长河段二维水沙数学模型研究及应用*

为了适应长江长河段系统治理技术的需要,对TK-2DC软件水沙计算核心部分进行了并行程序开发,将并行计算技术应用到长河段水沙数学模型中,大大提高了长河段水沙模拟计算效率及模型计算的时效性。建立了长江中游沙市—监利、戴家洲—牯牛沙及长江下游安庆—南京长河段平面二维水沙数学模型,对航道整治工程效果进行了模拟预测。

Application of parallel computing technology in long reach flow and sediment mathematical model

Adapting to the need for long reach waterway regulation technology systematically, we developed the water and sediment calculation core parallel program of TK-2DC software, and applied the parallel computing technology to the long reach flow and sediment mathematical model, which improved greatly the computation efficiency and timeliness of long reach flow and sediment simulation of model computing. We also established the long reach flow and sediment mathematical model including Shashi to Jianli, Daijiazhou to Guniusha long reach plane 2D water and sediment mathematical model in the middle reach area of the Yangtze River, and Anqing to Nanjing related waterway regulation project in the lower reach of the Yangtze River, and carried out a model forecast of waterway regulation engineering effects.