硕士生导师
个人信息Personal Information
教师英文名称：Bo ZHANG
学历：博士研究生毕业
学位：工学博士学位
办公地点：四川省成都市高新西区西部园区西南交通大学犀浦校区
性别：男
毕业院校：华中科技大学
学科：一般力学与力学基础. 固体力学
所在单位：力学与航空航天学院
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Yuhang Duan, Bo Zhang*, Xiangyu Li, Xu Zhang, Huoming Shen. Size-Dependent Elastic Buckling of Two-Variable Refined Microplates Embedded in Elastic Medium
影响因子：3.985
DOI码：10.1142/S1758825122500399
所属单位：西南交通大学
发表刊物：International Journal of Applied Mechanics
刊物所在地：英国
关键字：Two-variable refined shear deformation theory; modified couple stress theory;size-dependent elastic buckling; microplates; differential quadrature finite element
摘要：This study applies a two-variable refined shear deformation theory (TVRSDT) and a modified couple stress theory (MCST) to develop a size-dependent elastic buckling model for microplates under combined axial compression and in-plane shear and resting on Winkler{Pasternak foundation. Our model incorporates two transverse displacement variables and one material length scale parameter (MLSP); it satisfies the zero-traction boundary conditions on the top and bottom surfaces of microplates, thereby circumventing the use of a shear correction factor. The equations of motion are determined via the Euler-Lagrange equation. A closed-form buckling solution is presented for microplates with four edges simply supported. To handle the nonsimply supported microplates, a thirty-two-degree-of-freedom (32-DOF) four-node differential quadrature (DQ) finite element with C1-continuity is proposed. The corresponding element matrices are obtained using the minimum potential energy principle. Comparison studies are conducted to exhibit the validity of the derived formulations. Finally, the present buckling model is employed for predicting the elastic buckling behaviors of microplates embedded in an elastic medium. The effects of in-plane loading patterns, boundary conditions, aspect ratio, length-to-thickness ratio, MLSP and elastic medium parameters on the buckling load and buckling mode are elucidated.
论文类型：SCI
学科门类：工学
卷号：14
期号：4
页面范围：2250039-1-37
是否译文：否
发表时间：2022-06-20
收录刊物：SCI