Input-output analysis of high-speed axisymmetric isothermal jet noise

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Spectral proper orthogonal decomposition and its relationship to dynamic mode decomposition and resolvent analysis (2017, methodology): “Perhaps the most straight-forward approach, used for example by Jeun et al. (2016), is to use simulation data to compute η, estimate η̂ using a single DFT of the time series, and calculate the expansion coefficients using their definition in (5.16).”
Modal Analysis of Fluid Flows: An Overview (2017, background): “Flows that have been analyzed in terms of the most amplified (forced) modes include, among others, canonical flows such as boundary layers, Couette and Poiseuille flows [199,201], jets [196,197,202,203], backward-facing steps [204], and cavity flows [205].”
Wavepackets and trapped acoustic modes in a turbulent jet: coherent structure eduction and global stability (2017, background): “Recent studies based on the resolvent operator (Garnaud et al. 2013b; Jeun et al. 2016; Semeraro et al. 2016; Tissot et al. 2017; Qadri & Schmid 2017) furthermore showed that, due to the non-normal nature of the operator, the K-H instability can be forced efficiently through the Orr-mechanism.”