Nonlinear dynamic response of functionally graded materials circular plates subject to low-velocity impact

被引：14
|
作者：
Dai, Hong-Liang [1 ,2 ]
Guo, Zhi-Yang [1 ]
Yang, Lei [1 ]
机构：
[1] Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China
[2] Hunan Univ, Coll Mech & Vehicle Engn, Dept Engn Mech, Changsha 410082, Hunan, Peoples R China
来源：
JOURNAL OF COMPOSITE MATERIALS | 2013年 / 47卷 / 22期
基金：
中国国家自然科学基金;
关键词：
Nonlinear dynamic response; functionally graded materials circular plate; low-velocity impact; ELASTIC PROPERTIES; DAMAGE; INDENTATION; PREDICTION; GRADIENTS; BEHAVIOR; SOLIDS; PANELS; SHELL; FORCE;
D O I：
10.1177/0021998312458132
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Based on the theory of the first-order shear deformation, a new set of equilibrium equations is developed by the principle of Hamilton. Using the Giannakopoulos' contact model, the expressions of the contact force and the central deflection for a functionally graded materials circular plate are obtained. By using the orthotropic collocation point method and Newmark method, the unknown variable functions are discreted in space domain and time domain, and the whole problem is solved by the iterative method synthetically. Numerical results show that the material compositions, geometrical parameters and the initial velocity of the striking ball have great effects on the nonlinear dynamic response of the functionally graded materials circular plate.
引用
收藏
页码：2797 / 2807
页数：11
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