Dear Jacob,
You should have a look at step-8
<https://www.dealii.org/current/doxygen/deal.II/step_8.html>, for example. In
assemble_system() some local material properties are computed by evaluating
some functions at all cell quadrature points:
FEValues<dim> fe_values(fe, quadrature_formula, update_quadrature_points | …);
for (const auto &cell : dof_handler.active_cell_iterators())
{
fe_values.reinit(cell);
…
lambda.value_list(fe_values.get_quadrature_points(), lambda_values);
}
So fe_values.get_quadrature_points() returns the real positions of the
coordinates at the integration points.
Best,
Jean-Paul
> On 17 Jul 2019, at 23:57, Aquaman <[email protected]> wrote:
>
> Dear all
>
> What I'm looking for is the global coordinate of the this Integrated Point
> which the stress, strain, residual, and tangent are calculated based on.
>
> I guess a command like in Abaqus UMAT: COORD(3)
>
> But How I can get the X,Y,Z components in DEALII?
>
> Thanks in advance,
>
> Jacob
>
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