Coupled systems mechanics

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Axisymmetric deformation of thick circular plate in microelongated thermoelastic solid

  • Rajneesh Kumar (Department of Mathematics, Kurukshetra University) ;
  • Aseem Miglani (Department of Mathematics, Ch. Devi Lal University) ;
  • Ravinder Kumar (Department of Mathematics, Ch. Devi Lal University)
  • Received : 2023.07.28
  • Accepted : 2024.03.29
  • Published : 2024.06.25
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Abstract

In the present work, a microelogated thermoelastic model based on Lord-Shulman (1967) and Green-Lindsay (1972) theories of thermoelasticity has been constructed. The governing equations for the simulated model are converted into two-dimensional case and made dimensionless for further simplification. Laplace and Hankel transforms followed by eigen value approach has been employed to solve the problem. The use of eigen value approach hasthe advantage of finding the solution of governing equationsin matrix form notations. This approach is straight forward and convenient for numerical computation and avoids the complicate nature of the problem. The components of displacement,stress and temperature distribution are obtained in the transformed domain. Numerical inversion techniques have been used to invert the resulting quantities in the physical domain. Graphical representation of the resulting quantities for describing the effect of microelongation are presented. A special case is also deduced from the present investigation. The problem find application in many engineering problems like thick-walled pressure vesselsuch as a nuclear containment vessel, a cylindricalroller etc.

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References

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