| 求解圆形排水管道正常水深的一种新方法 |
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| 引用本文： | 殷彦平,吕宏兴,张宽地. 求解圆形排水管道正常水深的一种新方法[J]. 水利与建筑工程学报, 2011, 9(4): 18-21 |
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| 作者姓名： | 殷彦平 吕宏兴 张宽地 |
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| 作者单位： | 西北农林科技大学水利与建筑工程学院,陕西杨凌,712100 |
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| 基金项目： | 国家自然科学基金资助项目(41001159); 国家“973”计划课题(2007CB407201); 高校博士点基金项目(20090204110019) |
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| 摘 要： | 将圆形断面均匀流水深的计算建模为一个非线性约束优化问题,应用混合模式搜索算法加以求解。通过实例计算以及与文献方法的计算结果对比分析,表明混合模式搜索算法求解圆形断面均匀流水深适用性强、计算精度高、算法实现简单,同时验证了算法的有效性和正确性,为圆形排水管道正常水深问题的求解提供了一条新途径。
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| 关 键 词： | 圆形过水断面 水力计算 模式搜索算法 |
A New Method for Solving Normal Depth of Circular Drainage Pipe Line |
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| YIN Yan-ping,LV Hong-xing,ZHANG Kuan-di. A New Method for Solving Normal Depth of Circular Drainage Pipe Line[J]. Journal of Water Resources Architectural Engineering, 2011, 9(4): 18-21 |
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| Authors: | YIN Yan-ping LV Hong-xing ZHANG Kuan-di |
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| Affiliation: | YIN Yan-ping,LV Hong-xing,ZHANG Kuan-di(College of Water Resources and Architectural Engineering,Northwest A & F University,Yangling,Shaanxi 712100,China) |
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| Abstract: | The calculation of normal water depth could be converted into a nonlinear constrained optimization problem,which could be solved by a new pattern searching algorithm.Through the application examples and comparing the simulation results with the referent results,it is shown that the new pattern searching algorithm is much more applicable,precise and simple than the traditional methods for the calculation of normal water depth.At the same time,the correctness and validity of the new method is demonstrated,whi... |
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| Keywords: | circular wetted cross section hydraulic calculation pattern searching algorithm |
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