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Advances in Nano Research
  Volume 6, Number 1, March 2018, pages 39-55
DOI: http://dx.doi.org/10.12989/anr.2018.6.1.039
 


Forced vibration analysis of cracked functionally graded microbeams
Seref D. Akbas

 
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.
 
Key Words
    functionally graded materials; microbeam; modified couple stress theory; forced vibration analysis; crack
 
Address
Department of Civil Engineering, Bursa Technical University, Yıldırım Campus, Yıldırım, Bursa 16330, Turkey.
 

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