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On the Potential of a Multi-Fidelity G-POD Based Approach for Optimization and Uncertainty Quantification

[+] Author Affiliations
David J. J. Toal

University of Southampton, Southampton, UK

Paper No. GT2014-25184, pp. V02BT45A002; 14 pages
doi:10.1115/GT2014-25184
From:
  • ASME Turbo Expo 2014: Turbine Technical Conference and Exposition
  • Volume 2B: Turbomachinery
  • Düsseldorf, Germany, June 16–20, 2014
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4561-5
  • Copyright © 2014 by ASME

abstract

Traditional multi-fidelity surrogate models require that the output of the low fidelity model be reasonably well correlated with the high fidelity model and will only predict scalar responses. The following paper explores the potential of a novel multi-fidelity surrogate modelling scheme employing Gappy Proper Orthogonal Decomposition (G-POD) which is demonstrated to accurately predict the response of the entire computational domain thus improving optimization and uncertainty quantification performance over both traditional single and multi-fidelity surrogate modelling schemes.

Copyright © 2014 by ASME

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