[r2d2]

Hi,
I am a new user of OpenFoam and I am interested in LES, in general. Thought I should start with channelOodles and then with oodles...and a simple cold-flow "jet" with a 3D block geometry generated with blockMesh. Then, for oodles, I experienced the same problems as another member in the discussion group ( Co growing, inexplicably and then the code blows). This was until I used the "smooth" delta in "turbulenceProperites" dict with Samgorinsky. My question is regarding this soomthed delta, what does it do? (I remember seeing something about it but I just cannot find the message or the thread anymore)
Thanks,
Radu