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Reduced-order modeling for unsteady transonic flows around an airfoil
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10.1063/1.2800042
/content/aip/journal/pof2/19/11/10.1063/1.2800042
http://aip.metastore.ingenta.com/content/aip/journal/pof2/19/11/10.1063/1.2800042
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Instantaneous Mach number field and nondimensional pressure coefficient as a function of time, near the leading edge (black) and near the trailing edge (gray) at and (flow A).

Image of FIG. 2.
FIG. 2.

Normalized eigenvalues (left axis—solid lines) and statistical content of the reduced-order basis (right axis—dashed lines) as a function of mode number in flows A and B .

Image of FIG. 3.
FIG. 3.

(Color online) First four odd spatial POD modes associated to pressure in flow A (, ), where the von Kármán instability interacts with the buffet phenomenon. Positive (negative) values are denoted by solid (dashed) lines.

Image of FIG. 4.
FIG. 4.

First four odd normalized POD dynamics (flow A): references issued from high-order database projections and prediction by 16-mode ROM (solid lines).

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/content/aip/journal/pof2/19/11/10.1063/1.2800042
2007-11-08
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Reduced-order modeling for unsteady transonic flows around an airfoil
http://aip.metastore.ingenta.com/content/aip/journal/pof2/19/11/10.1063/1.2800042
10.1063/1.2800042
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