Abstract
Abstract The unsteady viscous incompressible Navier-Stokes flow in a driven cavity is studied with particular attention to the formation and evolution of vortices and eddies. These are compared in the limit to previous steady flow simulations. Results include new details of the dynamics of secondary eddy separation and subsequent coalescence into sub-primary vortices, and the fine structure of deep cavity flow. Enhanced flow topography is obtained by means of pressure and kinetic energy portraits.
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