Hi,
I am using the gradient_list function to calculate the velocity gradient in
x direction on the bottom wall of backward facing step and trying to output
it using the table handler.
But I am getting an exception of points not found in the coarse grid. The
points vector and the gradient vector size is 288.
Exception on processing:
--------------------------------------------------------
An error occurred in line <4343> of file
</home/kambler/soft/dealii/dealii/source/grid/grid_tools.cc> in function
std::tuple<std::vector<typename dealii::Triangulation<dim,
spacedim>::active_cell_iterator, std::allocator<typename
dealii::Triangulation<dim, spacedim>::active_cell_iterator> >,
std::vector<std::vector<dealii::Point<dim, double>,
std::allocator<dealii::Point<dim, double> > >,
std::allocator<std::vector<dealii::Point<dim, double>,
std::allocator<dealii::Point<dim, double> > > > >,
std::vector<std::vector<unsigned int, std::allocator<unsigned int> >,
std::allocator<std::vector<unsigned int, std::allocator<unsigned int> > > >
> dealii::GridTools::compute_point_locations(const
dealii::GridTools::Cache<dim, spacedim>&, const
std::vector<dealii::Point<spacedim> >&, const typename
dealii::Triangulation<dim, spacedim>::active_cell_iterator&) [with int dim
= 2; int spacedim = 2; typename dealii::Triangulation<dim,
spacedim>::active_cell_iterator =
dealii::TriaActiveIterator<dealii::CellAccessor<2, 2> >; typename
dealii::Triangulation<dim, spacedim>::active_cell_iterator =
dealii::TriaActiveIterator<dealii::CellAccessor<2, 2> >]
The violated condition was:
std::get<3>(cqmp).size() == 0
Additional information:
The point <0 0> could not be found inside any of the subcells of a
coarse grid cell.
--------------------------------------------------------
An error occurred in line <4343> of file
</home/kambler/soft/dealii/dealii/source/grid/grid_tools.cc> in function
std::tuple<std::vector<typename dealii::Triangulation<dim,
spacedim>::active_cell_iterator, std::allocator<typename
dealii::Triangulation<dim, spacedim>::active_cell_iterator> >,
std::vector<std::vector<dealii::Point<dim, double>,
std::allocator<dealii::Point<dim, double> > >,
std::allocator<std::vector<dealii::Point<dim, double>,
std::allocator<dealii::Point<dim, double> > > > >,
std::vector<std::vector<unsigned int, std::allocator<unsigned int> >,
std::allocator<std::vector<unsigned int, std::allocator<unsigned int> > > >
> dealii::GridTools::compute_point_locations(const
dealii::GridTools::Cache<dim, spacedim>&, const
std::vector<dealii::Point<spacedim> >&, const typename
dealii::Triangulation<dim, spacedim>::active_cell_iterator&) [with int dim
= 2; int spacedim = 2; typename dealii::Triangulation<dim,
spacedim>::active_cell_iterator =
dealii::TriaActiveIterator<dealii::CellAccessor<2, 2> >; typename
dealii::Triangulation<dim, spacedim>::active_cell_iterator =
dealii::TriaActiveIterator<dealii::CellAccessor<2, 2> >]
The violated condition was:
std::get<3>(cqmp).size() == 0
Additional information:
The point <17 0> could not be found inside any of the subcells of a
coarse grid cell.
PS: I am newer to using deal ii and I checked the discussion on the question
Usage of FEFieldFunction.vector_value_list on a
parallel::distributed::Triangulation posted earlier but still not able to
find the mistake.
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