// There are a few helper functions
// (<code>cell_is_in_fluid_domain,
// cell_is_in_solid_domain</code>) of
- // self-explanatory nature and a few
- // functions (<code>make_grid,
- // set_active_fe_indices,
+ // self-explanatory nature (operating on the
+ // symbolic names for the two subdomains that
+ // will be used as material_ids for cells
+ // belonging to the subdomains, as explained
+ // in the introduction) and a few functions
+ // (<code>make_grid, set_active_fe_indices,
// assemble_interface_terms</code>) that have
- // been broken out of other functions and
- // will be discussed as we get to their
- // implementation.
+ // been broken out of other functions that
+ // can be found in many of the other tutorial
+ // programs and that will be discussed as we
+ // get to their implementation.
+ //
+ // The final set of variables
+ // (<code>viscosity, lambda, eta</code>)
+ // describes the material properties used for
+ // the two physics models.
template <int dim>
class FluidStructureProblem
{
template <int dim>
double
StokesBoundaryValues<dim>::value (const Point<dim> &p,
- const unsigned int component) const
+ const unsigned int component) const
{
Assert (component < this->n_components,
ExcIndexRange (component, 0, this->n_components));