Dear Wolfgang,
Moreover I have another problem. I want to loop over cells and calculate
stress at each cell.
so I write below lined in stress_strain_nodal_values method:
const PrimalSolver<dim> &primal_solver = *this;
typename DoFHandler<dim>::active_cell_iterator
cell =
primal_solver.dof_handler.begin_active(),
endc =
primal_solver.dof_handler.end();
for (; cell!=endc; ++cell)
{
.....
}
Inside loop how can access fe_values from this pointer to reinit(cell) it
for each cell.
Thanks
Elena
On Friday, November 25, 2016 at 12:14:57 AM UTC+1, Elena Greco wrote:
>
> Dear Wolfgang;
>
> it returns below error:
> error: no match for call to '(const dealii::SmartPointer<const
> dealii::Quadrature<2>, void>) ()'
> this->PrimalSolver<dim>::quadrature();
>
> Best regards.
> Elena
>
> On Thursday, November 24, 2016 at 4:12:24 PM UTC+1, Wolfgang Bangerth
> wrote:
>>
>>
>> Elena,
>>
>> > I would like to modify step-14 and calculate stress at nodes, but I
>> found
>> > step-14 complicated and also unfortunately my c++ is not good :(
>>
>> Yes, step-14 is not the best example of a tutorial program :-(
>>
>>
>> > I would like to add stress_strain_nodal_values method to classes Base,
>> > PrimalSolver and WeightedResidual ( similar to output_solution() ) then
>> inside
>> > template <int dim> void Framework<dim>::run (const ProblemDescription
>> > &descriptor) invoke it by solver->stress_strain_nodal_values()
>> >
>> > The problem is if I do so, inside stress_strain_nodal_values() method I
>> can
>> > not extract required data to calculate stresses from this pointer. For
>> example
>> > this->quadrature returns ambiguity error or I do not have access to
>> fe_value
>> > to calculate stress.
>>
>> What exactly is the error? You may have to qualify access as in
>> this->PrimalSolver<dim>::quadrature ()
>> to specify whether you want the quadrature formula from the primal or
>> dual
>> solver. Similarly for the other variables and functions that are declared
>> in
>> the base class.
>>
>> Best
>> W.
>>
>> --
>> ------------------------------------------------------------------------
>> Wolfgang Bangerth email: [email protected]
>> www: http://www.math.colostate.edu/~bangerth/
>>
>>
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