Advanced manufacturing development of a composite empennage component for L-1011 aircraft. Phase 2: Design and analysis [PDF]
The composite fin design consists of two one-piece cocured covers, two one-piece cocured spars and eleven ribs. The lower ribs are truss ribs with graphite/epoxy caps and aluminum truss members.
Crocker, J. F. +6 more
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A Parametric Investigation of the Transition Between Beam-Web Shear Buckling and Bottom- Flange Buckling at Elevated Temperatures [PDF]
, 2015 In this research, two existing analytical models of beam-web shear buckling and bottom-flange buckling in steel beams at elevated temperatures have been briefly reviewed.
Burgess, I., Huang, S., Quan, G.
core
Finite element analysis of steel beams with web apertures under fire condiction [PDF]
, 2016 This work is intended to analyse the behaviour steel beams with apertures under high temperatures rise due to fire using finite elements simulations with ANSYS software.
Bouchair, Abdelhamid +3 more
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Eighth DOD/NASA/FAA Conference on Fibrous Composites in Structural Design, Part 2 [PDF]
Papers presented at the conference are compiled. The conference provided a forum for the scientific community to exchange composite structures design information and an opportunity to observe recent progress in composite structures design and technology.
Bohon, Herman L. +2 more
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Commentary and Worked Examples to EN 1993-1-5 "Plated Structural Elements" [PDF]
, 2007 EN 1993-Eurocode 3 – Part 1-5 gives unified European design rules for plated structural elements made of steel which may be subject to shear lag and local and/or global plate buckling. As these rules may be novel to many designers who so far have worked
BEG Darko +4 more
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Analysis of webs of partial-tension-field beams subjected to lateral pressure loadings [PDF]
Webs of partial-tension-field beams subjected to lateral pressure ...
Furuike, T. +3 more
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Innovative all composite multi-pultrusion truss system for stressed arch deployable shelters [PDF]
, 2007 Trusses are one of the successful structural forms that have been utilised, at extended scale, since the nineteen century. Fibre composite materials are relatively new to civil engineering applications. The increased interest in using composites in civil
Aravinthan, T. +3 more
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Built-up Al-Li structures for cryogenic tank and dry bay applications [PDF]
The objectives are: (1) to demonstrate the cost benefits of built-up cryotank and dry bay structures; (2) to study of benefits of using Al alloys; (3) to study of benefit of using Al-Li alloys; (4) to evaluate alternative low-cost stiffener and joining ...
Lisagor, W. Barry
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Design and fabrication of a boron reinforced intertank skirt [PDF]
Analytical and experimental studies were performed to evaluate the structural efficiency of a boron reinforced shell, where the medium of reinforcement consists of hollow aluminum extrusions infiltrated with boron epoxy.
Henshaw, J., Pylypetz, P., Roy, P. A.
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Flight service evaluation of an advanced composite empennage component on commercial transport aircraft. Phase 1: Engineering development [PDF]
The empennage component selected for this program is the vertical fin box of the L-1011 aircraft. The box structure extends from the fuselage production joint to the tip rib and includes the front and rear spars.
Ary, A. +7 more
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