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  4. Are probabilistic methods a way to get rid of fudge factors? Part II: Application and examples
 
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May 2023
Journal Article
Title

Are probabilistic methods a way to get rid of fudge factors? Part II: Application and examples

Abstract
Dimensioning adhesively bonded joints remains a challenging task. Their diversity in geometry and material (including combinations thereof), characteristic stress peaks, scatter and brittleness are aspects few practitioners are prepared to handle for dimensioning purposes. As developed in the first part of this two-part paper, direct stress based methods, despite diverse fudging techniques, proved to be unsuitable. This left the field open for fracture mechanics, which, however, departed very much from the engineering reality leading to only lukewarm acceptance from practitioners. Almost unnoticed, probabilistic methods, much closer to classical mechanics, may offer an alternative. Based upon the presentation, in the first part of this series, of the concepts, the authors suggested an implementation in terms of design procedure. The second part of this two-part paper, is dedicated to the presentation of several examples, from available literature, of adhesively bonded joints involving a large variety of typologies (single and double-lap, tubular, and hybrid joints) and materials (fibre-reinforced polymers, steel, wood). The focus therein is set on practitioner oriented aspects, in particular on techniques for implementation.
Author(s)
Vallée, Till  
Fraunhofer-Institut für Fertigungstechnik und Angewandte Materialforschung IFAM  
Kaufmann, Marvin  
Fraunhofer-Institut für Fertigungstechnik und Angewandte Materialforschung IFAM  
Adams, Robert
University of Oxford
Albiez, Matthias
KIT-Zentrum Energie, Karlsruhe  
Correia, Joao R.
CERIS Portugal
Tannert, Thomas
University of Nothern British Columbia
Journal
International journal of adhesion and adhesives  
DOI
10.1016/j.ijadhadh.2023.103364
Language
English
Fraunhofer-Institut für Fertigungstechnik und Angewandte Materialforschung IFAM  
Keyword(s)
  • Epoxy/epoxides

  • Polyurethane

  • Composites

  • Steels

  • Wood

  • Finite element stress analysis

  • Fracture mechanics

  • Fracture

  • adhesively bonded joints

  • brittleness

  • direct stress

  • probabilistic methods

  • joints

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