Thermo-elastic analysis of a functionally graded rotating hollow circular disk with variable thickness and angular speed

被引：63
|
作者：
Dai, Ting [1 ,2 ,3 ,4 ]
Dai, Hong-Liang [1 ,2 ,3 ,4 ]
机构：
[1] Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China
[2] Hunan Univ, Minist Educ, Key Lab Adv Design & Simulat Technol Special Equi, Changsha 410082, Hunan, Peoples R China
[3] Tsinghua Univ, Grad Sch Shenzhen, Joint Res Ctr Urban Resource Recycling Technol, Shenzhen 518055, Peoples R China
[4] Shenzhen Green Ecomanufacturer High Tech, Shenzhen 518055, Peoples R China
来源：
APPLIED MATHEMATICAL MODELLING | 2016年 / 40卷 / 17-18期
基金：
中国国家自然科学基金;
关键词：
Rotating circular disk; FGM; Thermal elasticity; Temperature-dependent properties; Variable thickness; STRESS-DISTRIBUTION; SOLID DISKS; PLATES; DEFORMATION;
D O I：
10.1016/j.apm.2016.03.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the displacement and stress fields in a functionally graded material (FGM) hollow circular disk, rotating with an angular acceleration under a changing temperature field, are achieved by using a semi-analytical approach. The material properties are assumed to vary along the radial coordinate and related to the volume fraction of each material. The modulus of elasticity and the coefficient of thermal expansion are supposed to be temperature-dependent, while the Poisson's ratio is assumed to be constant. In numerical examples, effects of the functionally graded index, the geometric shape, the angular speed and the temperature boundary conditions to the displacement and stresses are considered. The results of this study may be useful for other investigations of rotating FGM circular disks with variable thickness. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码：7689 / 7707
页数：19
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