Progressive damage analysis of composite bolted joints with liquid shim layers using constant and continuous degradation models

Research output: Contribution to journalArticleResearchpeer review

Authors

  • C. Hühne
  • A. K. Zerbst
  • G. Kuhlmann
  • C. Steenbock
  • R. Rolfes

Research Organisations

External Research Organisations

  • Airbus Group
  • ELAN GmbH
  • German Aerospace Center (DLR) (e.V.) Location Braunschweig
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Details

Original languageEnglish
Pages (from-to)189-200
Number of pages12
JournalComposite structures
Volume92
Issue number2
Publication statusPublished - 9 Jun 2009

Abstract

The structural behaviour of a single-lap, single-bolt composite joint is investigated using a three-dimensional finite element model. In contrast to previous investigations the influence of a liquid shim layer, added between the two laminates, on strength and structural behaviour of the joints is investigated by virtual testing. The finite element model is validated with experimental data. The experiments point out that the structural behaviour of these joints is dominated by progressive damage. Therefore, as a first approach, progressive damage is considered using Hashin's three-dimensional failure criterion and a constant degradation model. It is shown that this combination yields very conservative results. As a second approach the model is improved by a continuous degradation model. Considering continuous degradation, the numerical results show very good correlation with the experimental data.

Keywords

    Bolted joint, Composite, Continuous degradation, Finite element analysis, Progressive damage

ASJC Scopus subject areas

Cite this

Progressive damage analysis of composite bolted joints with liquid shim layers using constant and continuous degradation models. / Hühne, C.; Zerbst, A. K.; Kuhlmann, G. et al.
In: Composite structures, Vol. 92, No. 2, 09.06.2009, p. 189-200.

Research output: Contribution to journalArticleResearchpeer review

Hühne C, Zerbst AK, Kuhlmann G, Steenbock C, Rolfes R. Progressive damage analysis of composite bolted joints with liquid shim layers using constant and continuous degradation models. Composite structures. 2009 Jun 9;92(2):189-200. doi: 10.1016/j.compstruct.2009.05.011
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