[Thenryfang]

Hello, guys

I am trying to modify the blockMeshcontrol file from the damBreak case to get a new geometry and mesh. Something strange happened.

First, I copy the entire damBreak fold to the run/ directory. And I started with modifying the original copy from the damBreak case and successfully ran it in the end. I got the mesh I want. wever, when I exit the bash and try to run the blockMesh again, the fatal error comes. It seems it delete the mesh I just created.

Here is the error and I went to the application file blockMesh.c found some information but still don't understand what caused this error.

Hope someone has a solution for this problem. Thank you very much!

error.PNG

blockMeshC.PNG

Capture.PNG

[yambanshee]

Please also include your blockMesh file

[Thenryfang]

Originally Posted by yambanshee

Please also include your blockMesh file

Here is the code, thanks.

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

scale 1;

vertices
(
(0 0 0) // vertex 0
(2 0 0) // vertex 1
(3 0 0) // vertex 2
(5 0 0) // vertex 3
(0 4 0) // vertex 4
(2 4 0) // vertex 5
(3 4 0) // vertex 6
(5 4 0) // vertex 7
(0 5 0) // vertex 8
(2 5 0) // vertex 9
(3 5 0) // vertex 10
(5 5 0) // vertex 11
(0 6 0) // vertex 12
(2 6 0) // vertex 13
(3 6 0) // vertex 14
(5 6 0) // vertex 15
(0 0 0.1) // vertex 16
(2 0 0.1) // vertex 17
(3 0 0.1) // vertex 18
(5 0 0.1) // vertex 19
(0 4 0.1) // vertex 20
(2 4 0.1) // vertex 21
(3 4 0.1) // vertex 22
(5 4 0.1) // vertex 23
(0 5 0.1) // vertex 24
(2 5 0.1) // vertex 25
(3 5 0.1) // vertex 26
(5 5 0.1) // vertex 27
(0 6 0.1) // vertex 28
(2 6 0.1) // vertex 29
(3 6 0.1) // vertex 30
(5 6 0.1) // vertex 31
);

blocks
(
hex (0 1 5 4 16 17 21 20) (20 40 1) simpleGrading (1 1 1)
hex (1 2 6 5 17 18 22 21) (10 40 1) simpleGrading (1 1 1)
hex (2 3 7 6 18 19 23 22) (20 40 1) simpleGrading (1 1 1)
hex (4 5 9 8 20 21 25 24) (20 10 1) simpleGrading (1 1 1)
hex (5 6 10 9 21 22 26 25) (10 10 1) simpleGrading (1 1 1)
hex (6 7 11 10 22 23 27 26) (20 10 1) simpleGrading (1 1 1)
hex (8 9 13 12 24 25 29 28) (20 10 1) simpleGrading (1 1 1)
hex (9 10 14 13 25 26 30 29) (10 10 1) simpleGrading (1 1 1)
hex (10 11 15 14 26 27 31 30) (20 10 1) simpleGrading (1 1 1)
);

edges
(
);

boundary
(
leftWall
{
type wall;
faces
(
(0 16 20 4)
(4 20 24 8)
(8 24 28 12)
);
}
rightWall
{
type wall;
faces
(
(3 19 23 7)
(7 23 27 11)
(11 27 31 15)
);
}
lowerWall
{
type wall;
faces
(
(0 1 17 16)
(1 2 18 17)
(2 3 19 18)
);
}
atmosphere
{
type patch;
faces
(
(12 28 29 13)
(13 29 30 14)
(14 30 31 15)
);
}
);

mergePatchPairs
(
);

// ************************************************** *********************** //

[yambanshee]

There seems to be something strange with your installation. That blockMeshDict file runs fine for me (OF5)

[vatavuk]

Hi Zilong,

In your post #1 you said that you modified the blockMeshcontrol file. The file name that you used was really blockMeshcontrol?

Kind regards,
Paulo