International Journal of Automotive Engineering
Online ISSN : 2185-0992
Print ISSN : 2185-0984
ISSN-L : 2185-0992
Research Paper
Online Dynamic Mode Decomposition Methods for the Investigation of Unsteady Aerodynamics of the DrivAer Model (First Report)
- Validation of DMD Methods for Surface Forces -
Daiki MatsumotoMarco KiewatLukas HaagThomas Indinger
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2018 Volume 9 Issue 2 Pages 64-71


It is believed that Dynamic Mode Decomposition (DMD) is a very useful method for the analysis of unsteady aerodynamics of road vehicles. However, it seems that the conventional DMD method is not practical regarding the application on the aerodynamic design of road vehicles, since DMD computation requires massive memory. Alternatively, online DMD methods seem to be useful in practice, as those require much less memory than the conventional method. In this paper, further validation of the online DMD on the aerodynamic forces on the DrivAer model is conducted, through the comparison with results from other enhanced DMD methods and FFT.

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© 2018 Society of Automotive Engineers of Japan, Inc

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