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Some results of CFD2k simulations: 1. Backward facing step flow with transient start-up phase: Animation of the transient start-up phase. Field contour of x-velocities Averaged solution at steady state conditions with dt_Avg=3msec. Field contour of x-velocities with vectors Transient bahaviour of globally averaged velocities and mass (averaged over whole domain) Download the CGNS-grid file:   back_step.cgns Download the CFD2k input-file: back_step.inp 2. Asymmetric double injection at start-up: Animation of the transient start-up phase. Field contour of static pressure. When injection starts pressure waves are generated. Transient bahaviour of globally averaged velocities and mass (averaged over whole domain). A restart was performed after 2.5e-4sec (59. Iteration)  Download the CGNS-grid file:   double_inj.cgns Download the CFD2k input-file: double_inj.inp 3. Transient flow in a staggered expansion: Animation: Fluctuating expansion flow (staggered nozzle) Averaged solution with dt_Avg=1.73e-02sec. Field contour of x-velocities with vectors Transient bahaviour (large scale fluctuations) of globally averaged velocities and mass (averaged over whole domain). Download the CGNS-grid file:   stagger_expand.cgns Download the CFD2k input-file: stagger_expand.inp Copyright © 2007 Dr. Blazenko Ivancic Visitors since December 2007: