变厚度夹层环板弯曲问题的非线性分析  

Nonlinear analysis of bending problem of annular sandwich plates with variable thickness

作　　者：杨静宁[1] 李洛[1] 甘文艳[1] 邱平[1] 

机构地区：[1]兰州理工大学理学院,甘肃兰州730050

出　　处：《兰州理工大学学报》2010年第3期169-171,共3页Journal of Lanzhou University of Technology

基　　金：甘肃省自然科学基金(0710RJZA058)

摘　　要：研究具有变厚度的夹层环形板大挠度问题.采用打靶法和解析延拓法求得具有双曲型变厚度夹层环形板在外边缘为夹紧固定,内边缘自由情况下非线性弯曲问题的数值解,讨论几何参数和物理参数对夹层环形板弯曲问题的影响,给出特征关系曲线,结果可供工程设计时参考使用.The large deflection of variable-thickness annular sandwich plate was investigated.Shooting method and analytical continuation method were used to find the numeric solution of nonlinear bending of the variable-thickness annular sandwich plate with claming fix around its outer edge and without fixing for inner edge.In addition,the influence of physical and geometrical parameters on the bending of the annular sandwich plate.Finally,the characteristic functional curve was given providing a reference for engineering design.

关 键 词：变厚度夹层环形板 非线性 打靶法 数值解 

分 类 号：O343[理学—固体力学]