Geomechanics and Engineering

  • 제38권4호
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  • Pages.409-420
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  • 2024
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  • 2005-307X(pISSN)
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  • 2092-6219(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Analysis of the hygro-thermo-mechanical response of functionally graded plates resting on elastic foundations based on various micromechanical models

  • Belkacem Adim (Department of Sciences and technology, Tissemsilt University) ;
  • Tahar Hassaine Daouadji (Geomatics and Sustainable Development Laboratory, Ibn Khaldoun University)
  • 투고 : 2024.05.06
  • 심사 : 2024.08.13
  • 발행 : 2024.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this research the hygro-thermo-mechanical loading and micromechanical model effects on bending behavior of functionally graded material plates resting on Winkler and Pasternak elastic foundations, the higher order shear deformation theory is used here. The material properties of the plate: young's modulus, thermal coefficient and moisture expansion coefficient are assumed to be graded in the thickness direction according to various micromechanical models starting with the Voigt's model which is commonly used in most functionally graded plates studies to the Reuss's, LRVE's and Mori-Tanaka's models. The principle of virtual displacement is used to determine the equilibrium equations and the a several numerical results are given to validate the precision of the present method for bending behavior of FGM plates subjected to hygro-thermo-mechanical loading resting on elastic foundations. Afterwards, a parametric study is conducted to determine the effect of different parameters on the deflection of the FGM plates like micromechanical models, type of loading and plate geometry. In the lights of the present research, it can be concluded that the present theory is accurate and simple in predicting the deflection behavior of functionally graded plates under hygro-thermo-mechanical effects and micromechanical models.

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참고문헌

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