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This paper focuses on the numerical energy absorption behaviour of pultruded circular and square cross sectional glass-polyester composite tubes under an axial impact loading case. In order to capture the typical failure modes such as delaminations, lamina bending, axial cracks and fibre fracturing, a new innovative approach was used using multiple shell elements, cohesive elements and pre-defined seams. To predict the correct peak crush load and the corresponding energy absorption, the importance of the numerical modelling of multiple delaminations and triggering are discussed. Two types of triggering were chosen for the study. Finally, the results of this numerical investigation are compared with experimental data. The commercially available finite element code ABAQUS V6.7-3 Explicit was used for this study.

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MLA
Palanivelu, Sivakumar et al. “Numerical Axial Impact Study of Pultruded Circular and Square Composite Tubes.” DYMAT 2009: 9TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING, VOL 1/2. Les Ulis, France: EDP Sciences, 2009. 771–777. Print.
APA
Palanivelu, S., Van Paepegem, W., Degrieck, J., Kakogiannis, D., Van Ackeren, J., Van Hemelrijck, D., Wastiels, J., et al. (2009). Numerical axial impact study of pultruded circular and square composite tubes. DYMAT 2009: 9TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING, VOL 1/2 (pp. 771–777). Presented at the 9th International Conference on Mechanical and Physical Behaviour of Materials under Dynamic Loading (Dymat 2009), Les Ulis, France: EDP Sciences.
Chicago author-date
Palanivelu, Sivakumar, Wim Van Paepegem, Joris Degrieck, Dimitrios Kakogiannis, Johan Van Ackeren, Danny Van Hemelrijck, Jan Wastiels, Kathleen De Wolf, and John Vantomme. 2009. “Numerical Axial Impact Study of Pultruded Circular and Square Composite Tubes.” In DYMAT 2009: 9TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING, VOL 1/2, 771–777. Les Ulis, France: EDP Sciences.
Chicago author-date (all authors)
Palanivelu, Sivakumar, Wim Van Paepegem, Joris Degrieck, Dimitrios Kakogiannis, Johan Van Ackeren, Danny Van Hemelrijck, Jan Wastiels, Kathleen De Wolf, and John Vantomme. 2009. “Numerical Axial Impact Study of Pultruded Circular and Square Composite Tubes.” In DYMAT 2009: 9TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING, VOL 1/2, 771–777. Les Ulis, France: EDP Sciences.
Vancouver
1.
Palanivelu S, Van Paepegem W, Degrieck J, Kakogiannis D, Van Ackeren J, Van Hemelrijck D, et al. Numerical axial impact study of pultruded circular and square composite tubes. DYMAT 2009: 9TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING, VOL 1/2. Les Ulis, France: EDP Sciences; 2009. p. 771–7.
IEEE
[1]
S. Palanivelu et al., “Numerical axial impact study of pultruded circular and square composite tubes,” in DYMAT 2009: 9TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING, VOL 1/2, Brussels, Belgium, 2009, pp. 771–777.
@inproceedings{837882,
  abstract     = {This paper focuses on the numerical energy absorption behaviour of pultruded circular and square cross sectional glass-polyester composite tubes under an axial impact loading case. In order to capture the typical failure modes such as delaminations, lamina bending, axial cracks and fibre fracturing, a new innovative approach was used using multiple shell elements, cohesive elements and pre-defined seams. To predict the correct peak crush load and the corresponding energy absorption, the importance of the numerical modelling of multiple delaminations and triggering are discussed. Two types of triggering were chosen for the study. Finally, the results of this numerical investigation are compared with experimental data. The commercially available finite element code ABAQUS V6.7-3 Explicit was used for this study.},
  author       = {Palanivelu, Sivakumar and Van Paepegem, Wim and Degrieck, Joris and Kakogiannis, Dimitrios and Van Ackeren, Johan and Van Hemelrijck, Danny and Wastiels, Jan and De Wolf, Kathleen and Vantomme, John},
  booktitle    = {DYMAT 2009: 9TH INTERNATIONAL CONFERENCE ON THE MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING, VOL 1/2},
  isbn         = {9782759804726},
  language     = {eng},
  location     = {Brussels, Belgium},
  pages        = {771--777},
  publisher    = {EDP Sciences},
  title        = {Numerical axial impact study of pultruded circular and square composite tubes},
  url          = {http://dx.doi.org/10.1051/dymat/2009108},
  year         = {2009},
}

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