Face classes
==========================

This class represents faces of 2D and 3D elements.
The are used to store and compute surface loads on elements.

Future applications will include contact.

The :code:`Faces` class is an abstract class defining the interface for all face classes.

.. automodule:: femedu.elements.Faces
  :members:


Derived Classes
-------------------

.. automodule:: femedu.elements.Face2D
  :members:


.. automodule:: femedu.elements.Face3D
  :members: