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Acta Mechanica Solida Sinica

, Volume 24, Issue 2, pp 135–143 | Cite as

Guided thermoelastic wave propagation in layered plates without energy dissipation

  • Jiangong Yu
  • Bin Wu
  • Cunfu He
Article

Abstract

In this paper, the propagation of guided thermoelastic waves in laminated orthotropic plates subjected to stress-free, isothermal boundary conditions is investigated in the context of the Green-Naghdi (GN) generalized thermoelastic theory (without energy dissipation). The coupled wave equations and heat conduction equation are solved by the Legendre orthogonal polynomial series expansion approach. The validity of the method is confirmed through a comparison. The dispersion curves of thermal modes and elastic modes are illustrated simultaneously. Dispersion curves of the corresponding pure elastic plate are also shown to analyze the influence of the thermoelasticity on elastic modes. The displacement and temperature distributions are shown to discuss the differences between the elastic modes and thermal modes.

Key words

guided thermoelastic waves without energy dissipation layered plates orthotropic materials Legendre polynomial dispersion curves 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2011

Authors and Affiliations

  1. 1.School of Mechanical and Power EngineeringHenan Polytechnic UniversityJiaozuoChina
  2. 2.College of Mechanical Engineering and Applied Electronic TechnologyBeijing University of TechnologyBeijingChina

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