NDLI: Buckling of composite beams (cddf)

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Buckling of composite beams (cddf)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Thompson, P.
Copyright Year	1994
Description	Presented are the results of an investigation of the twisting/warping deformation occurring in open-section composite beams. A series of C and L channels were manufactured using both hand layup and the innovative 'hot-drape forming' techniques. A transverse tip load was applied at the free end of the cantilevered open-section beams. The test setup allowed the tip load to be applied at various locations along the plane of and at the beam's shear center. Charts are included in this report depicting various angles of ply layups, loads applied, and load application points. A major verification resulting from this study is that the shear center of an open section composite beam can be altered, if not completely controlled, through laminate layup. Also, it was observed that the choice of the material system does not have an effect on the amount of deformation, as expected, and the material affects the location of an unsymmetric open section composite beam's true shear center. The results from this study have provided a foundation for further investigation into the apparent shifting of the shear center location in open-section composite beams.
File Size	2162905
Page Count	56
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19950008499
Archival Resource Key	ark:/13960/t0fv3h20p
Language	English
Publisher Date	1994-10-01
Access Restriction	Open
Subject Keyword	Composite Materials Forming Techniques Deformation Twisting Warpage Bending Lay-up Transverse Loads Cantilever Beams Laminates Torsion Buckling Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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