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COUPLED THERMO-MECHANICAL ANALYSIS OF FUNCTIONALLY GRADIENT WEAK/MICRO-DISCONTINUOUS INTERFACE WITH GRADED FINITE ELEMENT METHOD

ISSN号：0894-9166
期刊名称：《固体力学学报：英文版》
时间：0
分类：O241.82[理学—计算数学;理学—数学] TB34[一般工业技术—材料科学与工程]
作者机构：[1]Key Laboratory of Mechanics on Western Disaster and Environment, Ministry of Education, P.R. China,and Department of Mechanics and Engineering Science, College of Civil Engineering and Mechanics, Lanzhou University, Lanzhou, Gansu 730000, China, [2]State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, China, [3]School of Mechanical Engineering, Yonsei University, Seoul 120-749, Republic of Korea
相关基金：Project supported by the National Natural Science Foundation of China （Nos. 10902046, 11032006 and 11121202）, the Fundamental Research Funds for the Central Universities （lzujbky-2012-2）, the Fund of Ministry of Education of the Program of Changjiang Scholars and Innovative Research Team in University （No. IRT0628） and the Science Foundation of the Ministry of Education of China for Ph.D. program.

作者： Zhiwen Gao[1,3], Kang Yong Lee[2,3], Youhe Zhou[1]

关键词：功能梯度材料, 热机械分析, 有限元方法, 不连续, 界面, 耦合, 接口连接, 材料特性, functionally graded material, thermo-mechanical analysis, weak/micro discontin-uous, graded finite element method

中文摘要：

二的联合 thermo 机械的分析机能上地结合了受到热负担的分级的材料与分级的有限元素方法在这研究被进行。双性人材料接口的热机械的性质在接口基于他们的材料性质和他们的衍生物的断绝度被分类。数字结果显示断绝在二的接口在温度侧面和压力价值上施加显著效果结合的机能上地分级的材料。在装载条件的热流动下面，接口断绝越强壮，热流动是越多 smaller。

英文摘要：

Coupled thermo-mechanical analysis of two bonded functionally graded materials subjected to thermal loads is conducted in this study with the graded finite element method. The thermal-mechanical properties of the bi-material interfaces are classified based on discontinuity degrees of their material properties and their derivatives at the interfaces. Numerical results indicate that discontinuity exerts remarkable effect on the temperature profile and stress value at the interface of two bonded functionally-graded materials. Under the thermal flux loading conditions, the stronger the interface discontinuity is, the smaller the heat flux is.