Meshing a faceted body
 

Hi all,

I'm trying to mesh a tidal inlet with Ansys Meshing but I'm having some difficulties. The geometry is composed of 4 faces (Inlet, Outlet, Symmetry and Wall) and my objective is to model a flow flowing through the interior volume confined by the 4 surfaces.

I tried two methods:

1. Meshing surface bodies:

The geometry is made up of 4 surfaces (see Fig. 1). The problem with this method is that when I mesh the geometry I get a surface mesh (i.e. only the surfaces are meshed but the interior).

1. Meshing a facet body:
   
   The geometry is made of only one solid body (see Fig. 2). This method allows me to mesh the interior of the body. The problem with this method is that I cannot name the faces that define each of the 4 boundaries. Therefore, when the mesh is imported in Fluent I can set the boundary conditions.
   

Does anybody knows how can I proceed?

Thank you.

Kind regards,

Edu

Fig-1:

https://i.ibb.co/qmvP6sk/Facets1.png

Fig-2:

https://i.ibb.co/pZf4r35/Facets2.png