纵横弯曲杆件临界荷载的一种优化算法  

An Optimization Algorithm for Critical Load of Vertical and Horizontal Bending Members

作　　者：尤超 沈晨姝 梁冠军[1] 余龙[1] YOU Chao;SHEN Chenshu;LIANG Guanjun;YU Long(College of Architectural Engineering,Chuzhou Polytechnic,Chuzhou 239000,China;College of Civil Engineering,Tongji University,Shanghai 200092,China;China Energy Engineering Group Anhui Electric Power Design Institute Co.,Ltd.,Hefei 230009,China)

机构地区：[1]滁州职业技术学院建筑工程学院,安徽滁州239000 [2]同济大学土木工程学院,上海200092 [3]中国能源建设集团安徽省电力设计院有限公司,安徽合肥230009

出　　处：《滨州学院学报》2023年第4期82-86,91,共6页Journal of Binzhou University

基　　金：安徽省教育厅高校自然科学重点项目(2022AH052650);滁州职业技术学院优秀骨干教师项目(YG2019016);安徽省职业与成人教育协会一般项目(Azcj2021177);安徽省教育厅高校自然科学重点项目(KJ2020A0994);安徽省教育厅高校优秀拔尖人才培育项目(gxgnfx2022156)。

摘　　要：基于微分方程初值问题的求解原理,采用临界荷载优化算法,研究了纵横弯曲杆件在静力平衡状态下的内力计算,并计算在不同荷载作用下纵横弯曲杆件变形和转角。将计算结果与有限元程序软件计算结果进行比较,验证了本文优化算法的正确性和有效性。Based on the principle of solving the initial value problem of differential equations,the internal force calculation of the vertical and horizontal bending members under static equilibrium state is studied by using the optimization algorithm,and the deformation and rotation angle of the vertical and horizontal bending members under different loads are calculated.The correctness and effectiveness of the optimization algorithm have been verified through case analysis and comparison with the calculation results of finite element program software in this paper.

关 键 词：微分方程 优化算法 平衡状态 荷载作用 

分 类 号：O342[理学—固体力学]