[Gmsh] discrete-continuum mesh

[Kovacs, Attila]

Dear Authors,
 
First of all I have to congratulate for your mesh generator. It is an excellent tool, and I appreciete using it.
I also have a question to you. I intend to test the difference between the groundwater flow regimes of a pure discrete network model and a combined discrete-continuum model.
For the latter purpose I need a mesh generation approach which can combine 2d and 3d elements in a manner that the nodes and edges of neighbouring elements of different dimensions are geometrically identical.
In other words I need to fill in the space with tetrahedrons among the 2d element sheets representing fractures of varying direction.
I tried to merge a pre-generated discrete finite element network into a geometric volume in GMSh, and lounched a 3d mesh generation, but the sides of the 3d elements doesn't seem to fit the edges of the 2d elements along fracture plains.
Do you have a method for solving this problem?
 
Thanks and best regards:
Attila Kovacs
 
Attila Kovacs, Ph.D.
Golder Associates (Magyarország) Kft.
1021 Budapest
Huvösvölgyi út 54.
Tel.: +36 (1) 394 0005
Fax.: +36 (1) 394 0002
Mobil: +36 (20) 357 6809
E-mail: Attila_Kovacs at golder.hu
 
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