Gmsh output from conversion of TThe .geo file for https://stackoverflow.com/q/56341375/2019542

gistfile1.txt

$ gmsh test2D.geo -3 -nopopup -format msh -o teset2D.msh
Info    : Running 'gmsh test2D.geo -3 -nopopup -format msh -o teset2D.msh' [Gmsh 3.0.6, 1 node, max. 1 thread]
Info    : Started on Tue May 28 14:08:46 2019
Info    : Reading 'test2D.geo'...
Info    : Done reading 'test2D.geo'
Info    : Finalized high order topology of periodic connections
Info    : Meshing 1D...
Info    : Meshing curve 5 (Line)
Info    : Meshing curve 6 (Line)
Info    : Meshing curve 7 (Line)
Info    : Meshing curve 8 (Line)
Info    : Meshing curve 9 (Line)
Info    : Meshing curve 10 (Line)
Info    : Meshing curve 11 (Line)
Info    : Meshing curve 12 (Line)
Info    : Meshing curve 13 (Line)
Info    : Meshing curve 14 (Line)
Info    : Meshing curve 15 (Line)
Info    : Meshing curve 16 (Line)
Info    : Done meshing 1D (0.004313 s)
Info    : Meshing 2D...
Info    : Meshing surface 1 (Plane, Delaunay)
Info    : Meshing surface 2 (Plane, Delaunay)
Info    : Meshing surface 3 (Plane, Delaunay)
Info    : Meshing surface 4 (Plane, Delaunay)
Info    : Meshing surface 5 (Plane, Delaunay)
Info    : Meshing surface 6 (Plane, Delaunay)
Info    : Done meshing 2D (0.117376 s)
Info    : Meshing 3D...
Info    : Delaunay Meshing 1 volumes with 1 connected components
Info    : Meshing volume 1 (Delaunay)
Delaunizing vertices...
Delaunay seconds:  0.002008
Creating surface mesh ...
Surface mesh seconds:  0.000858
Recovering boundaries...
Boundary recovery seconds:  0.000744
Removing exterior tetrahedra ...
Exterior tets removal seconds:  4.2e-05
Recovering Delaunayness...
Delaunay recovery seconds:  0.000632
Optimizing mesh...
Optimization seconds:  0.000348

Writing nodes.
Writing elements.
Writing faces.
Writing edges.

Output seconds:  0.000618
Total running seconds:  0.00554

Statistics:

  Input points: 86
  Input facets: 168
  Input segments: 252
  Input holes: 0
  Input regions: 0

  Mesh points: 86
  Mesh tetrahedra: 206
  Mesh faces: 496
  Mesh edges: 375
  Mesh faces on exterior boundary: 168
  Mesh edges on exterior boundary: 252
  Mesh faces on input facets: 168
  Mesh edges on input segments: 252

Info    : 86 points 375 edges and 168 faces in the initial mesh
Info    : Found region 1
Info    : 0 points created - Worst tet radius is 1.00397 (PTS removed 0 0)
Info    : 3D point insertion terminated (87 points created):
Info    :  - 0 Delaunay cavities modified for star shapeness
Info    :  - 0 points could not be inserted
Info    :  - 210 tetrahedra created in 0.000162 sec. (1296296 tets/sec.)
Info    : Done meshing 3D (0.018032 s)
Info    : Optimizing 3D mesh...
Info    : Optimizing volume 1
Info    : Opti : STARTS with  4.00000E+00 QBAD  1.35118E-01 QAVG  5.94118E-01
Info    : Opti : 0.00 < QUAL < 0.10 :         0 elements
Info    : Opti : 0.10 < QUAL < 0.20 :        10 elements
Info    : Opti : 0.20 < QUAL < 0.30 :         0 elements
Info    : Opti : 0.30 < QUAL < 0.40 :         1 elements
Info    : Opti : 0.40 < QUAL < 0.50 :        37 elements
Info    : Opti : 0.50 < QUAL < 0.60 :        67 elements
Info    : Opti : 0.60 < QUAL < 0.70 :        48 elements
Info    : Opti : 0.70 < QUAL < 0.80 :        23 elements
Info    : Opti : 0.80 < QUAL < 0.90 :        16 elements
Info    : Opti : 0.90 < QUAL < 1.00 :         8 elements
Info    : Opti : (10,0,0) =  4.00000E+00 QBAD  2.46831E-01 QAVG  6.03834E-01 (   0.000 sec)
Info    : Opti : (11,0,0) =  4.00000E+00 QBAD  3.14538E-01 QAVG  6.05949E-01 (   0.001 sec)
Info    : Opti : no ill-shaped tets in the mesh ;-)
Info    : Opti : 0.00 < QUAL < 0.10 :         0 elements
Info    : Opti : 0.10 < QUAL < 0.20 :         0 elements
Info    : Opti : 0.20 < QUAL < 0.30 :         0 elements
Info    : Opti : 0.30 < QUAL < 0.40 :        12 elements
Info    : Opti : 0.40 < QUAL < 0.50 :        35 elements
Info    : Opti : 0.50 < QUAL < 0.60 :        65 elements
Info    : Opti : 0.60 < QUAL < 0.70 :        46 elements
Info    : Opti : 0.70 < QUAL < 0.80 :        23 elements
Info    : Opti : 0.80 < QUAL < 0.90 :        16 elements
Info    : Opti : 0.90 < QUAL < 1.00 :         8 elements
Info    : Done optimizing 3D mesh (0.001143 s)
Info    : 87 vertices 421 elements
Info    : Writing 'teset2D.msh'...
Info    : Done writing 'teset2D.msh'
Info    : Stopped on Tue May 28 14:08:46 2019