[Nek5000-users] how to implement integration like (u-x, p_x) and (p_x, p_x) in Pn-Pn-2 setting

[nek5000-users at lists.mcs.anl.gov]

Hi,

One option is to interpolate (map) the pressure onto the velocity
nodes and use the mass matrix BM1.

Cheers,
Stefan

On 10/6/11, nek5000-users at lists.mcs.anl.gov
<nek5000-users at lists.mcs.anl.gov> wrote:
>   Hi NEKs,
>
> I am trying to evaluate integrations involving velocity /u/ and pressure
> /p/ in "userchk". But I am not sure what variables containing the right
> weights (mass) for integration in the Pn-Pn-2 setting. For example, for
> (/u_x, u_x/), I can use "bm1". However, for (/u_x, p_x/), what I shall
> use? so does (/p_x, p_x/)?
>
> Thank you,
> --
> *Zhu Wang*
> Department of Mathematics
> Virginia Tech
> Web: http://www.math.vt.edu/people/wangzhu/
>