期刊
COMPOSITES PART B-ENGINEERING
卷 122, 期 -, 页码 121-135出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2017.04.016
关键词
Functionally graded material; Non-symmetric thin-walled section; Sandwich beam; Exact stiffness matrix
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2015R1A2A1A01007535]
- National Research Foundation of Korea [2015R1A2A1A01007535] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
In this study, the exact solutions for coupled responses of thin-walled FG (functionally graded) sandwich beams with non-symmetric cross-sections are derived. Material properties of beam are assumed to be graded through the wall thickness of flanges and web. Three types of material distributions are considered. The Euler-Bernoulli beam theory and the Vlasov one are employed for bending and torsional problems, respectively. The explicit expressions for displacement parameters are derived from equilibrium equations based on the displacement state vector consisting of 14 displacement parameters. The exact member stiffness matrix is determined using the force-displacement relations. As a special case, the analytical solutions for decoupled flexural response of FG sandwich beams with various boundary conditions are presented. To demonstrate the accuracy and validity of this study, numerical solutions are presented and compared with results from the finite element method and other available results. (C) 2017 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据