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Filtering by: Subject Nails and spikes -- Testing -- Mathematical models Remove constraint Subject: Nails and spikes -- Testing -- Mathematical models Academic Affiliation Mechanical Engineering Remove constraint Academic Affiliation: Mechanical Engineering

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  • High cycle fatigue modeling and analysis for deck floor truss connection details

    Creator:
    DePiero, Anthony H.
    Abstract:
    The Oregon Department of Transportation is responsible for many steel deck truss bridges containing connection details that are fatigue prone. A typical bridge, the Winchester Bridge in Roseburg, Oregon, was analyzed to assess the loading conditions, stress levels, and fatigue life of the connection details. The analysis included linear-elastic beam...
    Resource Type:
    Masters Thesis
    Full Text:
    FEA MODEL 24 4.3 RESULTS 29 5.0 DEFLECTION AND STRESS ANALYSIS 33 5.1 CLIP ANGLE DEFLECTION

  • Optimal soaring by a small autonomous glider

    Creator:
    Kyle, Jason A.
    Abstract:
    Extending the flight time of an autonomous unmanned air vehicle by soaring is considered. A suboptimal controller is developed and successful static soaring is demonstrated with a 6 degree of freedom glider model. Altitude gain rates of between ¼ and ½ m/s are achieved with this simple implementation. A hybrid...
    Resource Type:
    Dissertation
    Full Text:
    micro air glider. 8 GLIDER MATHEMATICAL MODEL The glider is modeled as a rigid body, and