>
> Then you need to create a vector with locally relevant entries as ghosts
> and
> copy your fully distributed vector to it. There is no other way if you
> want to
> use that function.
>
> But if your goal is to fix the pressure in a Stokes problem, it doesn't
> have
> to be the integral
On 1/12/21 9:18 AM, Konrad Simon wrote:
Thank you, Wolfgang, that was the issue. I am using the mean value function
at several different places in my code. One of them is inside a preconditioner
vmult that accepts only a fully distributed vector. Is there also a simple
workaround?
Then
>
> I suspect you are passing a fully distributed vector to that function, but
> it
> needs to read ghost elements of the vector. Have you tried copying the
> vector
> into a locally_relevant vector, and passing that to the function in
> question?
>
Thank you, Wolfgang, that was the issue.
On 1/10/21 12:43 PM, Konrad Simon wrote:
).
Using one MPI rank is fine but if I use more I get the error
"An error occurred in line <666> of file
in function
dealii::TrilinosScalar
dealii::TrilinosWrappers::MPI::Vector::operator()(dealii::TrilinosWrappers::MPI::Vector::size_type)
const
Dear all,
I am trying to compute the mean value of the pressure component of a
Trilinos block vector with three blocks and 7 components
(vorticity-velocity-pressure).
Using one MPI rank is fine but if I use more I get the error
"An error occurred in line <666> of file
in
function
