[Nek5000-users] periodic boundary conditions in mshconvert.py

[nek5000-users at lists.mcs.anl.gov]

Hello Neks：

         I‘m trying to use the mshconvert.py to get a periodic bc. I put in
convert('test.msh',periodic_dx={(3,4):[0.0,3.0]},bcs={5:'O',6:'v'}). But
there is always a mistake:

Traceback (most recent call last):

 

  File "<ipython-input-93-7345a535cf67>", line 1, in <module>

    convert('test.msh',periodic_dx={(3,4):[0.0,3.0]},bcs={5:'O',6:'v'})

 

  File "C:/Users/Administrator/Desktop/test/mshconvert.py", line 1477, in
convert

    create_boundary_section(bcs, temperature, passive_scalars, mesh_format)

 

  File "C:/Users/Administrator/Desktop/test/mshconvert.py", line 668, in
create_boundary_section

    periodic_cell_face_map[(c, local_face)]

 

KeyError: (1, 2)

 

         The .msh file is the most simple one：

(0 "GAMBIT to Fluent File")

 

(0 "Dimension:")

(2 2)

 

(10 (0 1 8 1 2))

(10 (1 1 8 1 2)(

   1.0000000000e+000    0.0000000000e+000 

   0.0000000000e+000    0.0000000000e+000 

   0.0000000000e+000    3.0000000000e+000 

   1.0000000000e+000    3.0000000000e+000 

   0.0000000000e+000    1.0000000000e+000 

   0.0000000000e+000    2.0000000000e+000 

   1.0000000000e+000    1.0000000000e+000 

   1.0000000000e+000    2.0000000000e+000 

 )) 

 

(0 "Faces:")

(13(0 1 a 0))

(13(3 1 1  4 0)(

2 1 2 0 1

))

(13(4 2 2  e 0)(

2 3 4 0 3

))

(13(5 3 5  25 0)(

2 1 7 1 0

2 7 8 2 0

2 8 4 3 0

))

(13(6 6 8  3 0)(

2 2 5 0 1

2 5 6 0 2

2 6 3 0 3

))

(13(8 9 a 2 0)(

2 7 5 1 2

2 8 6 2 3

))

(0 "Cells:")

(12 (0 1 3 0))

(12 (2 1 3 1 3))

 

(0 "Zones:")

(45 (2 fluid fluid)())

(45 (3 inlet-vent p2)())

(45 (4 fan p1)())

(45 (5 axis out)())

(45 (6 wall in)())

(45 (8 interior default-interior)())

         Thank you!

         Lily

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