Elements 1-9 are lines (1d), and elements 10-18 are rectangles (2d).
The element type is in the 2nd column. The number of tags are in the
3rd column. The element coordinates indexes begin at the 3rd +
number_of_tags column.
http://gmsh.info/doc/texinfo/gmsh.html#MSH-ASCII-file-format
Regards,
Juan
On 2/26/18 5:50 AM, preety obi wrote:
i am discritrizing my rectangular domain with only nine rectangular
element but still in the output file their are 18 elements as shown
below i m also attaching the mesh file.
18 elements
1 1 2 3 2 2 7
2 1 2 3 2 7 8
3 1 2 3 2 8 4
4 1 2 4 3 4 9
5 1 2 4 3 9 10
6 1 2 4 3 10 3
7 1 2 2 4 3 11
8 1 2 2 4 11 12
9 1 2 2 4 12 1
10 3 2 1 1 3 11 13 10
11 3 2 1 1 11 12 14 13
12 3 2 1 1 12 1 5 14
13 3 2 1 1 10 13 15 9
14 3 2 1 1 13 14 16 15
15 3 2 1 1 14 5 6 16
16 3 2 1 1 9 15 8 4
17 3 2 1 1 15 16 7 8
18 3 2 1 1 16 6 2 7
$EndElements
i want to extract the connectivity how can i do that
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