Journal
PHYSICS OF FLUIDS
Volume 18, Issue 6, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2211705
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A new method, enabling the computation of steady solutions of the Navier-Stokes equations in globally unstable configurations, is presented. We show that it is possible to reach a steady state by damping the unstable (temporal) frequencies. This is achieved by adding a dissipative relaxation term proportional to the high-frequency content of the velocity fluctuations. Results are presented for cavity-driven boundary-layer separation and a separation bubble induced by an external pressure gradient.
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