1–20 of 375 hits
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    Research in Structures, Structural Dynamics and Materials, 1990

    Barthelemy, Jean-Francois M. / Noor, Ahmed K. | NTRS | 1990
    The Structural Dynamics and Materials (SDM) Conference was held on April 2 to 4, 1990 in Long Beach, California. This publication is a ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    NASA Space Shuttle Technology Conference: Dynamics and Aeroelasticity; Structures and Materials

    NTRS | 1972
    Conference on dynamics and aeroelasticity of structural materials for space shuttle design considerations ...
    Publisher: NASA National Aeronautics and Space Administration

    Recent Progress in Heliogyro Solar Sail Structural Dynamics

    Keats Wilkie / Jay Warren / Lucas Horta et al. | NTRS
    The heliogyro is a helicopter-like spinning solar sail concept, conceived by MacNeal in the 1960s and studied by JPL in the 1970s. The ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    Structural Dynamics Experimental Activities in Ultra-Lightweight and Inflatable Space Structures

    Pappa, Richard S. / Lassiter, John O. / Ross, Brian P. | NTRS | 2001
    This paper reports recently completed structural dynamics experimental activities with new ultra-lightweight and inflatable space ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    Recent Progress in Heliogyro Solar Sail Structural Dynamics

    Wilkie, William K. / Warren, Jerry E. / Horta, Lucas G. et al. | NTRS | 2014
    Results from recent National Aeronautics and Space Administration (NASA) research on the structural dynamics and control characteristics of ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    NASA Handbook for Spacecraft Structural Dynamics Testing

    Kern, Dennis L. / Scharton, Terry D. | NTRS | 2005
    Recent advances in the area of structural dynamics and vibrations, in both methodology and capability, have the potential to make ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    Aeroelastic Tailoring of the NASA Common Research Model via Novel Material and Structural Configurations

    Jutte, Christine V. / Stanford, Bret K. / Wieseman, Carol D. et al. | NTRS | 2014
    % improvement), and many of these designs could reduce weight as well (up to 14%). For these structures, the trade-off between flutter speed and weight ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Aircraft Design, Testing And Performance

    Computational structural mechanics for engine structures

    Chamis, Christos C. | NTRS | 1989
    The computational structural mechanics (CSM) program at Lewis encompasses the formulation and solution of structural mechanics problems and ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Aircraft Propulsion And Power

    Preliminary Structural Sizing and Alternative Material Trade Study of CEV Crew Module

    Bednarcyk, Brett A. / Arnold, Steve M. / Collier, Craig S. et al. | NTRS | 2007
    This paper presents the results of a preliminary structural sizing and alternate material trade study for NASA s Crew Exploration Vehicle ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Composite Materials

    Some Remaining Challenges in Aerospace Structures

    Kenneth R Hamm / Kauser S. Imtiaz / Ivatury S Raju | NTRS
    The science behind analyzing and building structures was laid out by legendary scientists such as Euler, Bernoulli, Gauss, Timoshenko and ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    Probabilistic Sensitivity Analysis for Launch Vehicles with Varying Payloads and Adapters for Structural Dynamics and Loads

    McGhee, David S. / Peck, Jeff A. / McDonald, Emmett J. | NTRS | 2012
    This paper examines Probabilistic Sensitivity Analysis (PSA) methods and tools in an effort to understand their utility in vehicle loads ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Statistics And Probability

    Research and Technology Advisory Committee on Materials and Structures: Report of meeting, February 1973

    NTRS | 1973
    The proceedings of a conference on Materials and Structures is presented. The subjects discussed are: (1) basic materials research: (2 ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    Structural efficiency study of graphite-epoxy aircraft rib structures

    Swanson, Gary D. / Gurdal, Zafer / Starnes, James H., Jr. | NTRS | 1988
    Attention is given to the structural efficiencies obtainable with optimally designed graphite/epoxy wing rib panel configurations that are ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    Influence of structural dynamics on vehicle design - Government view

    Kordes, E. E. | NTRS | 1977
    standpoint of structural dynamics, because their large lightweight structures are highly nonlinear. Examples of problems in the case of conventional ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Aircraft Design, Testing And Performance

    Structural Analysis in a Conceptual Design Framework

    Padula, Sharon L. / Robinson, Jay H. / Eldred, Lloyd B. | NTRS | 2012
    candidate designs. Other critical objectives and constraints, such as weight, fuel volume, aeroelastic effects, and structural soundness, are more ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Aircraft Design, Testing And Performance

    Structural Verification of the First Orbital Wonder of the World - The Structural Testing and Analysis of the International Space Station (ISS)

    Zipay, John J. / Bernstein, Karen S. / Bruno, Erica E. et al. | NTRS | 2012
    ambition and scope of the ISS structural design, verification and assembly effort is a truly global success story. With its on-orbit life projected ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    Isogrid structures

    Slysh, P. / Dyer, J. E. / Furman, J. H. et al. | NTRS | 1975
    Test results and related structural instability analyses are presented for a 10-foot-diameter, 37-inch-long cylinder, and a 10-foot ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics

    Best Practices for Reliable and Robust Spacecraft Structures

    Raju, Ivatury S. / Murthy, P. L. N. / Patel, Naresh R. et al. | NTRS | 2007
    A study was undertaken to capture the best practices for the development of reliable and robust spacecraft structures for NASA s next ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Spacecraft Design, Testing And Performance

    Ares I-X First Stage Separation Loads and Dynamics Reconstruction

    Demory, Lee / Rooker, BIll / Jarmulowicz, Marc et al. | NTRS | 2011
    describes the efforts to reconstruct the vehicle dynamics and loads through the staging event by means of a time integrated simulation developed in ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Launch Vehicles And Launch Operations

    Structural Efficiency of Composite Struts for Aerospace Applications

    Jegley, Dawn C. / Wu, K. Chauncey / McKenney, Martin J. et al. | NTRS | 2011
    The structural efficiency of carbon-epoxy tapered struts is considered through trade studies, detailed analysis, manufacturing and ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Structural Mechanics