NDLI: A treatise on equivalent-plate stiffnesses for stiffened laminated-composite plates and plate-like lattices

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A treatise on equivalent-plate stiffnesses for stiffened laminated-composite plates and plate-like lattices

Content Provider	NASA Technical Reports Server (NTRS)
Author	Nemeth, Michael P.
Copyright Year	2011
Description	A survey of studies conducted since 1914 on the use of equivalent-plate stiffnesses in modeling the overall, stiffness-critical response of stiffened plates and shells is presented. Two detailed, comprehensive derivations of first-approximation equivalent-plate stiffnesses are also presented that are based on the Reissner-Mindlin-type, first-order transverse-shear deformation theory for anisotropic plates. Equivalent-plate stiffness expressions, and a corresponding symbolic manipulation computer program, are also presented for several different stiffener configurations. These expressions are very general and exhibit the full range of anisotropies permitted by the Reissner-Mindlin-type, first-order transverse-shear deformation theory for anisotropic plates. The expressions presented in the present study were also compared with available, previously published results. For the most part, the previously published results are for special cases of the general expressions presented herein and are almost in complete agreement. Analysis is also presented that extends the use of the equivalent-plate stiffness expressions to sandwich plates.
File Size	2732120
Page Count	151
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20110004039
Archival Resource Key	ark:/13960/t3130vt40
Language	English
Publisher Date	2011-01-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Surveys Deformation Anisotropic Plates Plates Structural Members Shear Stress Stiffness Laminates 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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