Base class for SBM boundary elements.
const Point & normal() const
Getter for the normal vector.
const Elem & elem() const
Getter for the underlying element.
Derived class for 3-node triangular elements (Tri3) Triangle is listed first so it is initialized bef...
bool intersect(const LineSegment &l, libMesh::Point &intersect_p) const
Ball computeBoundingBall() const override