基于蚜虫算法的预制装配式混凝土框架结构可靠性分析

Precast structure connection node reliability analysis based on cyclical parthenogenesis algorithm

预制装配式建筑的发展是我国建筑业"十三五"期间重要战略之一,而框架结构则是其应用较多的结构体系。基于此,运用系统可靠度理论指导并借助高效率的寻优算法对预制装配式混凝土框架结构进行优化具有重要的理论与现实意义。以预制装配式混凝土框架结构为研究对象,并以系统可靠度为约束条件,利用近年来新提出的一种智能优化算法—蚜虫算法对其进行建模求解,将求解结果与结构可靠度经典算法蒙特卡罗抽样方法进行对比,表明了此方法求解效率与精度更高。

The recently proposed cyclical parthenogenesis algorithm is a new type of intelligent optimization algorithm. In order to evaluate the performance of its algorithm,cyclical parthenogenesis algorithm was employed to solve the TSP problem and then was compared with other algorithms. Based on the optimization problem and the characteristics of discrete variables,the cyclical parthenogenesis algorithm can make the exploration of the algorithm and development capabilities well balanced. The problems of Eil51,Berlin52,Pcb442 and pcb1173 in the TSPLIB database was used as experimental examples,and the cyclical parthenogenesis algorithm was compared with other typical algorithms. The simulation results show that the cyclical parthenogenesis algorithm has a comparative advantage in the accuracy,stability and the number of iterations required in solving the practical problems.