October 14, 2020, 10:09
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Projection of edges to the surface
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#1
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New Member
Join Date: Jan 2019
Posts: 11
Rep Power: 7
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Hi everyone,
I cant seem to project my edges to the surface. Couldnt solve the problem so I need your help.
Here is blockMeshDict:
Code:
/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: 8
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
xMax 21;
zMax 5;
xMin -5;
zMin -0.05;
// Number of cells
z1 30;
z2 40;
x1 20;
x2 30;
x3 40;
x4 50;
x5 60;
// Mesh grading
zg1 1;
zg2 10;
zg3 30;
xg1 1;
xg2 50;
//Points on the surface
a0x 0.1;
a0z 0;
a1x 0;
a1z 0.1;
a2x 0;
a2z 0.186;
a3x 0.1;
a3z 0.286;
a4x 0.8428;
a4z 0.286;
a5x 1.044;
a5z 0.192179;
a6x 1.044;
a6z 0;
geometry
{
ahmed
{
type triSurfaceMesh;
file "ahmedmetre.stl";
}
}
vertices
(
project ($a0x -0.1 $a0z) (ahmed) //0
project ($a1x -0.1 $a1z) (ahmed) //1
project ($a2x -0.1 $a2z) (ahmed) //2
project ($a3x -0.1 $a3z) (ahmed) //3
project ($a4x -0.1 $a4z) (ahmed) //4
project ($a5x -0.1 $a5z) (ahmed) //5
project ($a6x -0.1 $a6z) (ahmed) //6
($a0x -0.1 $zMin) //7
($xMin -0.1 $zMin) //8
($xMin -0.1 $a0z) //9
($xMin -0.1 $a1z) //10
($xMin -0.1 $a2z) //11
($xMin -0.1 $a3z) //12
($xMin -0.1 $zMax) //13
($a3x -0.1 $zMax) //14
($a4x -0.1 $zMax) //15
($a5x -0.1 $zMax) //16
($xMax -0.1 $zMax) //17
($xMax -0.1 $a5z) //18
($xMax -0.1 $a6z) //19
($xMax -0.1 $zMin) //20
($a6x -0.1 $zMin) //21
//3d
project ($a0x 0.1 $a0z) (ahmed) //22
project ($a1x 0.1 $a1z) (ahmed) //23
project ($a2x 0.1 $a2z) (ahmed) //24
project ($a3x 0.1 $a3z) (ahmed) //25
project ($a4x 0.1 $a4z) (ahmed) //26
project ($a5x 0.1 $a5z) (ahmed) //27
project ($a6x 0.1 $a6z) (ahmed) //28
($a0x 0.1 $zMin) //29
($xMin 0.1 $zMin) //30
($xMin 0.1 $a0z) //31
($xMin 0.1 $a1z) //32
($xMin 0.1 $a2z) //33
($xMin 0.1 $a3z) //34
($xMin 0.1 $zMax) //35
($a3x 0.1 $zMax) //36
($a4x 0.1 $zMax) //37
($a5x 0.1 $zMax) //38
($xMax 0.1 $zMax) //39
($xMax 0.1 $a5z) //40
($xMax 0.1 $a6z) //41
($xMax 0.1 $zMin) //42
($a6x 0.1 $zMin) //43
);
blocks
(
hex ( 1 23 32 10 2 24 33 11 ) //0
(1 30 100)
edgeGrading
(
1 1 1 1
100 1 1 100
1 1 1 1
)
hex ( 2 24 33 11 3 25 34 12 ) //1
(1 30 100)
edgeGrading
(
1 1 1 1
100 1 1 100
1 1 1 1
)
hex ( 3 25 34 12 14 36 35 13 ) //2
(1 30 200)
edgeGrading
(
1 1 1 1
100 1 1 100
50 50 50 50
)
hex ( 4 26 25 3 15 37 36 14 ) //3
(1 80 200)
edgeGrading
(
1 1 1 1
1 1 1 1
50 50 50 50
)
hex ( 5 27 26 4 16 38 37 15 ) //4
(1 30 200)
edgeGrading
(
1 1 1 1
1 1 1 1
50 50 50 50
)
hex ( 18 40 27 5 17 39 38 16 ) //5
(1 50 200)
edgeGrading
(
1 1 1 1
0.0125 0.0125 0.0125 0.0125
50 50 50 50
)
hex ( 19 41 28 6 18 40 27 5 ) //6
(1 50 50)
edgeGrading
(
1 1 1 1
0.0125 0.0125 0.0125 0.0125
1 1 1 1
)
hex ( 20 42 43 21 19 41 28 6 ) //7
(1 50 50)
edgeGrading
(
1 1 1 1
0.0125 0.0125 0.0125 0.0125
1 1 1 1
)
hex ( 21 43 29 7 6 28 22 0 ) //8
(1 80 50)
edgeGrading
(
1 1 1 1
1 1 1 1
1 1 1 1
)
hex ( 7 29 30 8 0 22 31 9 ) //9
(1 30 50)
edgeGrading
(
1 1 1 1
100 1 1 100
1 1 1 1
)
hex ( 0 22 31 9 1 23 32 10 ) //10
(1 30 100)
edgeGrading
(
1 1 1 1
100 1 1 100
1 1 1 1
)
);
edges
(
project 0 1 (ahmed)
project 1 2 (ahmed)
project 2 3 (ahmed)
project 3 4 (ahmed)
project 4 5 (ahmed)
project 5 6 (ahmed)
project 6 0 (ahmed)
project 22 23 (ahmed)
project 23 24 (ahmed)
project 24 25 (ahmed)
project 25 26 (ahmed)
project 26 27 (ahmed)
project 27 28 (ahmed)
project 28 22 (ahmed)
)
faces
(
project (2 3 25 24) ahmed
project (0 1 23 22) ahmed
);
boundary
(
ahmed
{
type wall;
faces
(
(0 1 23 22)
(1 2 24 23)
(2 3 25 24)
(3 4 26 25)
(4 5 27 26)
(5 6 28 27)
(6 0 22 28)
);
}
botwall
{
type wall;
faces
(
(20 21 43 42)
(21 7 29 43)
(7 8 30 29)
);
}
topwall
{
type wall;
faces
(
(13 14 36 35)
(14 15 37 36)
(15 16 38 37)
(16 17 39 38)
);
}
inlet
{
type patch;
faces
(
(8 9 31 30)
(9 10 32 31)
(10 11 33 32)
(11 12 34 33)
(12 13 35 34)
);
}
outlet
{
type patch;
faces
(
(18 40 39 17)
(19 41 40 18)
(20 42 41 19)
);
}
back
{
type empty;
faces
(
(8 9 0 7)
(9 10 1 0)
(10 11 2 1)
(11 12 3 2)
(12 13 14 3)
(3 14 15 4)
(4 15 16 5)
(16 17 18 5)
(18 19 6 5)
(19 20 21 6)
(21 7 0 6)
);
}
front
{
type empty;
faces
(
(30 31 22 29)
(31 32 23 22)
(32 33 24 23)
(33 34 25 24)
(34 35 36 25)
(25 36 37 26)
(26 37 38 27)
(38 39 40 27)
(40 41 28 27)
(41 42 43 28)
(43 29 22 28)
);
}
);
// ************************************************************************* //
Grading and other things are not done properly yet. I dont think that would effect the projection process. I tried to draw how the blocks are numbered. And in the other image you can see the projection is not done.
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