Four-variable Quasi-3D model for nonlinear thermal vibration of FG plates lying on Winkler-Pasternak-Kerr foundation

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Document Type : Article

Authors

1 - Material and Hydrology Laboratory, Faculty of Technology, Civil Engineering Department, University of Sidi Bel Abbes, Algeria. - Civil Engineering Department, Faculty of Science &Technology, Abbes Laghrour University, Khenchela, Algeria

2 - Material and Hydrology Laboratory, Faculty of Technology, Civil Engineering Department, University of Sidi Bel Abbes, Algeria - Departement des Sciences et de la Technologie, Universite de Tissemsilt, BP 38004 Ben Hamouda, Algerie.

3 Material and Hydrology Laboratory, Faculty of Technology, Civil Engineering Department, University of Sidi Bel Abbes, Algeria

4 - Material and Hydrology Laboratory, Faculty of Technology, Civil Engineering Department, University of Sidi Bel Abbes, Algeria. - Yonsei Frontier Lab, Yonsei University, Seoul, Korea. - Department of Civil and Environmental Engineering, King Fahd University of Petroleum and Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia. - Interdisciplinary Research Center for Construction and Building Materials, KFUPM, Dhahran, Saudi Arabia.

5 Department of Mathematics, Govt. College University Faisalabad, 38000, Faisalabad, Pakistan

Abstract

This paper presents the nonlinear thermodynamic results of functionally graded plates lying on Winkler/Pasternak and Kerr foundation through an analytical formulation. The field displacement is defined by only four unknowns, including an indeterminate integral and a new shape function representing the transverse shear stresses. Material properties of the FG plates are temperature-dependent and graded according to a simple power-law distribution. Also, the thermodynamic equations of motion are deduced based on Hamilton’s principle. The exactitude of the present theory results is verified with those obtained by various researchers. The effects of temperature-dependence material properties, power-law index, nonlinear temperature rising, elastic foundation parameters, aspect, and slenderness ratio are discussed. The results show that the increase in elastic foundation parameters would enhance the thermodynamic response of the FG plates. Nevertheless, the degree of improvement would be related to the nonlinear temperature change. Moreover, the plate’s configuration effect is more significant when the nonlinear temperature difference is high.

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Scientia Iranica

Articles in Press, Accepted Manuscript
Available Online from 10 March 2024

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History

  • Receive Date: 28 April 2022
  • Revise Date: 31 January 2023
  • Accept Date: 10 March 2024

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