Qiong,
It's not sufficient to include deal.II's include files but you need to link
the library target. Have a look at
https://www.dealii.org/current/users/cmake_user.html.
Best,
Daniel
On Wed, Sep 7, 2022 at 9:38 PM jim wo wrote:
> and at the same time, I write the codes and it comes "the
>
Hi all,
I was upgrading the 9.4 and I needed to include GMSH for a project I am
working on so I can use the API in my dealii code. I am getting the
following error despite getting the all clear from CMAKE. How can I fix
this , are there version limits on GMSH? I did notice this line* "netgen,
I am using DG elements and if I want to query the average of my vector
solution across the interface I can do something like :
std::vector> old_velocity_averages(n_q_points);
fe_iv[velocities].get_average_of_function_values(solution_np0,old_velocity_averages);
which gives me the average of
Matthew,
I don't know if the missing references are due to missing components in
your gmsh installation (but I wouldn't be surprised).
In any way, *"netgen, tetgen and blas support has to be enabled in Gmsh" *
relates to CMake options when building gmsh from source, e.g.,
Daniel
thank you very much，you are so kind，God bless you.
best
qiong
Daniel Arndt 于 2022年9月8日周四 21:41写道：
> Qiong,
>
> It's not sufficient to include deal.II's include files but you need to
> link the library target. Have a look at
> https://www.dealii.org/current/users/cmake_user.html.
>
>
On 9/8/22 04:40, Abbas wrote:
I want the average of (uu) which is = u1*u1/2 +u2*u2/2 but I don't know
how to get it.
Do I understand right that u1 and u2 are vectors, and when you say
u1 * u1
you mean the outer product of a vector with itself, forming a tensor?
Best
W.
--
Thanks for the reply. I tried building from source a couple times and no
luck. I see tetgen and netgen in the cmake output but not blas
Anyone do this recently? I have LAPACK debian package but that does not
seem to do the job. I think this is my issue is BLAS is missing but not
sure how to
