DOI: 10.1103/physrevfluids.5.023901
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Abstract: This paper considers single-sensor estimation of vortex shedding in cylinder wakes at Re = 100 in simulations and at Re = 1036 in experiments. A model based on harmonic decomposition is developed to capture the periodic dynamics of vortex shedding. Two model-based methods are proposed to estimate time-resolved flow fields. First, Linear Estimation (LE) which implements a Kalman Filter to estimate the flow. Second, Linear-Trigonometric Estimation (LTE), which utilizes the same Kalman Filter together with a nonl… Show more

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