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离散变量优化方法及在地下墙围护设计中的应用
引用本文:袁勇,田毅.离散变量优化方法及在地下墙围护设计中的应用[J].同济大学学报(自然科学版),1996,24(4):369-373.
作者姓名:袁勇  田毅
作者单位:同济大学建筑工程系,昆明工学院建筑工程系
基金项目:上海市科委科技攻关资助
摘    要:以离散变量搜索型方法的复合形法为基础,利用内点罚函数的基本思想构造有效目标函数,放松常规复合形法对顶点必须在可行域内的严格限制,相应地,适当加快映射步长的缩小速率以提高求解效率,用该方法结合平面弹性有限元法对地下连续墙围护结构进行优化分析,取得了较好的效果。

关 键 词:地下连续墙  围护  离散变量  优化设计

Optimal Design of Diaphragm with Discrete Variable Method
Yuan Yong.Optimal Design of Diaphragm with Discrete Variable Method[J].Journal of Tongji University(Natural Science),1996,24(4):369-373.
Authors:Yuan Yong
Abstract:Based on discrete variable complex mehtod, a punishment function is introduced to construct an effective object function such that the feasible region can be relaxed. Simultaneously, in order to improve the solution of iteration, an approach to accelerate the shrinking speed of projective step in forming new complex is considered. The method mentioned above is used in deep foundation pit cnclosure with diaphragm, and the excavation procedures of foundation pit is simulated by means of FEM method.
Keywords:Discrete variable optimum  Effective objective function  Algorithm of combined-complex  Foundation pit  Diaphragm  
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