非恒定流数值模拟技术 Numerical simulation technique of unsteady flow
In general,the simulation of diversion flood rounting using 2D unsteady flow simulation,but for the flood storage of Dongting Lake region because of that greater number and smaller size its application with certain limitations.
一般情况下的分洪洪水演进都用二维非恒定流模拟,但针对相对洞庭湖区蓄洪垸面积较小而数量较多的特点,其应用上有一定的局限性。
参考来源 - 洞庭湖区蓄洪垸分洪洪水演进模拟研究·2,447,543篇论文数据，部分数据来源于NoteExpress
采用一维非恒定流方程模拟地下排水管网内的水流，并给出泵站、闸门、淹没出流管道等排水系统的处理方法。
The flow in the drainage pipe network is simulated by one-dimensional unsteady flow theory, and the calculation of the pumping stations, the water gates and submersed pipes is indicated.
文章采用多边界潮汐控制数据采集系统成功地模拟了多边界非恒定潮汐流问题，通过动床试验研究提出了八塘尾河段的整治方案，并给出了预测本河段回淤量的计算式。
Based on the movable bed test and study, the regulation scheme for Batangwei reach was set forth and the formula for calculating siltation volume of the reach was derived.
进行非恒定流数值模拟计算，分析过渡过程中的水流特性，对输水系统的设备的设计和运行都具有重要意义。
It has vital significance to design and operate the water-carriage system's equipment to simulate the unsteady flow and to analysis the fluent characteristic of the transient process.
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