Step-57

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hussan zeb

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Mar 2, 2020, 9:42:06 AM3/2/20
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how can resolve this error in step-57,
Scanning dependencies of target step-57
[ 33%] Building CXX object CMakeFiles/step-57.dir/step-57.cc.o
[ 66%] Linking CXX executable step-57
[ 66%] Built target step-57
[100%] Run step-57 with Debug configuration
grid refinements: 0
viscosity: 0.1
Number of active cells: 432
Number of degrees of freedom: 4188 (3696 + 492)
FGMRES steps: 0
The residual of initial guess is 0


----------------------------------------------------
Exception on processing:

--------------------------------------------------------
An error occurred in line <534> of file </home/MATH/zeb/deal/dealii-9.1.1/source/grid/grid_tools_dof_handlers.cc> in function
    std::pair<typename MeshType<dim, spacedim>::active_cell_iterator, dealii::Point<dim> > dealii::GridTools::{anonymous}::find_active_cell_around_point_tolerance(const dealii::Mapping<dim, spacedim>&, const MeshType<dim, spacedim>&, const dealii::Point<spacedim>&, const std::vector<bool>&, double) [with int dim = 2; MeshType = dealii::DoFHandler; int spacedim = 2; typename MeshType<dim, spacedim>::active_cell_iterator = dealii::TriaActiveIterator<dealii::DoFCellAccessor<dealii::DoFHandler<2, 2>, false> >]
The violated condition was:
    best_cell.first.state() == IteratorState::valid
Additional information:
    The point <0.5 0.42> could not be found inside any of the subcells of a coarse grid cell.
--------------------------------------------------------

Aborting!
----------------------------------------------------
CMakeFiles/run.dir/build.make:57: recipe for target 'CMakeFiles/run' failed
make[3]: *** [CMakeFiles/run] Error 1
CMakeFiles/Makefile2:195: recipe for target 'CMakeFiles/run.dir/all' failed
make[2]: *** [CMakeFiles/run.dir/all] Error 2
CMakeFiles/Makefile2:202: recipe for target 'CMakeFiles/run.dir/rule' failed
make[1]: *** [CMakeFiles/run.dir/rule] Error 2
Makefile:170: recipe for target 'run' failed
make: *** [run] Error 2
zeb@kutta:~/deal/examples/step-57> make run

Daniel Arndt

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Mar 2, 2020, 10:08:50 AM3/2/20
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Hussan,

Do you observe this problem with the unmodified step-57 or did you change anything?
What does the full backtrace look like (running gdb)?

Best,
Daniel

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hussan zeb

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Mar 2, 2020, 10:12:24 AM3/2/20
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Yes i want to change the geometry of the problem to cylinder

hussan zeb

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Mar 2, 2020, 10:49:11 AM3/2/20
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Dear Arndt

Thank you for your email. i want to modified the geometry cavity to cylinder

Best   Zeb
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Hussan Zeb
Department of  Mathematics
Hazara University

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