In this paper we consider the shape optimization of a transonic airfoil whose aerodynamic properties are calculated by a structured Euler solver. The optimization strategy is based on a one-shot technique in which pseudo time-steps of the primal and the adjoint solver are iterated simultaneously with design corrections done on the airfoil geometry. The adjoint solver which calculates the necessary sensitivities is based on discrete adjoints and derived by using reverse mode of automatic differentiation (AD). A design example of drag minimization for an RAE2822 airfoil under transonic flight conditions and lift constraints is included.


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    Titel :

    An Efficient One-Shot Algorithm for Aerodynamic Shape Design


    Beteiligte:


    Erscheinungsdatum :

    2010


    Format / Umfang :

    8 Seiten





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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