Crack detection in a beam on elastic foundation using differential quadrature method and the bees algorithm optimization

R. Khademi Zahedi, P. Alimouri, Hung Nguyen-Xuan, Timon Rabczuk

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

In the present contribution, a practical and non-destructive method for the identification of a single crack in a beam resting on elastic foundation is presented. The beam is modelled by differential quadrature method, and the location and depth of crack are predicted by bees algorithm. The crack is assumed to be open and is simulated by torsional spring which divides all parts through cracked beam into two segments. Then, the differential quadrature method is applied to the governing differential equation of motion of each segment and the corresponding boundary and continuity conditions. An eigenvalue analysis is performed on the resulting system of algebraic equations to obtain the natural frequencies of the cracked beam on elastic foundation. Then, the location and depth of cracks are determined by bees algorithm optimization technique. The formulation of thin-walled beams theory is used for the crack detection in this research. To insure the integrity and robustness of the presented algorithm, the finite element analysis is performed on the set of cantilever beams, with different crack lengths and locations. The results show that the presented algorithm predicts location and depth of crack well and can be effectively employed for crack detection in other structures.

Original languageEnglish
Title of host publicationLecture Notes in Mechanical Engineering
PublisherPleiades Publishing
Pages439-460
Number of pages22
DOIs
Publication statusPublished - 2018 Jan 1
Externally publishedYes

Publication series

NameLecture Notes in Mechanical Engineering
VolumePartF3
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Fingerprint

Crack detection
Cracks
Cantilever beams
Equations of motion
Natural frequencies
Differential equations
Finite element method

Keywords

  • Bees algorithm
  • Crack detection
  • Differential quadrature method
  • Vibration analysis

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

Cite this

Khademi Zahedi, R., Alimouri, P., Nguyen-Xuan, H., & Rabczuk, T. (2018). Crack detection in a beam on elastic foundation using differential quadrature method and the bees algorithm optimization. In Lecture Notes in Mechanical Engineering (pp. 439-460). (Lecture Notes in Mechanical Engineering; Vol. PartF3). Pleiades Publishing. https://doi.org/10.1007/978-981-10-7149-2_30

Crack detection in a beam on elastic foundation using differential quadrature method and the bees algorithm optimization. / Khademi Zahedi, R.; Alimouri, P.; Nguyen-Xuan, Hung; Rabczuk, Timon.

Lecture Notes in Mechanical Engineering. Pleiades Publishing, 2018. p. 439-460 (Lecture Notes in Mechanical Engineering; Vol. PartF3).

Research output: Chapter in Book/Report/Conference proceedingChapter

Khademi Zahedi, R, Alimouri, P, Nguyen-Xuan, H & Rabczuk, T 2018, Crack detection in a beam on elastic foundation using differential quadrature method and the bees algorithm optimization. in Lecture Notes in Mechanical Engineering. Lecture Notes in Mechanical Engineering, vol. PartF3, Pleiades Publishing, pp. 439-460. https://doi.org/10.1007/978-981-10-7149-2_30
Khademi Zahedi R, Alimouri P, Nguyen-Xuan H, Rabczuk T. Crack detection in a beam on elastic foundation using differential quadrature method and the bees algorithm optimization. In Lecture Notes in Mechanical Engineering. Pleiades Publishing. 2018. p. 439-460. (Lecture Notes in Mechanical Engineering). https://doi.org/10.1007/978-981-10-7149-2_30
Khademi Zahedi, R. ; Alimouri, P. ; Nguyen-Xuan, Hung ; Rabczuk, Timon. / Crack detection in a beam on elastic foundation using differential quadrature method and the bees algorithm optimization. Lecture Notes in Mechanical Engineering. Pleiades Publishing, 2018. pp. 439-460 (Lecture Notes in Mechanical Engineering).
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