Composite transport wing technology development: Design development tests and advanced structural concepts [PDF]
Numerous design concepts, materials, and manufacturing methods were investigated for the covers and spars of a transport box wing. Cover panels and spar segments were fabricated and tested to verify the structural integrity of design concepts and ...
Griffin, Charles F., Harvill, William E.
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The Viscoplastic Effect in the Heat–Treated, Thin–Walled AL–6060 Alloy Profiles Subjected to Compressive Axial Impact. [PDF]
, 2014 This paper will highlight the influence of the strain rate effect occurring during pulse loading on dynamic stability of aluminium profiles. Current work is the development of the analysis carried in [1].
Mróz, Andrzej
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Evaluation of a metal shear web selectively reinforced with filamentary composites for space shuttle application. Phase 1 summary report: Shear web design development [PDF]
An advanced composite shear web design concept was developed for the Space Shuttle orbiter main engine thrust beam structure. Various web concepts were synthesized by a computer-aided adaptive random search procedure.
Laakso, J. H., Zimmerman, D. K.
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Helicopter crashworthiness research program [PDF]
Results are presented from the U.S. Army-Aerostructures Directorate/NASA-Langley Research Center joint research program on helicopter crashworthiness.
Boitnott, Richard L. +2 more
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Low cost, SPF aluminum cryogenic tank structure for ALS [PDF]
Past production work has shown that cryogenic tank structure for the Shuttle Booster Rockets and the Titan system have very high life cycle costs for the fuel tank structure.
Anton, Claire E. +7 more
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Advanced beaded and tubular structural panels [PDF]
A program to develop lightweight beaded and tubular structural panels is described. Applications include external surfaces, where aerodynamically acceptable, and primary structure protected by heat shields.
Greene, B. E., Musgrove, M. D.
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The effects of compression loading on perforated cold-formed thin-walled steel structural members of lipped-channel cross-section [PDF]
, 2019 Kotelko, Maria +2 more
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On Prediction of 3d Stress State in Elastic Shell by Higher-order Shell Formulations [PDF]
, 2008 In this work we study the accuracy of modem higher-order shell finite element formulations in computation of 3d stress state in elastic shells. In that sense we compare three higher-order shell models: (i) with seven dislacement-like kinematic parameters,
Bohinc, Uroš +2 more
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Development of lightweight aluminum compression panels reinforced by boron-epoxy infiltrated extrusions [PDF]
Analytical and experimental studies were performed to evaluate the structural efficiencies afforded by the selective reinforcement of conventional aluminum compression panels with unidirectional boron epoxy composite materials.
Henshaw, J., Mcelman, J. A., Roy, P. A.
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Jurnal Teknologi (Sciences & Engineering)Cellular Steel Beam (CSB) are Widely recognized and used in steel structures due to their numerous benefits, including visually appealing design, flexible structural elements, exceptional structural integrity, and the ability to incorporate utility conduits within the web beam section.
Renga Rao Krishnamoorthy +3 more
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