Enablers for robust POD models

@article{Bergmann2009EnablersFR,
  title={Enablers for robust POD models},
  author={Michel Bergmann and Charles-Henri Bruneau and Angelo Iollo},
  journal={J. Comput. Physics},
  year={2009},
  volume={228},
  pages={516-538}
}
This paper focuses on improving the stability as well as the approximation properties of Reduced Order Models (ROM) based on Proper Orthogonal Decomposition (POD). The ROM is obtained by seeking a solution belonging to the POD subspace and that at the same time minimizes the Navier-Stokes residuals. We propose a modified ROM that directly incorporates the pressure term in the model. The ROM is then stabilized making use of a method based on the fine scale equations. An improvement of the POD… CONTINUE READING

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