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梁挠度计算实用系数法
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作者 王晓光 陈红 +1 位作者 高武 田崇江 《黑龙江矿业学院学报》 1996年第2期70-75,共6页
针对我国现行的《钢筋混凝土结构设计规范(GBJ 10—89)》在多种规则或不规则的长短荷载作用条件时梁的挠度公式的误差,提出了符合试验条件的长短期荷载作用下钢筋混凝土梁挠度的建议计算公式。
关键词 挠度 荷载 钢筋混凝土梁 裂缝 实用系数法
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Synthesis and optimization of utility system using parameter adaptive differential evolution algorithm
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作者 李泽秋 杜文莉 +1 位作者 赵亮 钱锋 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2015年第8期1350-1356,共7页
Synthesis and optimization of utility system usually involve grassroots design, retrofitting and operation optimization, which should be considered in modeling process. This paper presents a general method for synthes... Synthesis and optimization of utility system usually involve grassroots design, retrofitting and operation optimization, which should be considered in modeling process. This paper presents a general method for synthesis and optimization of a utility system. In this method, superstructure based mathematical model is established, in which different modeling methods are chosen based on the application. A binary code based parameter adaptive differential evolution algorithm is used to obtain the optimal con figuration and operation conditions of the system. The evolution algorithm and models are interactively used in the calculation, which ensures the feasibility of con figuration and improves computational ef ficiency. The capability and effectiveness of the proposed approach are demonstrated by three typical case studies. 展开更多
关键词 Utility system synthesis MINLP Operation optimization
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