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Simple and efficient prediction of bearing failure in single shear, composite lap joints
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.
Swedish Defence Research Agency, FOI, Sweden.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.ORCID iD: 0000-0002-9744-4550
2013 (English)In: Composite structures, ISSN 0263-8223, Vol. 105, 35-44 p.Article in journal (Refereed) Published
Abstract [en]

A straightforward procedure to predict bearing strength in bolted composite structures has been developed. The method is based on a finite element analysis, using structural elements, followed by a post-processing procedure. Bolt-hole clearance, friction between member plates, fastener clamp-up and fastener deformation is accounted for. Forces calculated in the FE-analysis are converted into a local stress field which is used in an existing criterion to predict fiber microbuckling in the most critically loaded lamina. Predictions were compared with experiments which validated the method. The small computational cost required by the procedure suggests that the method is applicable on large scale structures and suitable to use in conjunction with iterative schemes such as optimization and statistical investigations.

Place, publisher, year, edition, pages
Elsevier, 2013. Vol. 105, 35-44 p.
Keyword [en]
Bearing failure, Bolted composite joint, Fiber microbuckling
National Category
Vehicle Engineering
URN: urn:nbn:se:kth:diva-126034DOI: 10.1016/j.compstruct.2013.04.038ISI: 000323399800004ScopusID: 2-s2.0-84880783419OAI: diva2:641782
XPRES - Initiative for excellence in production research

QC 20130819

Available from: 2013-08-19 Created: 2013-08-19 Last updated: 2015-05-22Bibliographically approved

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Ekh, JohanZenkert, Dan
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