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Potential of cross section varying Ω stringer made of carbon fibre reinforced plastics

Petersen, Enno and Hühne, Christian (2016) Potential of cross section varying Ω stringer made of carbon fibre reinforced plastics. Thin-Walled Structures. Elsevier. doi: 10.1016/j.tws.2015.12.026. ISSN 0263-8231.

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Modern lightweight structures commonly use stiffeners of constant cross section to increase the stability of thin shells. This paper introduces a particular ΩΩ stringer with variable cross section, allowing an increase of local skin buckling load, through an effective partitioning of the skin fields. The present work contains a methodology to develop a feasible design for stiffened shells. Parametric studies including criteria like stability, strength and damage tolerance, are performed. Additionally, a static compression experiment is conducted. Considering actual sizing criteria it can be shown that the introduced type of stringer leads to improved load carrying capacity through weight quotients.

Item URL in elib:https://elib.dlr.de/103079/
Document Type:Article
Title:Potential of cross section varying Ω stringer made of carbon fibre reinforced plastics
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Petersen, Ennoenno.petersen (at) dlr.deUNSPECIFIED
Hühne, Christianchristian.huehne (at) dlr.deUNSPECIFIED
Journal or Publication Title:Thin-Walled Structures
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.tws.2015.12.026
Keywords:Omega stringer; Stiffened panel; Stability; Varying cross section; Non-rectangular skin fields
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Functional Lightweight Structures
Deposited By: Petersen, Enno
Deposited On:15 Feb 2016 08:18
Last Modified:06 Sep 2019 15:20

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