基于地震易损性的框架结构的优化方法

Vulnerability-based optimization for earthquake-resistant frame structures

给出了一种框架结构地震易损性优化的准则算法．根据优化准则构造了一种修改设计变量的格式，提出了设计方案可行性调整的方法并推导了计算公式，给出了优化算法的计算步骤，并通过一个算例阐述了这种算法的应用。

An approach to vulnerability-based optimization is proposed for earthquake- resistantframe structures by utilizing the constrained optimality criteria in this paper. First of all, aniterative forlnulation is deduced for the improvement of design variab1es in accordance withKuhn -Tuker condltions, then a method which is able to change the candidate fOr the con-straint boundafy by algebraic operation is suggested, and the formal steps of the algorithmused in this paper are provided. Finally, an example is given for numerical illustration.