1–11 of 11 hits
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    Experimental modal analysis and numerical modelling of agricultural vehicles

    Braghin, Francesco / Cheli, Federico / Genoese, Antonella et al. | Tema Archive | 2009
    axle, with a gyroscopic inertial platform to measure the motions of the cabin and with 2 tri-axial piezoelectric accelerometers on the seat ...

    Towards a wireless powering and interrogation strategy for rotorcraft health monitoring

    Bois, J.L. du / Lieven, N.A.J. / Todd, M. | Tema Archive | 2009
    these costs. While the perceived wisdom points towards structural health monitoring and prognostics as a valuable area of research, it is ...

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

    Martarelli, Milena / Santolini, Claudio / Sassaroli, Andrea | Tema Archive | 2009
    and a steel plate in order to test the stability of the loss factor calculation in dependence on test parameters. Afterwards, having ...

    Study of dynamic behaviour of aluminum automotive parts

    Richard, M.J. / Khadir, L. / Bouazara, M. | Tema Archive | 2009
    incorporated into an efficient optimization process based on the ESO (Evolutionary Structural Optimization) method. We also exploit the digital ...

    Optimization of the dynamic response of a complete exhaust system

    Lauwagie, T. / Strobbe, J. / Dascotte, E. et al. | Tema Archive | 2009
    validity of the initial FE-model. The actual optimization routine consists of two iteration loops: an inner and an outer loop. The inner iteration ...

    Application of transmissibility matrix method to NVH source contribution analysis

    Tcherniak, D. / Schuhmacher, A.P. | Tema Archive | 2009
    very much depend on a matrix defining FRFs between sources and indicators, and therefore, the calculated contributions are very much influenced ...

    Component mode synthesis using reduced order, test verified components

    Butland, Adam / Avitabile, Peter | Tema Archive | 2009
    utilizes frequency and shape information acquired from modal testing to update reduced order finite element models using direct analytical model ...

    Noise reduction in truck cabin by design change of floor panel

    Okubo, Nobuyuki / Okumura, Takeshi / Toi, Takeshi et al. | Tema Archive | 2009
    cavity in order to determine the best rib position. Then the ribs on the plate are applied at the proposed best position and an efficient ...

    Vibro-acoustic simulations of ships by coupled fast BE-FE approaches

    Brunner, Dominik / Junge, Michael / Wilken, Marc et al. | Tema Archive | 2009
    the feedback of the fluid pressure onto the structure cannot be neglected and a strong coupling scheme between the fluid domain and the ...

    Feasibility of using four-post road simulator for modal analysis of a truck frame

    Sharma, B. / Swaminathan, B. / Allemang, R.J. et al. | Tema Archive | 2009
    This paper continues the evaluation of the feasibility of using a four-post road simulator to replicate operating conditions and perform ...

    Ares I-X Launch Vehicle Modal Test Overview

    Buehrle, Ralph D. / Bartolotta, Paul A. / Templeton, Justin D. et al. | NTRS | 2010
    system. Flight test data will provide important information on ascent loads, vehicle control, separation, and first stage reentry dynamics. As ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Launch Vehicles And Launch Operations