Data-Driven Estimation of the Unsteady Flowfield Near an Actuated Airfoil
Data-Driven Estimation of the Unsteady Flowfield Near an Actuated Airfoil
复制标题
驱动翼型附近非定常流场的数据驱动估计
DOI:
10.2514/1.g004339
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
D. Paley
中科院分区:
文献类型:
--
作者:
Daniel F. Gomez;Francis D. Lagor;Phillip B. Kirk;A. Lind;Anya R. Jones;D. Paley
DMD Dynamic Mode Decomposition DMDSP Sparsity Promoting DMD POD Principal Orthogonal Decomposition SVD Singular Value Decomposition PIV Particle Image Velocimetry ψ(t) Vector of observables at time t Ψ, Ψ′ Matrices of data snapshots m Number of snapshot pairs in original data n Dimension of ψ A Approximate time evolution operator for ψ Ã Projected version of A into POD subspace UΣV∗ SVD of Ψ φi ith DMD eigenmode