What is Gauss linear upwind?
Hi,
i have a question concerning an existing case i didn't create by myself, but I have to use it. There's a divScheme i don't understand: div((nuEff*def(grad(U).T()))) Gauss linear upwind; I know linear is second order interpolation. I know upwind is first order interpolation. But I don't know how this one behaves and which on the argument of the other one is. Could someone tell me something like Gauus <interpolationScheme> <...>? Gauss <...> <interpolationScheme>? Thanks for your help, okroud 
You could check out the source code for it here:
Code:
/src/finiteVolume/lnInclude/linearUpwind.C 
Thanks. So you think that linear upwind is the same as linearUpwind and therefore a second Order Scheme?

I'm not completely sure. I've actually never seen anything with that particular syntax. I've seen
Code:
Gauss linear Code:
Gauss linearUpwind phi 
Quote:
I'd realy like to understand the mathematical background of some of the schemes by watching the sourcecode, is there any source or work where the schemes are mathematically further explained? 
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