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Flowing over backward-facing steps with a cavity. (Russian) Zbl 1040.86006
Summary: Using a simple model for a turbulent flow, we numerically show that the size of the flow separation region behind a backward-facing step is increased if there is a cavity behind the step. If the width of the cavity is decreased, the size of the flow separation region is increased until a separate vortex in the cavity.
MSC:
86A10 Meteorology and atmospheric physics
76F10 Shear flows and turbulence
76M20 Finite difference methods applied to problems in fluid mechanics
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