.. _specfem_assembly_boundary_acoustic_free_surface:

``specfem::assembly::boundaries_impl::acoustic_free_surface``
=============================================================

.. doxygenstruct:: specfem::assembly::boundaries_impl::acoustic_free_surface
    :members:

Dimension-Specific Implementations
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

.. doxygenstruct:: specfem::assembly::boundaries_impl::acoustic_free_surface< specfem::dimension::type::dim2 >
    :members: