Adaptive infill sampling criterion for multi-fidelity optimization based on Gappy-POD |
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Authors: | Tariq Benamara Piotr Breitkopf Ingrid Lepot Caroline Sainvitu |
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Abstract: | This paper presents a reformulation of the “Gappy Proper Orthogonal Decomposition” (Gappy-POD) multi-fidelity modeling approach and proposes an enrichment criterion associated with an adaptive infill algorithm. The latter is here applied to the study of the flight domain of the RAE-2822 transonic airfoil at two different levels of accuracy to demonstrate its ability to detect areas in a two-dimensional design space where the surrogate model needs improvement to better drive the optimization process. |
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