.. _discrete_momentum:

################
Momentum balance
################

The wall-normal, the stream-wise, and the span-wise momentum equations are defined at each :math:`x`, :math:`y`, and :math:`z` cell faces, respectively.

Note that the body force terms are omitted as adding their contributions is straightforward.

.. toctree::
   :maxdepth: 1

   x
   y
   z