CGAL users discussion list

[Ianic <>]

Greetings!

I've got two questions regarding a 3D mesh generation package and probably a
3D surface mesher as well.

1. Is it possible to mesh an internal surface with free edges? That is, I
have a box domain, enclosed in a watertight surface, but I also have a
separate surface inside this box, with its outer edges being exposed - like
a circle. I imagine that I will need to invoke the 3D surface mesh generator
for it and than somehow preserve the faces during the volume mesh
generation. Does it make any sense?

2. Is it possible to mesh NURBS surfaces? AFAIU I need to write an oracle
for this to work, is this correct? What classes I need to look at and what
methods to implement to write oracles for surface/volume meshers?

The reason I'm asking this is that I'm looking at modelling the fracture
flows in complex porous domains and we include fractures as surfaces in 3D
domains. And we draw the geometries in CAD software using NURBS
representation.

Thank you,
Yan

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