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Article Dans Une Revue Journal of Fluids Engineering Année : 2006

A reconstruction method for the flow past an open cavity

Résumé

In this paper we propose a method to reconstruct the flow at a given time over a region of space using partial instantaneous measurements and full-space proper orthogonal decomposition (POD) statistical information. The procedure is tested for the flow past an open cavity. 3D and 2D POD analysis are used to characterize the physics of the flow. We show that the full 3D flow can be estimated from a 2D section at an instant in time provided that some 3D statistical information — i.e., the largest POD modes of the flow — is made available.

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Dates et versions

hal-00108761 , version 1 (23-10-2006)

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B. Podvin, Y. Fraigneau, F. Lusseyran, Pierre Gougat. A reconstruction method for the flow past an open cavity. Journal of Fluids Engineering, 2006, 128, pp.531-540. ⟨10.1115/1.21751⟩. ⟨hal-00108761⟩
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