I trying to mix a scalar in a turbulent flow field in order to estimate mixing times. Now I see a lot of diffusion, maybe too much. How can I distinguish numerical and real turbulent diffusion? I think I need to control the numerical scheme. Where can I do that? Which order is it anyway?
Who's responding? No one?
In the past, I used CFX-4.2 at the university. Recently, I am saddled with EFD.Lab. Very fancy, but I would like to get more grip on what's behind. To convince at least the customer and my boss......
Re: Who's responding????????
The difference scheme used is described in section 3.2 of the fundamentals.pdf document, which you can find in the list when you launch EFD from Start/All Programs.
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