Now it fails at the line
evaluation_point.add (alpha, newton_update);
with the comment
--------------------------------------------------------
An error occurred in line <1927> of file
</opt/dealII/include/deal.II/lac/trilinos_vector.h> in function
void dealii::TrilinosWrappers::MPI::Vector::add(dealii::TrilinosScalar,
const dealii::TrilinosWrappers::MPI::Vector&)
The violated condition was:
!has_ghost_elements()
Additional information:
You are trying an operation on a vector that is only allowed if the vector
has no ghost elements, but the vector you are operating on does have ghost
elements. Specifically, vectors with ghost elements are read-only and cannot
appear in operations that write into the
se vectors.
See the glossary entry on 'Ghosted vectors' for more information.
Stacktrace:
-----------
#0 main: dealii::TrilinosWrappers::MPI::Vector::add(double,
dealii::TrilinosWrappers::MPI::Vector const&)
#1 main: Step15::MinimalSurfaceProblem<2>::compute_residual(double)
#2 main: Step15::MinimalSurfaceProblem<2>::run()
#3 main: main
--------------------------------------------------------
Calling MPI_Abort now.
To break execution in a GDB session, execute 'break MPI_Abort' before running.
You can also put the following into your ~/.gdbinit:
set breakpoint pending on
break MPI_Abort
set breakpoint pending auto
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 1 in communicator MPI_COMM_WORLD
with errorcode 255.
Looks as if I have to check both vectors for ghost elements before...
Thanks!
Am Freitag, 8. September 2017 14:48:34 UTC+2 schrieb Bruno Turcksin:
>
> 2017-09-08 8:35 GMT-04:00 'Maxi Miller' via deal.II User Group
> <[email protected] <javascript:>>:
> > Nevertheless, it did not fix the problem...
> This won't fix any thing. I am just surprise that your code goes as
> far as the l2_norm(), I think that it should crash earlier. What
> happens if you comment these line
>
> for (unsigned int i=0; i<dof_handler.n_locally_owned_dofs(); ++i)
> if (boundary_dofs[i] == true)
> residual(i) = 0;
> residual.compress(VectorOperation::insert);//Have to call it after
> setting the boundary elements
>
>
> Best,
>
> Bruno
>
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