[Gmsh] internal node structure

[jean pierre aubry]

without a complete example it is difficult to understand what you want

however extruding the lines that make the borders of Surface{7} you
should get a Surface which would be bordering the volume along the
extrusion vector


Le Thu, 7 Aug 2014 09:34:36 -0600,
Trevor Irons <trevorirons at gmail.com> a écrit :

> Thank you. That worked perfectly for a 2D 'plane surface'! Thanks for
> the tip.
> 
> I had one follow up question though, Instead of just a 2D surface I
> would like to do this with a 3D surface, i.e. internal 3D object. But
> once I extrude it, it becomes a volume and I cannot call Surface In
> Volume anymore.
> 
> 
> Line Loop(6) = {4,5};
> Plane Surface(7) = {6};                           // Define a plane
> surface Surface{7} In Volume{1};                       // This works
> for the unextruded surface
> Extrude {0, 0, D1-D0} { Surface{7};  }  // I want to include the
> surface of this extrusion in the mesh
> 
> 
> Surface(8) = CastToSurface{Volume{2}}; // Made up desired
> functionality Surface{8} In Volume{1};                          // I
> want to call something like this
> 
> Is there a way to cast an extrusion back into just a surface, but now
> just the outer 3D surface?
> 
> Thanks.
> 
> 
> -- Trevor
> 
> 
> On 5 August 2014 05:01, jean pierre aubry <jeanpierre at lamachine.fr>
> wrote:
> 
> > hello
> >
> > >Is there a way to scrub the internal `surface' but retain the mesh
> > >structure?
> >
> > what about putting the surfaces you want to export into Physical
> > and to NOT put into Physical the ones you do not want
> >
> > i do not know about VTK
> > but by proceeding this way only the defined Physical are exported
> > in .msh or .med mesh
> >
> > --
> > jean pierre aubry
> > 33 688 670 795
> > jeanpierre [at] lamachine.fr
> >



-- 
jean pierre aubry
33 688 670 795
jeanpierre [at] lamachine.fr