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Modal Analysis of Viscous Flow and Reduced Order Models


[ 1 ] Instytut Silników Spalinowych i Transportu, Wydział Maszyn Roboczych i Transportu, Politechnika Poznańska | [ P ] employee

Year of publication


Published in

Vibrations in Physical Systems

Journal year: 2014 | Journal volume: vol. 26

Article type

scientific article

Publication language


  • Reduced Order Models
  • ROM
  • Galerkin method
  • modal analysis
  • POD
  • DMD
  • stability

EN Phenomena occurring in the flows are very complex. Their interpretation, as well as an effective impact on them in the flow control is often only possible with the use of modal analysis and low-dimensional models. In this paper, the selected modal decomposition techniques, namely Proper Orthogonal Decomposition (POD), Dynamic Mode Decomposition (DMD) and global stability analysis, are briefly introduced. The design of Reduced Order models basing on Galerkin projection is presented on the example of the flow past a bluff body. Finally, the issues of widening of the application of the models are addressed.

Pages (from - to)

223 - 228


Presented on

XXVI Symposium Vibrations in Physical Systems, 4-8.05.2014, Będlewo, Poland

License type

CC BY (attribution alone)

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