> I am now in trouble. In facts, I want to reach the shape gradient of a > random point in a cell. with the FEValues class I can just get gradient, > but for a quadrature point. > > I have found the FiniteElement Class which has a shape_grad(int, > Point<dim>, i) member. But I don´t know how I can link it with a > active_cell_iterator.
That's not trivial, and is in fact exactly what the FEValues class is doing. > Do someone has an Idea how I can manage this. If you want this for a random location, use the FEFieldFunction class. W. ------------------------------------------------------------------------- Wolfgang Bangerth email: [email protected] www: http://www.math.tamu.edu/~bangerth/ _______________________________________________ dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii
