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On Aerodynamic Design with a POD Surrogate Model

In: Variational Analysis and Aerospace Engineering

Author

Listed:
  • Valentina Dolci

    (Politecnico di Torino)

  • Renzo Arina

    (Politecnico di Torino)

Abstract

Three surrogate models, or reduced-order models (ROMs), are constructed using the proper orthogonal decomposition (POD) applied in the parameter space. We use a reduced snapshot set adopting full and fractional factorial planes together with quadtree distribution for the initial positioning of the snapshots. To compute the POD coefficients, response surface methodology is employed. In the first application a ROM is constructed in order to analyze the subsonic flow past a two-dimensional airfoil. The second example regards a transonic two-dimensional flow in a five-dimensional shape parameter space. In the last case a surrogate model for database generation considering a three-dimensional aircraft configuration is constructed. In all the three cases a posteriori error estimates were performed and the surrogate models showed good agreement with the CFD reference solution.

Suggested Citation

  • Valentina Dolci & Renzo Arina, 2016. "On Aerodynamic Design with a POD Surrogate Model," Springer Optimization and Its Applications, in: Aldo Frediani & Bijan Mohammadi & Olivier Pironneau & Vittorio Cipolla (ed.), Variational Analysis and Aerospace Engineering, pages 219-246, Springer.
    • Handle: RePEc:spr:spochp:978-3-319-45680-5_9
    DOI: 10.1007/978-3-319-45680-5_9
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