All entries for Friday 16 March 2007

March 16, 2007

PhD Work– 16/03/07



After a few days of debugging the wall function method I actually have some results to show for it!

The plot below shows the base simulation. Note that on the run up the profile is turbulent but following the acceleration and separation, the profile re-laminarises.

Lille bump without flow control- Base simulation

Adding in the wall function approach allows the boundary layer to reattach whilst retaining its turbulence as shown below.

Lille bump without flow control- Wall function method

The following set of (2D) simulations are being run:

rs01-02-01: Base simulation. 2D RANS, No IBM, No WF, No TI DONE
rs01-02-04: Wall Functions. 2D RANS, No IBM, With WF, No TI
rs01-02-05: Immersed Boundary Method. 2D RANS, With IBM, No WF, No TI
rs01-02-06: Detached Eddy Simulation. 2D DES, No IBM, No WF, No TI

These should take the weekend to run so I’ll have some results to compare on Monday then I can set the 3D simulations running. (Based on the run times of these 2D sims)


Just realized that rs01-02-04 was running using a new simulation each time so hasn’t really moved on any further. Will need to re-run.

March 2007

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