[Gmsh] Can the Frontal-Delaunay algorithm modify the surface mesh?

[Serban.Georgescu at uk.fujitsu.com]

Dear all,

I have a short question related to a new 3D meshing algorithm which I've noticed recently in Gmsh called "Frontal-Delaunay".
Basically, in the documentation it is written that the Delaunay algorithm is the fastest and most robust, but that it can sometimes modify the surface mesh. For cases where this should not happen, the Frontal algorithm should be used. As it happens, this is currently my case, so I cannot use Delaunay.

My question is: is Frontal-Delaunay guaranteed not to modify the surface mesh?

If somebody knows the answer it would help me a great deal!
Cheers,
Serban


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