class dolfin.cpp.fem.PointSource(V, p, magnitude=1.0)

Bases: object

This class provides an easy mechanism for adding a point source (Dirac delta function) to the right-hand side vector in a variational problem. The associated function space must be scalar in order for the inner product with the (scalar) Dirac delta function to be well defined.

Create point source at given point of given magnitude


Apply (add) point source to right-hand side vector


The membership flag