Steel and Composite Structures

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Crack identification in Timoshenko beam under moving mass using RELM

  • Kourehli, Seyed Sina (Department of Civil Engineering, Ahar Branch, Islamic Azad University) ;
  • Ghadimi, Siamak (Department of Civil Engineering, Ahar Branch, Islamic Azad University) ;
  • Ghadimi, Reza (Department of Civil Engineering, Ahar Branch, Islamic Azad University)
  • Received : 2017.07.03
  • Accepted : 2018.06.03
  • Published : 2018.08.10
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Abstract

In this paper, a new method has been proposed to detect crack in beam structures under moving mass using regularized extreme learning machine. For this purpose, frequencies of beam under moving mass used as input to train machine. This data is acquired by the analysis of cracked structure applying the finite element method (FEM). Also, a validation study used for verification of the FEM. To evaluate performance of the presented method, a fixed simply supported beam and two span continuous beam are considered containing single or multi cracks. The obtained results indicated that this method can provide a reliable tool to accurately identify cracks in beam structures under moving mass.

Keywords

References

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