Finite element study on thermal buckling of functionally graded piezoelectric beams considering inverse effects

• Autorzy: Nasirzadeh R. , Behjat B. , Kharazi M.

Identyfikatory

DOI

10.15632/jtam-pl.56.4.1097

• Języki publikacji: EN

Abstrakty

EN

In this article, the buckling behavior and bifurcation point of Functionally Graded Piezoelectric (FGP) beams are investigated based on Euler-Bernoulli beam theory. The finite element method is employed to model the beam in thermal environment. The material properties of the beam are considered to vary gradually in the thickness direction and the beam is subjected to electrical and thermal loading. In this paper, direct and inverse piezoelectric effects are considered and buckling of the beam in the sensor state is investigated. By solving the eigenvalue problem, the buckling load of the FGP beam is obtained and the effect of various parameters such as power law index, temperature, applied voltage and beam aspect ratio on the buckling load are investigated. The results show that the boundary conditions are the main factor that affects the buckling load of the FGP beam.

Słowa kluczowe

EN

FGPM beam; buckling load; inverse piezoelectric effect; thermal environment

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2018
• Tom: Vol. 56 nr 4
• Strony: 1097--1108
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Nasirzadeh R.

• Mechanical Engineering Faculty, Sahand University of Technology, Tabriz, Iran

autor

Behjat B.

• Mechanical Engineering Faculty, Sahand University of Technology, Tabriz, Iran

autor

Kharazi M.

• Mechanical Engineering Faculty, Sahand University of Technology, Tabriz, Iran

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).