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作 者:舒诗湖[1] 周建华 何文杰[1] 赵明[1] 袁一星[1]
机构地区:[1]哈尔滨工业大学市政环境工程学院,哈尔滨150090 [2]广州市政工程设计研究院,广州510060
出 处:《哈尔滨工业大学学报》2008年第6期905-909,共5页Journal of Harbin Institute of Technology
基 金:国家十一五科技支撑计划资助项目(2006BAJ08B03);黑龙江省自然科学基金重点资助项目(ZJG0503)
摘 要:为了在保证模拟精度的前提下缩短计算时间,进行了大规模给水管网微观模型简化的研究.通过线性化管网微观模型方程,应用Gauss-Jordan法简化线性模型,研究了基于简化模型的大规模给水管网水泵优化运行决策模型的建立及求解过程.结合天津市实际管网的计算,结果表明:其计算速度大幅度提高,计算精度基本与简化前的微观模型相同,与基于微观模型的管网优化运行决策相比有明显的优势.The simplification of a large water distribution network was studied to save the calculation time as well as guarantee the precision. The linear model based on linearization of the microscopic model equation was simplified by using Gauss-Jordan method. Establishment and solution of the pump optimal scheduling model based on the simplified model were studied. Results of the optimal scheduling for the water distribution system in Tianjin showed that the calculation time was greatly saved, while the precision was basically the same when the simplified model was used instead of the microscopic model. The simplified model for the optimal scheduling had remarkable advantages compared with the original microscopic model.
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