Coupled systems mechanics

  • 제6권3호
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  • Pages.351-367
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  • 2017
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  • 2234-2184(pISSN)
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  • 2234-2192(eISSN)
테크노프레스 (Techno-Press)
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DOI QR Code

Multiphysics response of magneto-electro-elastic beams in thermo-mechanical environment

  • Vinyas, M. (Department of Mechanical Engineering, National Institute of Technology Karnataka) ;
  • Kattimani, S.C. (Department of Mechanical Engineering, National Institute of Technology Karnataka)
  • 투고 : 2016.12.04
  • 심사 : 2017.05.13
  • 발행 : 2017.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

In this article, the multiphysics response of magneto-electro-elastic (MEE) cantilever beam subjected to thermo-mechanical loading is analysed. The equilibrium equations of the system are obtained with the aid of the principle of total potential energy. The constitutive equations of a MEE material accounting the thermal fields are used for analysis. The corresponding finite element (FE) formulation is derived and model of the beam is generated using an eight noded 3D brick element. The 3D FE formulation developed enables the representation of governing equations in all three axes, achieving accurate results. Also, geometric, constitutive and loading assumptions required to dimensionality reduction can be avoided. Numerical evaluation is performed on the basis of the derived formulation and the influence of various mechanical loading profiles and volume fractions on the direct quantities and stresses is evaluated. In addition, an attempt has been made to compare the individual effect of thermal and mechanical loading with the combined effect. It is believed that the numerical results obtained helps in accurate design and development of sensors and actuators.

키워드

참고문헌

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피인용 문헌

  1. Thermal response analysis of multi-layered magneto-electro-thermo-elastic plates using higher order shear deformation theory vol.73, pp.6, 2017, https://doi.org/10.12989/sem.2020.73.6.667