Ball computeBoundingBall() const override
bool intersect(const libMesh::Plane &pl, Point &intersect_p) const
Derived class for 2-node edge elements LineSegment is listed first so it is initialized before SBMBnd...
Base class for SBM boundary elements.
const Point & normal() const
Getter for the normal vector.
const Elem & elem() const
Getter for the underlying element.