Traditionally, the optimization of a turbomachinery engine casing for tip clearance has involved either two-dimensional transient thermomechanical simulations or three-dimensional mechanical simulations. This paper illustrates that three-dimensional transient whole-engine thermomechanical simulations can be used within tip clearance optimizations and that the efficiency of such optimizations can be improved when a multifidelity surrogate modeling approach is employed. These simulations are employed in conjunction with a rotor suboptimization using surrogate models of rotor-dynamics performance, stress, mass and transient displacements, and an engine parameterization.


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    Titel :

    Multifidelity Multidisciplinary Whole-Engine Thermomechanical Design Optimization


    Beteiligte:
    Toal, David J. J. (Autor:in) / Keane, Andy J. (Autor:in) / Benito, Diego (Autor:in) / Dixon, Jeffery A. (Autor:in) / Yang, Jingbin (Autor:in) / Price, Matthew (Autor:in) / Robinson, Trevor (Autor:in) / Remouchamps, Alain (Autor:in) / Kill, Norbert (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2014-09-12


    Format / Umfang :

    13 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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    March, A. / Willcox, K. / American Institute of Aeronautics and Astronautics; International Society for Structural and Multidisciplinary Optimization | British Library Conference Proceedings | 2012



    A Bayesian-Based Approach to Multifidelity Multidisciplinary Design Optimization

    Allaire, D. / Willcox, K. / Toupet, O. et al. | British Library Conference Proceedings | 2010


    A Bayesian-Based Approach to Multifidelity Multidisciplinary Design Optimization

    Allaire, Douglas / Willcox, Karen / Toupet, Olivier | AIAA | 2010