[Gmsh] adaptive meshing/multi-resolution meshing in GMSH

[zhwang]

Hello all,
I have problem when i use GMSH for adaptive meshing (or saying: 
multi-resolition meshing).

In fact, I have exported CAD.stp from CAD software, and what I want to 
do is to mesh .stp file in GMSH adaptively or we can say 
multi-resolution meshing.

I have explored documentation of GMSH, but I did not find so much 
information.

Some guys said it should firstly convert .stp file into .geo and it's 
only this way to do the adaptive mshing in GMSH.

But when I tried this idea, I met some errors, followed:
            *************************
            *************************
  I do like this:
  1---open .stp file (exported from CAD software) in GMSH;
  2---new a CAD.geo file in GMSH;
  3--merge .stp file, and save as CAD.geo file created above;
  4--using mesh module for meshing.

However, I met some errors: 
Info    : Meshing volume 1 (Tetgen+Delaunay)
Error   : Self intersecting surface mesh, computing intersections (this 
could take a while)
Info    : 0 faces self-intersect
Info    : Mesh 3D complete (24.8125 s)
Warning : Reparam on face partially failed for curve 328 surface 10 at 
point 45.0486
Warning : On the face 10 local (0.525753 45.0486) global (2852 799.949 
1985.29)
Warning : On the edge 328 local (45.0486) global (2851.68 800 1984.87)
Warning : Reparam on face partially failed for curve 423 surface 31 at 
point 117.592
Warning : On the face 31 local (0.96069 117.592) global (2908.06 
-799.906 1939.23)
Warning : On the edge 423 local (117.592) global (2907.47 -800 1938.48)
Warning : Reparam on face partially failed for curve 537 surface 59 at 
point 117.592
Warning : On the face 59 local (0.96069 117.592) global (4527.37 
-799.906 674.086)
Warning : On the edge 537 local (117.592) global (4526.78 -800 673.333)
Warning : Reparam on face partially failed for curve 630 surface 80 at 
point 45.0481
Warning : On the face 80 local (0.525119 45.0481) global (4585.62 
799.948 630.832)
Warning : On the edge 630 local (45.0481) global (4585.3 800 630.419)
Info    : 9778 vertices 32608 elements
Error   : ------------------------------
Error   : Mesh generation error summary
Error   :    36 warnings
Error   :     1 error
Error   : Check the full log for details

         ********************************
         ********************************

Anyway, I failed to mesh adaptively.
Could anyone help?
Also I have attached CAD. stp file.


Regards, Thanks in advance!
---
zh.wang
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