Ratings
=========


.. csv-table::

    ":math:`P` ", ":", "the steady pressure in the fluid"
    ":math:`p` ", ":", "the fluctuating pressure in the fluid,"
    ":math:`{X}_{f}` ", ":", "movements in the fluid,"
    ":math:`{X}_{s}` ", ":", "the field of movements in the structure,"
    ":math:`g` ", ":", "gravity,"
    ":math:`\varphi` ", ":", "the potential for fluid movements,"
    ":math:`{\rho }_{f},{\rho }_{s}` ", ":", "the density of the fluid, of the structure,"
    ":math:`T` ", ":", "the stress tensor in the fluid,"
    ":math:`\sigma` ", ":", "the stress tensor in the structure,"
    ":math:`\varepsilon` ", ":", "the tensor of the deformations in the structure,"
    ":math:`C` ", ":", "the elasticity tensor,"
    ":math:`c` ", ":", "the speed of sound in the fluid,"
    ":math:`H` ", ":", "the height of the fluid (or average height),"
    ":math:`n` ", ":", "the external normal of the fluid."