21–40 of 78 hits
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    The analytical treatment of composite materials in aircraft ballistic vulnerability assessments

    Yerdon, K.M. | Tema Archive | 1995
    aircraft systems. One of the area that may significantly affect the vulnerability of the aircraft is the use of composite materials for structure ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    Temperature distribution in a CFRP box structure subject to transient heat fluxes

    Miller, J.R. / Weaver, P.M. | Tema Archive | 2001
    Finite element and analytical approaches are used to determine the transient temperature distribution through an air-filled box structure ...

    Low cost composite fabrication methods applied to low observable structure

    Guy, T.A. / Sanger, K.B. / Ruskowski, E. | Tema Archive | 1995
    syntactic foam (TPSF), and resin film infusion (RFI) technology applied to LO materials and structural configurations. The demonstration article ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Washington
    Keywords: poröser Werkstoff

    Shape measurement of a flat stretched lightweight membrane for planar antenna structure

    Tsunoda, H. / Senbokuya, Y. | Tema Archive | 2001
    to make the membrane material flat enough. This imposes significant requirements on the support structure. This paper proposes the use of a ...

    Experimental determination of local structural stiffness by disassembly of measured flexibility matrices

    Peterson, L.D. / Doebling, S.W. / Alvin, K.F. | Tema Archive | 1995
    A new method is presented for identifying the local stiffness of a structure from vibration test data. The method is based on a projection ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    Monitoring the integrity of composite patch structural repair via piezoelectric actuators/sensors

    Chaudhry, Z. / Lalande, F. / Ganino, A. et al. | Tema Archive | 1995
    throughout the service life of the structure. Described in this paper are the test methods and results of a vibration signature-based technique used ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Washington

    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 ...

    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

    Nonlinear aeroelastic behaviour of compliant airfoils

    Thwapiah, Ghalib Y. / Campanile, Flavio L. | Tema Archive | 2009
    of large deformations on aerodynamics and structure. Such an analytical approach is presented in this paper and applied to a compliant ...
    Keywords: Strukturdynamik

    Innovative Systems for Seismic Protection of Precast Industrial Buildings

    Valente, Marco | Tema Archive | 2013
    enhanced the stiffness of the structure, causing only small reductions of column rotations and top displacements. In case of severe seismic actions ...
    Keywords: nichtlineare Dynamik

    Modeling and validation of damped plexiglas windows for noise control

    Buehrle, R.D. / Gibbs, G.P. / Klos, J. et al. | Tema Archive | 2003
    Windows are a significant path for structure-borne and air-borne noise transmission in general aviation aircraft. In this paper, numerical ...

    Modeling and nonlinear analysis of a large-scale launch vehicle under combined thermal and mechanical loads

    Young, R.D. / Rankin, C.C. | Tema Archive | 1996
    Structural modeling techniques and results of nonlinear structural analyses of the Space Shuttle super-light-weight liquid oxygen (LO2 ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    Polyurethane foam injection and expansion in thin-film inflatable booms under semi-vacuum conditions

    Schoenfeld, M.P. / Tinker, M.L. | Tema Archive | 2003
    Investigations of the behavior and mechanics of polyurethane foam-filled deployable structures were conducted. These investigations were ...

    Scanning Laser Doppler Vibrometry for the characterization of the damping loss factor in honeycomb panels

    Martarelli, Milena / Santolini, Claudio / Sassaroli, Andrea | Tema Archive | 2009
    experimental technique allows us to perform an accurate and high-spatial density measurement of the surface velocity of the structure. The two methods ...

    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 ...

    Tougher concrete structures to service and protect oil and gas operations

    Moncarz, P.D. / Krstulovic-Opara, N. | Tema Archive | 2005
    likely to succeed. These design features include both structural and material level considerations. The authors discuss some of the currently ...

    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 ...

    Fatigue life prediction using multivariate gaussian process

    Mohanty, Subhasish / Chattopadhyay, Aditi / Peralta, Pedro et al. | Tema Archive | 2008
    A hybrid prognosis model is being developed for real-time residual useful life estimation of metallic aircraft structural components. The ...
    Publisher: American Institute of Aeronautics and Astronautics (AIAA) , Reston

    Reliability-based design optimization of composite and steel aerospace structures

    D'Ippolito, Roberto / Donders, Stijn / Hack, Michael et al. | Tema Archive | 2006
    above-mentioned probabilistic approach is demonstrated on two aerospace applications: a composite wing and a slat track structure. The material ...

    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. ...