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Castro, Saullo and Mittelstedt, Christian and Monteiro, F. and Arbelo, Mariano and Degenhardt, Richard (2015) A semi-analytical approach for the linear and non-linear buckling analysis of imperfect unstiffened laminated composite cylinders and cones under axial, torsion and pressure loads. Thin-Walled Structures, 90, pp. 61-73. Elsevier. ISSN 0263-8231
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Abstract
A semi-analyticalmodelforthenon-linearanalysisofsimplysupported,unstiffenedlaminated composite cylindersandconesusingtheRitzmethodandtheClassicalLaminatedPlateTheoryis proposed. AmatrixnotationisusedtoformulatetheproblemusingDonnell'sandSanders'non-linear equations.Theapproximationfunctionsproposedarecapabletosimulatetheelephant'sfooteffect,a common phenomenonandacommonfailuremodeforcylindricalandconicalstructuresunderaxial compression. Axial,torsionandpressureloadscanbeappliedindividuallyorcombined,andsolutionsfor linear static,linearbucklingandnon-linearbucklinganalysesarepresentedandverified usinga commercial finite elementsoftware.Thepresentednon-linearbucklinganalysesusedperturbationloads to createtheinitialgeometricimperfections,showingthecapabilityofthemethodforarbitrary imperfection patterns.Thelinearstiffnessmatricesareintegratedanalyticallyandfortheconical structures anapproximationisproposedtoovercomethenon-integrableexpressions.
| Item URL in elib: | https://elib.dlr.de/114118/ | ||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||
| Title: | A semi-analytical approach for the linear and non-linear buckling analysis of imperfect unstiffened laminated composite cylinders and cones under axial, torsion and pressure loads | ||||||||||||||||||
| Authors: |
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| Date: | 30 January 2015 | ||||||||||||||||||
| Journal or Publication Title: | Thin-Walled Structures | ||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||
| Open Access: | No | ||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||
| In SCOPUS: | Yes | ||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||
| Volume: | 90 | ||||||||||||||||||
| Page Range: | pp. 61-73 | ||||||||||||||||||
| Publisher: | Elsevier | ||||||||||||||||||
| ISSN: | 0263-8231 | ||||||||||||||||||
| Status: | Published | ||||||||||||||||||
| Keywords: | Ritz method Linear buckling Linear static Non-linear analysis Cylinders Cones | ||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||
| HGF - Program: | Space | ||||||||||||||||||
| HGF - Program Themes: | Space Transport | ||||||||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||||||||
| DLR - Program: | R RP - Raumtransport | ||||||||||||||||||
| DLR - Research theme (Project): | R - Raumfahrzeugsysteme - Numerische Verfahren und Simulation | ||||||||||||||||||
| Location: | Braunschweig | ||||||||||||||||||
| Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems > Structural Mechanics | ||||||||||||||||||
| Deposited By: | Degenhardt, Richard | ||||||||||||||||||
| Deposited On: | 18 Sep 2017 09:35 | ||||||||||||||||||
| Last Modified: | 06 Sep 2019 15:20 |
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