Castro, Saullo und Mittelstedt, Christian und Monteiro, F. und Arbelo, Mariano und 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, Seiten 61-73. Elsevier. doi: 10.1016/j.tws.2015.01.002. ISSN 0263-8231.
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Kurzfassung
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.
| elib-URL des Eintrags: | https://elib.dlr.de/114118/ | ||||||||||||||||||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||||||
| Titel: | 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 | ||||||||||||||||||||||||
| Autoren: |
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| Datum: | 30 Januar 2015 | ||||||||||||||||||||||||
| Erschienen in: | Thin-Walled Structures | ||||||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||||||
| Open Access: | Nein | ||||||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||||||
| In SCOPUS: | Ja | ||||||||||||||||||||||||
| In ISI Web of Science: | Ja | ||||||||||||||||||||||||
| Band: | 90 | ||||||||||||||||||||||||
| DOI: | 10.1016/j.tws.2015.01.002 | ||||||||||||||||||||||||
| Seitenbereich: | Seiten 61-73 | ||||||||||||||||||||||||
| Verlag: | Elsevier | ||||||||||||||||||||||||
| ISSN: | 0263-8231 | ||||||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||||||
| Stichwörter: | Ritz method Linear buckling Linear static Non-linear analysis Cylinders Cones | ||||||||||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||||||
| HGF - Programm: | Raumfahrt | ||||||||||||||||||||||||
| HGF - Programmthema: | Raumtransport | ||||||||||||||||||||||||
| DLR - Schwerpunkt: | Raumfahrt | ||||||||||||||||||||||||
| DLR - Forschungsgebiet: | R RP - Raumtransport | ||||||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | R - Raumfahrzeugsysteme - Numerische Verfahren und Simulation (alt) | ||||||||||||||||||||||||
| Standort: | Braunschweig | ||||||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Faserverbundleichtbau und Adaptronik > Strukturmechanik | ||||||||||||||||||||||||
| Hinterlegt von: | Degenhardt, Prof. Dr. Richard | ||||||||||||||||||||||||
| Hinterlegt am: | 18 Sep 2017 09:35 | ||||||||||||||||||||||||
| Letzte Änderung: | 14 Jun 2023 16:32 |
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