Hello Daniel,

Thanks for your help again. So the weakly divergence-free velocity is not

computed in Step-35.


Best,
Jiaqi

2016-07-30 6:12 GMT-04:00 Daniel Arndt <d.ar...@math.uni-goettingen.de>:

> Jiaqi,
>
> the algorithm in step-35 is the one that is proposed in
> "L. Timmermans, P. Minev, and F. Van De Vosse, “An approximate projec-
> tion scheme for incompressible flow using spectral elements”, International
> journal for numerical methods in fluids, vol. 22, no. 7, pp. 673–688,
> 1996."
>
> The velocity that is solved for is the auxiliary one. You can recover the
> "true"
> weakly divergence-free velocity by the correction you mentioned.
> Notice that the divergence-free velocity is eliminated from the equation
> for the
> auxiliary velocity.
>
> Best,
> Daniel
>
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-- 
Jiaqi Zhang
Graduate student
Department of Mathematics
Virginia Tech

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