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Supercomputer computation of unsteady flow past a circular cylinder.The following videos show in detail how the flow becomes detached from a body's surface due to the rising pressure along the surface, and the resulting vortex shedding. The location where the flow separates changes with time. Governing equations were solved numerically using a supercomputer at the Institute of Space and Astronautical Science (ISAS), Japan. All videos courtesy of Professor K. Kuwahara, ISAS. Note: large files may take long download times. Details of unsteady boundary layer separation from a circular cylinder at Reynolds number 10,000.
Details of unsteady boundary layer separation from a circular cylinder at Reynolds number 100,000.
Vortex shedding as a result of boundary layer separation from a circular cylinder at Reynolds number 100,000.
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