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Acta Mechanica Solida Sinica

, Volume 25, Issue 4, pp 331–341 | Cite as

Coupled Thermo-Mechanical Analysis of Functionally Gradient Weak/Micro-Discontinuous Interface with Graded Finite Element Method

  • Zhiwen Gao
  • Kang Yong Lee
  • Youhe Zhou
Article

Abstract

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.

Key words

functionally graded material thermo-mechanical analysis weak/micro discontinuous graded finite element method 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2012

Authors and Affiliations

  1. 1.Key Laboratory of Mechanics on Western Disaster and EnvironmentMinistry of EducationLanzhouP.R. China
  2. 2.Department of Mechanics and Engineering Science, College of Civil Engineering and MechanicsLanzhou UniversityLanzhou, GansuChina
  3. 3.State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering MechanicsDalian University of TechnologyDalianChina
  4. 4.School of Mechanical EngineeringYonsei UniversitySeoulRepublic of Korea

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