Hi Wolfgang
I tried DataPostprocessorTensor as soon as the commits merged in. It is
easy to use, I really like it! Thank you! Unfortunately there is still a
bug that I couldn't figure out, which is basically the same as my previous
post: after successfully writing the output, the program aborts with the
following message:
--------------------------------------------------------
An error occurred in line <104> of file
</home/jie/dealii/source/base/subscriptor.cc> in function
void dealii::Subscriptor::check_no_subscribers() const
The violated condition was:
counter == 0
Additional information:
(none)
Stacktrace:
-----------
#0 /home/jie/dealii-latest/lib/libdeal_II.g.so.9.0.0-pre:
dealii::Subscriptor::check_no_subscribers() const
#1 /home/jie/dealii-latest/lib/libdeal_II.g.so.9.0.0-pre:
dealii::Subscriptor::~Subscriptor()
#2 /home/jie/dealii-latest/lib/libdeal_II.g.so.9.0.0-pre:
dealii::DataPostprocessor<2>::~DataPostprocessor()
#3 ./main: IFEM::LinearElasticSolver<2>::output(unsigned int) const
#4 ./main:
IFEM::LinearElasticSolver<2>::runStatics(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&)
#5 ./main: main
--------------------------------------------------------
Aborted (core dumped)
This looks like the early destruction bug in step 6, but I couldn't think
of any similar mistake in my program. I basically copied your
StrainPostprocessor class in data_out_postprocessor_tensor_01.cc, and used
it like this:
std::vector<DataComponentInterpretation::DataComponentInterpretation>
> interpretation(dim,
> DataComponentInterpretation::component_is_part_of_vector);
> data.add_data_vector(this->dofHandler, this->solution,
> std::vector<std::string>(dim, "displacement"), interpretation);
> StrainPostprocessor<dim> strain;
> data.add_data_vector(this->dofHandler, this->solution, strain);
>
> data.build_patches();
> data.write_vtu(out);
Thanks
Jie
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