41–60 von 96 Ergebnissen
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    Finite element formulation of a three-node spatially curved and twisted beam

    Aminpour, M.A. / Padhye, U.V. | Tema Archiv | 1996
    Curved and twisted structural beam elements are used in many applications. Arches and hooks are examples of curved beams whereas turbine ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    A numerical investigation of the stability and post-flutter response of a 2D nonlinear airfoil in longitudinal atmospheric turbulence

    Poirel, D.C. / Price, S.J. | Tema Archiv | 1996
    The effect of longitudinal atmospheric turbulence on the flutter and post-flutter dynamics of a two-dimensional airfoil with a structural ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    Inclusion of transverse shear deformation in optimum design of aircraft wing panels

    Williams, P.W.L. / Williams, F.W. / Kennedy, D. | Tema Archiv | 1996
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston
    Schlagwörter: Scherung (Werkstoff)

    Optimization of analysis methods for space shuttle orbiter RCC hardware

    Chi, C.T. / Okino, D. / McCleary, B. | Tema Archiv | 1996
    materials used to protect the Orbiter in the nose cap and wing leading edge areas during its high heating reentry phase of each Space Shuttle ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    Formulation of a comprehensive aeroelastic analysis for tiltrotor aircraft

    Srinivas, V. / Chopra, I. | Tema Archiv | 1996
    predict the performance, vibratory loads, and aeroelastic stability of composite-coupled advanced geometry tiltrotors including the effects of ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    Recent enhancements to PANDA2

    Bushnell, D. | Tema Archiv | 1996
    PANDA2 is a computer program for the minimum weight design of stiffened, composite, flat or cylindrical, perfect or imperfect panels and ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    A thin tailored composite wing box for a civil tiltrotor transport aircraft

    Brunson, S.L. / Rais-Rohani, M. | Tema Archiv | 1996
    -chord ratio is considered. The wing box is designed for minimum structural weight subject to local constraints according to material strength ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    A cascade optimization strategy for solution of difficult multi-disciplinary design problems

    Patnaik, S.N. / Coroneos, R.M. / Hopkins, D.A. et al. | Tema Archiv | 1996
    successfully solved at least one third of the examples. It was realized that improvement to search directions and step lengths, available in the ten ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    Integration of a generic flight control system into ASTROS

    Volk, J. / Ausman, J.D. | Tema Archiv | 1996
    During the preliminary design of modern air vehicles, accurate representation of flight control logic in structural design is imperative to ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    A comparison of optimization formulations for design minimization of aircraft interior noise

    Crane, S.P. / Cunefare, K.A. / Engelstad, S.P. et al. | Tema Archiv | 1996
    were subject to upper and lower bounds on the design variables, the structural shell element thickness. All analyses were performed at a single ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    Finite element modeling of open-section composite beams with warping restraint effects

    Floros, M.W. / Smith, E.C. | Tema Archiv | 1996
    Open-section composite beams are used in a wide variety of aerospace applications. These structures exhibit high bending stiffness with ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    Space program supporting technologies: structures, materials, and signal processing

    Schutzenhofer, L.A. / Blalock, S.J. / Johnston, L. et al. | Tema Archiv | 1995
    analysis, fracture mechanics, structural testing, structural dynamics, vibroacoustics, and probabilistics. It is demonstrated that each technology ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    ASTROS for reliability-based multidisciplinary structural analysis and optimization

    Luo, Xiaodong / Grandhi, R.V. | Tema Archiv | 1995
    In conducting multidisciplinary structural optimization, there is uncertainty and randomness in he input information of finite element ...
    Verlag: 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 Archiv | 1995
    A combined procedure for the aerodynamic and structural optimization of a High-Speed Civil Transport wing is presented. Primary goal of the ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    An analysis of flutter suppression using adaptive materials including power consumption

    Layton, J.B. | Tema Archiv | 1995
    Adaptive materials have shown promise for use in aeroelastic applications. One of these applications is flutter suppression. This paper ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    An examination of the gust response of a finite span wing with respect to structural and geometric parameters

    Layton, J.B. | Tema Archiv | 1995
    This paper examines the gust response of a finite span wing model with respect to structural and geometric parameters. Past studies into ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    A coupled helicopter rotor/fuselage aeroelastic response model for ACSR

    Chiu, T. / Friedmann, P.P. | Tema Archiv | 1995
    dynamics and sensitivity. The role of non-structural mass for obtaining correct estimates for the lower fuselage frequencies is also addressed. The ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    Development and application of nonlinear elastomeric and hydraulic lag damper models

    Tarzanin, F.J. / Panda, B. | Tema Archiv | 1995
    Boeing Helicopters has developed and incorporated a nonlinear lag damper model into the TECH-01 interdisciplinary rotor analysis program ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    Simultaneous optimization for sizing and flight trajectory of a sailplane

    Suzuki, S. / Kawamura, N. | Tema Archiv | 1995
    This paper considers a simultaneous optimization for an aircraft design and a flight trajectory optimization problem. The two optimization ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    An investigation of the total least-squares criteria in time domain based, parameter identification for flight flutter testing

    Pinkelman, J.K. / Batill, S.M. / Kehoe, M.W. | Tema Archiv | 1995
    Parameter identification of time series models for linear dynamic structural systems using the least squares and total least squares ...
    Verlag: American Institute of Aeronautics and Astronautics (AIAA) , Washington
    Schlagwörter: Dynamik