[phuchuynh]

Hi everyone,

I have confused between "linearUpwind" and "linearUpwindV". I dont know that as using the "linearUpwindV", it is better than use "linearUpwind" ? Could help me the formula of "linearUpwindV" method ?
The word "V" in linearUpwindV ", which is the vector ?

Thanks

Phuc.

[Bazinga]

I don't know the exact formulation of the different schemes, but some of your questions are answered in the OF UserGuide:
http://cfd.direct/openfoam/user-guide/fvschemes/

[fede32]

Originally Posted by Bazinga

I don't know the exact formulation of the different schemes, but some of your questions are answered in the OF UserGuide:
http://cfd.direct/openfoam/user-guide/fvschemes/

From the user guide:
‘V’-schemes are specialised versions of schemes designed for vector fields. They differ from conventional schemes by calculating a single limiter which is applied to all components of the vectors, rather than calculating separate limiters for each component of the vector. The ‘V’-schemes’ single limiter is calculated based on the direction of most rapidly changing gradient, resulting in the strongest limiter being calculated which is most stable but arguably less accurate.