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Category 4: Fluid Momentum Equations
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The fluid-momentum equations, e.g., the momentum equations in the Navier-Stokes system for
incompressible flows, require many boundary conditions mainly because they are formulated in
an arbitrary frame of reference. The plethora of boundary conditions here contain Dirichlet, finiteelement
weak form, finite-element strong form, and many other boundary condition types.

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/uvw.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/puvw.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/uvwvary.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/uvwuser.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/no_slip_no_slip_rs.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_normal.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_normal_ls.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_norm_colloc.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_normal_disc.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_normal_edge.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_normal_edge_int.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_tangent.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_tangent_edge.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_tangent_edge_int.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_tangent_3D.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_slip.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_slip_rot.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_slip_fill.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_slip_electrokinetic.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_slip_electrokinetic3D.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_tangent_solid.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_slip_solid.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_slip_power.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_slip_power_card.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/discontinuous_velo.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/hydrostatic_symm.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/flow_pressure.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/flow_stressnobc.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/flow_gradv.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/flow_gradv_t.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/flow_press_user.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/flow_hydrostatic.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/flowrate.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/pressure_user.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/cont_tang_vel.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/cont_norm_vel.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/vnorm_leak.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/capillary.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/cap_repulse.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/cap_recoil_press.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/elec_traction.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/cap_endforce.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/surftang_edge.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/cap_endforce_scalar.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/surftang_scalar_edge.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/fill_ca.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/moving_ca.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/sdc_stefanflow.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/fluid_solid.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/fluid_solid_rs.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/darcy_continuous.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/vn_porous.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/capillary_shear_visc.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_theta_cox.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_theta_hoffman.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/velo_theta_tpl.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/sheet_endslop.rst

.. include:: /problem_description_file/boundary_conditions/fluid_momentum/tension_sheet.rst