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Ritz method for the analysis of unstiffened laminated composite cylinders and cones under axial compression

Castro, Saullo and Mittelstedt, Christian and Monteiro, Fransisco and Arbelo, Mariano and Khakimova, Regina and Degenhardt, Richard (2014) Ritz method for the analysis of unstiffened laminated composite cylinders and cones under axial compression. 51th Israel Annual Conference on Aerospace Sciences, 19.-20.Feb. 2014, Tel Aviv, Israel.

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Abstract

This paper presents the application of the Ritz method for the analysis of laminated composite cylinders and cones using the Classical Laminated Plate Theory (CLPT) and the First-order Shear Deformation Theory (FSDT). The Donnell and an extended version of the Sander kinematic approximations are investigated for the CLPT. It is shown that the extended Sanders equations when applied with the CLPT increase the range of applicability of the CLPT in comparison with the Donnell kinematics. The developed models are suitable to obtain linear and non-linear responses of conical and cylindrical shells under displacement or load controlled axial compression and geometric imperfections. This paper demonstrates the investigation of static and buckling responses and the commercial finite element solver Abaqus was used to verify all the linear and non-linear results.

Item URL in elib:https://elib.dlr.de/90371/
Document Type:Conference or Workshop Item (Speech)
Title:Ritz method for the analysis of unstiffened laminated composite cylinders and cones under axial compression
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Castro, SaulloPFH GöttingenUNSPECIFIED
Mittelstedt, ChristianSogettiUNSPECIFIED
Monteiro, FransiscoITAUNSPECIFIED
Arbelo, MarianoPFH GöttingenUNSPECIFIED
Khakimova, ReginaDLRUNSPECIFIED
Degenhardt, RichardDLRUNSPECIFIED
Date:19 February 2014
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Buckling, Ritz-method, Composite structures
Event Title:51th Israel Annual Conference on Aerospace Sciences
Event Location:Tel Aviv, Israel
Event Type:international Conference
Event Dates:19.-20.Feb. 2014
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 - HL-Primärstrukturen für Orbitale Systeme
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Structural Mechanics
Deposited By: Degenhardt, Richard
Deposited On:01 Sep 2014 08:13
Last Modified:01 Sep 2014 08:13

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