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A comparison of failure prediction methods for an adhesively bonded composite beam

Author
Organization
Abstract
In this paper, three different techniques are proposed to predict the failure load in two adhesively bonded composite I-beams. These methods are analytical solutions, finite element analyses (FEAs) and hybrid methods (combination of FEA and closed-form solutions). The two I-beams were tested in the three-point bending and four-point bending configurations. In the analytical solutions, simple stress analysis and fracture mechanics, based on beam theory, are used. Failure in the adhesive layer as well as failure in the skin or spar caps is considered. In the finite element (FE) approach a submodelling technique is adopted, in which a coarse model and a submodel are required. A circular flaw of 6 mm radius is initiated in the adhesive layer and the strain energy release rates are extracted from the FEA results using a modified crack closure technique. In the hybrid method, a global FE model is constructed and the stresses are calculated; then an analytical solution for a circular crack is applied. Comparison between the three techniques is presented.
Keywords
adhesively bonded composite beam, failure prediction, analytical solutions, finite element analyses, hybrid methods, JOINTS, FATIGUE, ENVIRONMENT, MECHANICS

Citation

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MLA
Abdel Wahab, Magd, et al. “A Comparison of Failure Prediction Methods for an Adhesively Bonded Composite Beam.” JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, vol. 39, no. 2, 2004, pp. 173–85, doi:10.1243/030932404773123903.
APA
Abdel Wahab, M., Ashcroft, I., & Crocombe, A. (2004). A comparison of failure prediction methods for an adhesively bonded composite beam. JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, 39(2), 173–185. https://doi.org/10.1243/030932404773123903
Chicago author-date
Abdel Wahab, Magd, IA Ashcroft, and AD Crocombe. 2004. “A Comparison of Failure Prediction Methods for an Adhesively Bonded Composite Beam.” JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN 39 (2): 173–85. https://doi.org/10.1243/030932404773123903.
Chicago author-date (all authors)
Abdel Wahab, Magd, IA Ashcroft, and AD Crocombe. 2004. “A Comparison of Failure Prediction Methods for an Adhesively Bonded Composite Beam.” JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN 39 (2): 173–185. doi:10.1243/030932404773123903.
Vancouver
1.
Abdel Wahab M, Ashcroft I, Crocombe A. A comparison of failure prediction methods for an adhesively bonded composite beam. JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN. 2004;39(2):173–85.
IEEE
[1]
M. Abdel Wahab, I. Ashcroft, and A. Crocombe, “A comparison of failure prediction methods for an adhesively bonded composite beam,” JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, vol. 39, no. 2, pp. 173–185, 2004.
@article{784682,
  abstract     = {{In this paper, three different techniques are proposed to predict the failure load in two adhesively bonded composite I-beams. These methods are analytical solutions, finite element analyses (FEAs) and hybrid methods (combination of FEA and closed-form solutions). The two I-beams were tested in the three-point bending and four-point bending configurations. In the analytical solutions, simple stress analysis and fracture mechanics, based on beam theory, are used. Failure in the adhesive layer as well as failure in the skin or spar caps is considered. In the finite element (FE) approach a submodelling technique is adopted, in which a coarse model and a submodel are required. A circular flaw of 6 mm radius is initiated in the adhesive layer and the strain energy release rates are extracted from the FEA results using a modified crack closure technique. In the hybrid method, a global FE model is constructed and the stresses are calculated; then an analytical solution for a circular crack is applied. Comparison between the three techniques is presented.}},
  author       = {{Abdel Wahab, Magd and Ashcroft, IA and Crocombe, AD}},
  issn         = {{0309-3247}},
  journal      = {{JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN}},
  keywords     = {{adhesively bonded composite beam,failure prediction,analytical solutions,finite element analyses,hybrid methods,JOINTS,FATIGUE,ENVIRONMENT,MECHANICS}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{173--185}},
  title        = {{A comparison of failure prediction methods for an adhesively bonded composite beam}},
  url          = {{http://doi.org/10.1243/030932404773123903}},
  volume       = {{39}},
  year         = {{2004}},
}

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