Structural Engineering and Mechanics

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Asymmetric transient thermal stress of a functionally graded hollow cylinder with piecewise power law

  • Ootao, Yoshihiro (Department of Mechanical Engineering, Graduate School of Engineering, Osaka Prefecture University) ;
  • Ishihara, Masayuki (Department of Mechanical Engineering, Graduate School of Engineering, Osaka Prefecture University)
  • Received : 2012.08.12
  • Accepted : 2013.08.07
  • Published : 2013.08.10
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Abstract

This paper is concerned with the theoretical treatment of transient thermoelastic problems involving a functionally graded hollow cylinder with piecewise power law due to asymmetrical heating from its surfaces. The thermal and thermoelastic constants of each layer are expressed as power functions of the radial coordinate, and their values continue on the interfaces. The exact solution for the two-dimensional temperature change in a transient state, and thermoelastic response of a hollow cylinder under the state of plane strain is obtained herein. Some numerical results for the temperature change and the stress distributions are shown in figures. Furthermore, the influence of the functional grading on the thermal stresses is investigated.

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References

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