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Flow over a flat plate with uniform inlet and incident coherent gusts

The flow past normal and oblique flat plates was numerically investigated with steady and varying gust velocity inlets. The paper explains the quasi-periodic force response and presents a transient drag reconstruction methodology. From an engineering perspective the stabilizing fins and rudders of sub-marines/ships, down-force spoilers of race cars, mixer grids and wind turbines rarely experience an upstream uniform flow. Thus, from a practical point of view, it is very interesting, to not only understand the flow over arbitrarily inclined configurations, but also to look into a methodology for the response prediction of such complex flows.