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    Integrated Structural/Trim Optimization for Active Aeroelastic Wing Technology

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    AIAA-2000-4827.pdf (399.8Kb)
    Date
    2000-09
    Author
    Zink, Paul Scott
    Mavris, Dimitri N.
    Raveh, Daniella E.
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    Abstract
    A new process for concurrent trim and structural optimization of Active Aeroelastic Wing technology is presented. The new process treats trim optimization and structural optimization as integrated problems in the same mathematical formulation, in which control surface gear ratios are added as design variables to a standard structural optimization algorithm. This new approach is in contrast to most of the existing AAW design processes in which structural optimization and trim optimization are performed in an iterative, sequential manner. The new integrated AAW design process is demonstrated on a lightweight fighter type aircraft and compared to a sequential AAW design process. For this demonstration, the integrated process converges to a lower weight, and offers an advantage over the sequential process in that optimization is performed in one continuous run, whereas the sequential approach requires pausing and restarting the structural optimization to allow for trim optimization.
    URI
    http://hdl.handle.net/1853/6348
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    • Aerospace Systems Design Laboratory Publications [308]

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