1–20 of 116 hits
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    Experimental and theoretical study for nonlinear aeroelastic behavior of a flexible rotor blade

    Tang, D.M. / Dowell, E.H. | Tema Archive | 1992
    geometrical and freeplay structural nonlinearity. The ONERA stall aerodynamic model is used. External excitations are provided by base harmonic ...

    A review of vehicle/guideway interactions in maglev systems

    Chen, S.S. / Rote, D.M. / Coffey, H.T. | Tema Archive | 1992
    to be economically feasible. The coupled vehicle/guideway dynamics are the link between the guideway and the other maglev components. This ...

    Topology optimization of a car body with multiple loading conditions

    Fukushima, J. / Suzuki, K. / Kikuchi, N. | Tema Archive | 1992
    In various practical structural design problems, decision of a layout of structure or stiffeners in the given design space satisfying some ...

    Structural analysis of a flexible structural member protruding into an interior flow field

    Weaver, M.A. / Gramoll, K.C. / Roach, R.L. | Tema Archive | 1993
    element structural model, and a finite difference flow model form the basis of the solution method. The structure is iteratively loaded, with load ...

    Structural concepts for a lunar transfer vehicle aerobrake which can be assembled on orbit

    Dorsey, J.T. / Watson, J.J. / Tutterow, R. | Tema Archive | 1993
    integrated structure and thermal protection systems, which has a mass less than 20 percent (9040 lb) of the LTV lunar return mass. This paper ...

    Reliability analysis and quality assurance of rocket motor case considering proof testing

    Yang, J.N. / Chen, H.Y. / Chang, C.M. et al. | Tema Archive | 1993
    overall strength of the structure is large. Proof testing is shown to be ineffective if the variability of the overall structural strength is ...

    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 ...

    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 ...

    Energy-absorbing-beam design for composite aircraft subfloors

    Carden, H.D. / Kellas, S. | Tema Archive | 1993
    current study is the design and testing of subfloor structural concepts that would limit the loads transmitted to occupants to less than 20 g at ...

    Structural modeling and control using neural networks

    Juang, Jyh-Ching / Chiang, Chi-Yuan / Youssef, H.M. | Tema Archive | 1994
    through structural dynamics may deteriorate pointing accuracy or lead to instability. How to accurately model the structural dynamics and control ...

    Damage tolerance analysis of composite transport fuselage structure

    Dopker, B. / Murphy, D.P. / Ilcewicz, L. et al. | Tema Archive | 1994
    concentrations arising from such flaws affect the stable growth of damage and ultimately failure strength of the structure. The concept of a DZM is to ...
    Keywords: faserverstärkter Werkstoff

    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 ...

    Damage tolerance design of composite structures

    Graesser, D.L. / Tuttle, M.E. | Tema Archive | 1994
    used extensively in the design of metallic fuselage structures, is extended for application to a laminated composite structure. Generalized ...
    Keywords: Bruch (Material)

    The use of COSTADE in developing composite commercial aircraft fuselage structures

    Mabson, G.E. / Flynn, B.W. / Ilcewicz, L.B. et al. | Tema Archive | 1994
    teams in their efforts to develop cost effective and feasible commercial aircraft fuselage structure. This paper contains a description of the ...

    An active enginge mount with a piezoelectric stacked actuator

    Sumali, H. / Cudney, H.H. | Tema Archive | 1994
    opposite to the velocity created by the engine at the interface between the engine and the structure. This paper is focused on how the actuator ...

    Stress considerations in reduced-size aeroelastic optimization

    Karpel, M. / Brainin, L. | Tema Archive | 1994
    -out changing the coordinates. These expressions, and their derivatives with respect to structural design variables are investigated in ...

    Wing design for a civil filt-rotor transport aircraft: A preliminary study

    Rais-Rohani, M. / Baker, D.J. | Tema Archive | 1994
    -box structure, the design variables will include only structural parameters such as thickness and orientation angles of the upper and lower ...

    Identification of nonlinear micron-level mechanics for a precision deployable joint

    Bullock, S.J. / Peterson, L.D. | Tema Archive | 1994
    The experimental identification of micron-level nonlinear joint mechanics and dynamics for a pin-clevis joint used in a precision, adaptive ...

    ASTROS for reliability-based multidisciplinary structural analysis and optimization

    Luo, Xiaodong / Grandhi, R.V. | Tema Archive | 1995
    In conducting multidisciplinary structural optimization, there is uncertainty and randomness in he input information of finite element ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    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