[nsreddysrsit]

hi,
I am creating a blockMesh for pipe, here i am attaching geometry as well , I am getting error.
here is the Mesh file.
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.3.1 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

convertToMeters 0.01;

vertices
(
(0 0 0) //0
(0.15 0.15 0)
(-0.15 0.15 0)
(-0.15 -0.15 0)
(0.15 -0.15 0)
(0.3 0.3 0)//5
(-0.3 0.3 0)
(-0.3 -0.3 0)
(0.3 -0.3 0)
(0.3535 0.3535 0)//9
(-0.3535 0.3535 0)
(-0.3535 -0.3535 0)
(0.3535 -0.3535 0)
(0.15 0.15 30)//13
(-0.15 0.15 30)
(-0.15 -0.15 30)
(0.15 -0.15 30)
(0.3 0.3 30) //17
(-0.3 0.3 30)
(-0.3 -0.3 30)
(0.3 -0.3 30)
(0.3535 0.3535 0) //21
(-0.3535 0.3535 0)
(-0.3535 -0.3535 0)
(0.3535 -0.3535 0)
(0 0 30) //25

);

blocks
(
hex (1 2 3 4 13 14 15 16) (10 10 150) simpleGrading (1 1 1)
hex (1 5 6 2 13 17 18 14) (10 10 150) simpleGrading (1 1 1)
hex (2 6 7 3 14 18 19 15) (10 10 150) simpleGrading (1 1 1)
hex (3 7 8 4 15 19 20 16) (10 10 150) simpleGrading (1 1 1)
hex (4 8 5 1 16 20 17 13) (10 10 150) simpleGrading (1 1 1)
hex (5 9 10 6 17 21 22 18) (10 10 150) simpleGrading (1 1 1)
hex (6 10 11 7 18 22 23 19) (10 10 150) simpleGrading (1 1 1)
hex (7 11 12 8 19 23 24 20) (10 10 150) simpleGrading (1 1 1)
hex (12 9 5 8 24 21 17 20) (10 10 150) simpleGrading (1 1 1)


);

edges
(
arc 5 6 (0 0.42426 0)
arc 6 7 (-0.42426 0 0)
arc 7 8 (0 -0.42426 0)
arc 8 5 (0.42426 0 0)
arc 9 10 (0 0.5 0)
arc 10 11 (-0.5 0 0)
arc 11 12 ( 0 -0.5 0)
arc 12 9 (0.5 0 0)
arc 17 18 (0 0.42426 30)
arc 18 19 (-0.42426 0 30)
arc 19 20 (0 -0.42426 30)
arc 20 17 (0.42426 0 30)
arc 21 22 (0 0.5 30)
arc 22 23 (-0.5 0 30)
arc 23 24 (0 -0.5 30)
arc 24 21 (0.5 0 30)

);
boundary
(
inlet
{
type inlet;
faces
(
(13 16 15 14)
(13 14 18 17)
(14 15 19 18)
(15 16 20 19)
(16 13 17 20)
(17 18 22 21)
(18 19 23 22)
(19 20 24 23)
(20 17 21 24)

);
}
outlet
{
type outlet;
faces
(
(1 5 6 2)
(2 6 7 3)
(3 7 8 4)
(4 8 5 1)
(1 2 3 4)
(5 9 10 6)
(6 10 11 7)
(7 11 12 8)
(8 12 9 5)


);
}
fixwdWalls
{
type fixedWalls;
faces
(
(21 22 10 9)
(22 23 11 10)
(23 24 12 11)
(24 21 9 12)
);
}
);

mergePatchPairs
(
);

// ************************************************** *********************** //
Regards