模块耦合构建了二维溃坝水沙模型,分别模拟了不考虑淤沙与考虑淤沙运动水库的溃坝洪水演进过程。模拟结果表明,与不考虑淤沙运动水库溃坝相比,考虑淤沙的水库溃坝洪水下游各断面洪峰流量减小,洪水过后水位升高,水深变化不明显。
In order to analyze the influence of sediment in reservoir sedimentation on routing process of dam break flood, two-dimensional water-silt dam-break model is established by coupling hydrodynamic module （HD） and sand transport module （ST） in MIKE21 software. The dam-break flood routing process is simulated with or without considering the scouring and aggrading process of sediment in a reservoir. The results show that simulation considering the slit downstream sections have smaller peak flow discharge, lower water level after the dam break flood, water depth also changes in comparison with the simulation not considering the slit.
出处
《水电能源科学》
北大核心
2011年第5期41-43,33,共4页
Water Resources and Power
