MATLAB优化工具箱在水工结构优化设计中的应用  

Application of MATLAB optimization toolbox in hydraulic structure optimization design

作　　者：李二霞[1] LI Erxia(Shijiazhuang Water Conservancy and Hydropower Agency,Shijiazhuang 050031,China)

机构地区：[1]石家庄市水利水电工程处,石家庄050031

出　　处：《南水北调与水利科技》2018年第S01期110-113,共4页South-to-North Water Transfers and Water Science & Technology

摘　　要：主要介绍了水利工程中水工结构的优化设计以及如何运用MATLAB优化工具箱中遗传算法对水工结构进行结构优化设计。为保证水利工程的安全稳定以及经济效益,水利工程中各水工结构变得日趋复杂,约束条件更为繁多,如果仍用传统的结构优化方法,其过程更加繁琐,耗费时间更长,对设计人员整体素质要求更高,并且最终所得优化方案不甚理想,经济收益甚微,工程安全不能很好地得到保障。而与传统优化方法相比,运用MATLAB优化工具箱进行结构设计优化,可以很好的弥补以上缺点,得到的结果较为精准可靠,而且非常显著的缩短了优化设计时间。所以将MATLAB优化工具箱运用在水利工程中,能够更好地进行水工结构优化设计,得到的优化设计方案也更加有保障。对现阶段水工结构设计具有非常重要的意义。MATLAB is a powerful and scientific tool in modern computing areas and widely used in engineering design fields.The basic structural optimization principles and MATLAB toolbox are briefly introduced.Then the main constraints in structural optimization design are analyzed,and a flow chart for solving optimization questions is proposed as well.Firstly,it analyzes the force in structure,and sets objective function and constraints.Then,the program of optimization design is given.One truss optimization design is performed,and the design shows that the method has high precise results and can shorten the calculating time.Thus,the method has wider potential applications in the structural engineering fields.

关 键 词：结构工程 水工结构优化设计 MATLAB优化工具箱 遗传算法 

分 类 号：TU311[建筑科学—结构工程]