Steinmüller, Patrick and Degenhardt, Richard and Rohwer, Klaus (2008) Investigations of axially loaded unstiffened CFRP cylindrical shells subject to single perturbation loads. In: Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures. 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures, 2008-09-03 - 2008-09-05, Braunschweig, Deutschland.
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Abstract
At the DLR, a new method to determine buckling loads of imperfect shells has been developed using a perturbation energy. Applying this technique, only one numerical buckling analysis containing the specific perturbation load (P1) has to be performed. The outcome leads directly to the true and compared to other methods, less conservative load carrying capacity. To do so, a mathematically function to work out P1, depending on the design of the cylinder is necessary. The aim of this work is to gain more knowledge on the new method and to find general and arithmetical relations between various parameters and P1. The results of the performed parameter studies and collected experiences in [7] are shown in this contribution.
Item URL in elib: | https://elib.dlr.de/55203/ | ||||||||||||
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Document Type: | Conference or Workshop Item (Speech) | ||||||||||||
Title: | Investigations of axially loaded unstiffened CFRP cylindrical shells subject to single perturbation loads | ||||||||||||
Authors: |
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Date: | September 2008 | ||||||||||||
Journal or Publication Title: | Proceedings of the 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | No | ||||||||||||
In ISI Web of Science: | No | ||||||||||||
Editors: |
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Status: | Published | ||||||||||||
Keywords: | CFRP cylindrical shell; buckling; imperfections; radial perturbation load | ||||||||||||
Event Title: | 2nd International Conference on Buckling and Postbuckling Behaviour of Composite Laminated Shell Structures | ||||||||||||
Event Location: | Braunschweig, Deutschland | ||||||||||||
Event Type: | international Conference | ||||||||||||
Event Dates: | 2008-09-03 - 2008-09-05 | ||||||||||||
Organizer: | DLR Braunschweig, Institut für Faserverbundleichtbau und Adaptronik | ||||||||||||
HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||
HGF - Program: | Aeronautics | ||||||||||||
HGF - Program Themes: | Aircraft Research (old) | ||||||||||||
DLR - Research area: | Aeronautics | ||||||||||||
DLR - Program: | L AR - Aircraft Research | ||||||||||||
DLR - Research theme (Project): | L - Structures & Materials (old) | ||||||||||||
Location: | Braunschweig | ||||||||||||
Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems > Structural Mechanics | ||||||||||||
Deposited By: | Ries, Doris | ||||||||||||
Deposited On: | 15 Sep 2008 | ||||||||||||
Last Modified: | 27 Apr 2009 15:12 |
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