1–20 of 78 hits
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    21st century steels for 21st customers: Flat and long steel product development

    Elliot, Chris | Tema Archive | 2007
    present day, the predominant structural solution is essentially the same, namely a fine high carbon-manganese steel pearlitic structure ...

    Acoustic vibration model of a composite shell with sound absorption material

    Dungan, M.R. / Mollo, C. / Vlahopoulos, N. et al. | Tema Archive | 1996
    only in two dimensions. This formulation assumes an isotropic structural member that couples with the elastic porous material. To expand beyond ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Reston
    Keywords: poröser Werkstoff , Scherung (Werkstoff)

    Active vibration control in rotorcraft systems using smart actuators

    Anderson, G.L. / Garg, D.P. | Tema Archive | 2002
    the structure. A smart structure is generally composed of a number of distributed sensors and actuators embedded and/or surface-mounted on a ...

    A design scheme aimed at minimizing actuator and structural loads of a span morphing aircraft

    Boothe, Kenny | Tema Archive | 2006
    . These surface pressures cause undesired moments and forces on the control effectors that are morphing the structure. This paper focuses on the ...

    Aerothermoelastic analysis of a NASP demonstrator model

    Heeg, J. / Zeiler, T.A. / Pototzky, A.S. et al. | Tema Archive | 1993
    flight through the atmosphere could destiffen a structure, significant couplings between the elastic and rigid body modes could result in lower ...

    A multifunctional flexure hinge for deploying omnidirectional solar arrays

    Hinkley, D. / Simburger, E.J. | Tema Archive | 2001
    an extremely flexible metal has been suggested. In this paper, the prior use of the superelastic Ti-Ni alloy for the structure, hinge and ...

    Analysis of Damping Performance for Cabin Deck Covered with Floating Floor Coverings

    Liang, Bing-Nan / Yu, Hong-liang / Song, Yu-Chao | Tema Archive | 2012
    coverings and cabin deck and based on ANSYS system, a dynamics analysis on structures of three different kinds of floating floors is performed using ...
    Keywords: Strukturdynamik

    Analysis of high energy impact on lightweight composite (sandwich) structures

    Stresing, D.W. / Binienda, W.K. / Dhruva, V. | Tema Archive | 2001
    damage. The task is quite difficult due to the nature of the composite materials and the non-linear failure of the structure and impacting object ...

    Analysis of weld defects in offshore structural H beams

    Lee, Hee Keun / Kim, Jin Yong / Hwang, In Hwang | Tema Archive | 2008
    H beam welds along rolling and transverse direction were investigated with nondestructive testing, mechanical testing and microstructural ...

    Analysis techniques for shape-memory composite structures

    Schultz, Marc R. / Francis, William H. / Campbell, Douglas et al. | Tema Archive | 2007
    observed failure mechanism, and aided in structural design changes and improvement of key performance metrics of the structure. ...

    An analysis of warping effects on the static and dynamic response of an aircraft seat-type structure

    Rahematpura, M. / Hooper, S.J. | Tema Archive | 1994
    seat-type structure subjected to impact loading. The test article design featured thin-walled open-section beams and was loaded inertially by a ...

    A new substructures system identification method

    Craig, R.R. jun. | Tema Archive | 1995
    interface-DOF entries included. Multiple-boundary-condition tests are not required, and test-stand dynamics is accounted for without a separate test ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    An investigation of the aeroelastic tailoring for smart structures concept

    Giese, C.L. / Reich, G.W. / Hopkins, M.A. et al. | Tema Archive | 1996
    , a wing structure is designed as a force multiplier for control actuation. This concept may be used as a way to employ light-weight and low ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    Application of ultra-high modulus composites to primary structures

    Foster, J.L. / Tracy, J.J. / Elizondo, C.A. | Tema Archive | 1993
    the primary load path for a typical large space structure are highlighted. Mechanical properties for both mature and recently developed pitch ...

    Aspects of edge debonding in patched structures

    Loia, M.A. / Bottega, W.J. | Tema Archive | 1995
    relative stiffness and relative length of the patch with respect to those of the base structure are examined and compared. The problems are ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    A systematic approach to evaluate the effectiveness of engine mount systems

    Rancourt, D. / Whiteford, G.P. / Lemire, J. | Tema Archive | 2003
    Cabin noise and structural vibrations are increasingly important issues in the aircraft industry. Design of improved engine mount systems ...

    CFD Application for Performance Based Safety Verification of Reinforced Concrete Beam in Computer Simulation Building Fire

    Yu, Chia-Chun / Wang, Shih-Cheng / Lin, Cherng-Shing et al. | Tema Archive | 2012
    Dynamics Simulator (FDS) fire model and PHOENICS field model software to simulate fire development and beams inner temperature variation. The ...
    Keywords: structural strength

    Characterization of polyimide foams for ultra-lightweight space structures

    Veazie, D.R. / Vincent, S. / Weiser, E. | Tema Archive | 2003
    with higher structural strength. However, if the thermal protection and lighter weight (density) is of primary concern, TEEK(trademark) foams ...

    Combined aerodynamic and structural optimization of a civil transport wing

    Röhl, P.J. / Mavris, D.N. / Schrage, D.P. | Tema Archive | 1995
    ASTROS structural optimization tool. The wing structure is sized subject to strength, buckling, and aeroelastic constraints. The buckling ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    Combustor featured fracture analysis and life prediction

    Xiong, Yuexi / Dede, Mehmet / Venkitarama, Sundaram | Tema Archive | 2006
    perspective to a structure that is under complicated mechanical and thermal loadings that cause stress levels beyond the yield strength. Different ...