Comparison of exact and approximate discrete adjoint for aerodynamic shape optimization

G. Carpentieri, M.J.L. Tooren, van, B. Koren

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    Abstract

    The effect of approximations in the discrete adjoint on constrained shape optimization is investigated. The different approximations are compared with the exact discrete adjoint, which is capable of producing exact gradient/sensitivity information. The purpose of such a comparison is to understand whether or not approximate adjoint codes can be effective for shape optimization in spite of the error in the computed gradient.
    Original languageEnglish
    Title of host publicationComputational Fluid Dynamics 2006 (Proceedings of the Fourth International Conference on Computational Fluid Dynamics, ICCFD, Ghent, Belgium, July 10-14, 2006)
    EditorsH. Deconinck, E. Dick
    Place of PublicationBerlin
    PublisherSpringer
    Pages525-530
    ISBN (Print)978-3-540-92778-5
    DOIs
    Publication statusPublished - 2009

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