* kind of interpolation. On the other hand, for the lowest order
* elements, the values of generating functionals are the (constant)
* tangential values of the shape functions. We would therefore really
- * like to take the mean value of the tangential values of the child
+ * like to take the mean value of the normal values of the child
* faces, and make this the value of the mother face. Then, however,
* taking a mean value of two piecewise constant function is not an
* interpolation, but a restriction. Since this is not possible, we
*
* @sect3{Numbering of the degrees of freedom (DoFs)}
*
- * Nedelec elements have their degrees of freedom on edges, with shape
- * functions being vector valued and pointing in tangential
+ * Raviart-Thomas elements have their degrees of freedom on edges, with shape
+ * functions being vector valued and pointing in normal
* direction. We use the standard enumeration and direction of edges
* in deal.II, yielding the following shape functions in 2d:
*
{
public:
/**
- * Constructor for the Nedelec
+ * Constructor for the Raviart-Thomas
* element of degree @p p.
*/
FE_RaviartThomas (const unsigned int p);