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Forced vibration analysis of cracked functionally graded microbeams

  • Akbas, Seref D. (Department of Civil Engineering, Bursa Technical University, Yildirim Campus)
  • Received : 2017.12.11
  • Accepted : 2018.04.03
  • Published : 2018.03.25

Abstract

Forced vibration analysis of a cracked functionally graded microbeam is investigated by using modified couple stress theory with damping effect. Mechanical properties of the functionally graded beam change vary along the thickness direction. The crack is modelled with a rotational spring. The Kelvin-Voigt model is considered in the damping effect. In solution of the dynamic problem, finite element method is used within Timoshenko beam theory in the time domain. Influences of the geometry and material parameters on forced vibration responses of cracked functionally graded microbeams are presented.

Keywords

References

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  10. Vibration of multilayered functionally graded deep beams under thermal load vol.24, pp.6, 2018, https://doi.org/10.12989/gae.2021.24.6.545
  11. Identification and evaluation of cracks in electrostatically actuated resonant gas sensors using Harris Hawk / Nelder Mead and perturbation methods vol.28, pp.1, 2018, https://doi.org/10.12989/sss.2021.28.1.121
  12. Free vibration analysis of carbon nanotube RC nanobeams with variational approaches vol.11, pp.2, 2021, https://doi.org/10.12989/anr.2021.11.2.157
  13. Propagation of waves with nonlocal effects for vibration response of armchair double-walled CNTs vol.11, pp.2, 2018, https://doi.org/10.12989/anr.2021.11.2.183
  14. An investigation of mechanical properties of kidney tissues by using mechanical bidomain model vol.11, pp.2, 2018, https://doi.org/10.12989/anr.2021.11.2.193