滞后型结构缺陷对临界载荷的影响(英文)  

Influence of Imperfections upon the Critical Loads of Hysteresis Structures

作　　者：丛玉豪[1] 王世弟[1] 

机构地区：[1]上海师范大学数理信息学院,上海200234

出　　处：《上海师范大学学报（自然科学版）》2003年第2期8-11,共4页Journal of Shanghai Normal University(Natural Sciences)

基　　金：Supported by the national natural science Foundation(10171067);Science Foundation of Shanghai(00JC14057)

摘　　要：讨论了滞后型结构临界载荷受缺陷影响的变化规律,利用普适开折理论,给出了临界载荷随缺陷变化的下界估计公式,并给出了具体的数值计算公式。By means of the theory of universal unfolding,the influence of multi-imperfections upon the critical loads of structures in engineering is analyzed.For the hysteresis problem the estimation formula of lower bound on the increments of the critical loads that are caused by imperfections of the structures is given.

关 键 词：缺陷 临界载荷 下界估计量 普适开折 

分 类 号：O343[理学—固体力学]