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A simple closed-form analytical model for the column buckling of omega-stinger-stiffened panels with periodic boundary conditions

Schilling, Jakob C. ; Mittelstedt, Christian (2020)
A simple closed-form analytical model for the column buckling of omega-stinger-stiffened panels with periodic boundary conditions.
In: Results in Engineering, 2020, 6
doi: 10.25534/tuprints-00013361
Article, Secondary publication

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Item Type: Article
Type of entry: Secondary publication
Title: A simple closed-form analytical model for the column buckling of omega-stinger-stiffened panels with periodic boundary conditions
Language: English
Date: 2020
Year of primary publication: 2020
Publisher: Elsevier
Journal or Publication Title: Results in Engineering
Volume of the journal: 6
DOI: 10.25534/tuprints-00013361
URL / URN: https://doi.org/10.1016/j.rineng.2020.100120
Origin: Secondary publication via sponsored Golden Open Access
Abstract:

During the preliminary design of stiffened panels, the stability behaviour is critical and both buckling modes, global and local, have to be considered in order to avoid panel configurations in which the minimum stiffness of the stringers is not achieved. In the present work, a new simple computational model is presented that computes the critical column buckling load of an omega-stringer-stiffened panel with periodic boundary conditions. This is achieved by obtaining the effective stiffness properties for an equivalent composite column. The model is able to predict column buckling conservatively as numerical studies show and can easily be used, e.g. as a constraint for optimization studies.

URN: urn:nbn:de:tuda-tuprints-133619
Classification DDC: 600 Technology, medicine, applied sciences > 600 Technology
Divisions: 16 Department of Mechanical Engineering > Institute for Lightweight Construction and Design-KluB (2023 renamed in Leichtbau und Strukturmechanik (LSM))
Date Deposited: 25 Aug 2020 10:46
Last Modified: 25 Aug 2020 10:51
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/13361
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