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Characterization of unsteady flow behavior by linear stability analysis

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Academic year: 2021

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Fig. 1.2 Schematic evolution of a perturbation close to x = 0 in the space-time plane (x, t), for a one-dimensional base flow with advection from left to right, in the case where the base flow is (a): absolutely unstable, (b): convectively unstable.
Fig. 2.4 Evolution of the residual norm with respect to the number of quasi-Newton iterations, for the impinging test case.
Fig. 2.5 Density field of the impinging jet base flow, computed with the quasi-Newton method.
Fig. 2.9 Evolution of the growth rate of mode A (circles) and mode B (triangles) with respect to the Reynolds number.
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