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Collapse Analysis, Defect Sensitivity and Load Paths

Kelly, D.W. and Lee, M.C.W. and Orifici, Adrian and Thomson, R.S. and Degenhardt, Richard (2009) Collapse Analysis, Defect Sensitivity and Load Paths. Computers, Materials and Continua, 10 (2), pp. 163-194. Tech Science Press. ISSN 1546-2218 (printed), 1546-2226 (online).

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An experimental program for collapse of curved stiffened composite shell structures encountered a wide range of initial and deep buckling mode shapes. This paper presents work to determine the significance of the buckling deformations for determining the final collapse loads and to understand the source of the variation. A finite element analysis is applied to predict growth of damage that causes the disbonding of stiffeners and defines a load displacement curve to final collapse. The variability in material properties and geometry is then investigated to identify a range of buckling modes and development of deep postbuckling deformation encountered in the experimental program. Finally the load paths for the damaged panels are used to visualise the load transfer and enhance the physical understanding of the load displacement history .

Document Type:Article
Title:Collapse Analysis, Defect Sensitivity and Load Paths
AuthorsInstitution or Email of Authors
Kelly, D.W.University of New South Wales, Sydney, NSW, Australia
Lee, M.C.W.University of New South Wales, Sydney, NSW, Australia
Orifici, AdrianCooperative Research Centre for Advanced Composite Structures Ltd
Thomson, R.S.Cooperative Research Centre for Advanced Composite Structures Ltd
Degenhardt, RichardUNSPECIFIED
Journal or Publication Title:Computers, Materials and Continua
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 163-194
Kalidindi, Surya R.UNSPECIFIED
Ramakrishnan, N.UNSPECIFIED
Rolfes, RaimundUNSPECIFIED
Publisher:Tech Science Press
ISSN:1546-2218 (printed), 1546-2226 (online)
Keywords:Buckling, Stiffened Shells, Collapse Loads, Geometry Sensitivity.
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignement
DLR - Research theme (Project):L -- no assignement
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Structural Mechanics
Deposited By: Doris Ries
Deposited On:28 Oct 2009 12:02
Last Modified:07 Feb 2013 20:07

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