| thomas. |
April 13, 2015 04:09 |
LES 2D multiphase simulation error using imported gmsh mesh
Hello all,
I am trying to simulate a multiphase flow using interFoam and using LES for turbulence modelling. I will try to be as accurate as possible regarding the description of the problem, so I will quote all error/warnings messages from terminal.
I would really appreciate your help. Thanks in advance for your time!
So, the geometry file in gmsh is:
Code:
// Gmsh project created on Thu Apr 9 09:24:11 2015
el = 1;
pi = 3.14159265;
theta = (pi/4 + pi/2);
theta2 = (pi/4);
r = 40;
r2 = 40+20*Cos(theta2);
Point(1) = {0, 0, 0, el};
Point(2) = {0, 15, 0, el};
Point(3) = {r2*Cos(theta), 15+r2*Sin(theta), 0, el};
Point(4) = {r*Cos(theta), 35+r*Sin(theta), 0, el};
Point(5) = {0, 35, 0, el};
Point(6) = {0, 40, 0, el};
Point(7) = {120, 40, 0, el};
Point(8) = {120, 35, 0, el};
Point(9) = {160, 35, 0, el};
Point(10) = {160, 15, 0, el};
Point(11) = {120, 15, 0, el};
Point(12) = {120, 0, 0, el};
Line(1) = {1, 2};
Line(2) = {2, 3};
Line(3) = {3, 4};
Line(4) = {4, 5};
Line(5) = {5, 6};
Line(6) = {6, 7};
Line(7) = {7, 8};
Line(8) = {8, 9};
Line(9) = {9, 10};
Line(10) = {10, 11};
Line(11) = {11, 12};
Line(12) = {12, 1};
Line Loop(13) = {6, 7, 8, 9, 10, 11, 12, 1, 2, 3, 4, 5};
Plane Surface(14) = {13};
Extrude {0, 0, 10} {
Surface{14};
Layers{1};
Recombine;
}
Physical Surface("back") = {14};
Physical Surface("front") = {76};
Physical Surface("inlet") = {67};
Physical Surface("outlet") = {43};
Physical Surface("walls") = {59, 63, 71, 75, 31, 35, 39, 43, 47, 55};
Physical Volume("interior") = {1};
After converting the mesh file using gmshToFoam, I get following warning:
Code:
--> FOAM Warning :
From function polyMesh:polyMesh(... construct from shapes...)
in file meshes/polyMesh/polyMeshFromShapeMesh.C at line 627
Found 248400 undefined faces in mesh; adding to default patch.
The resulting boundary file looks like this:
Code:
6
(
back
{
type patch;
physicalType patch;
nFaces 122260;
startFace 609360;
}
walls
{
type patch;
physicalType patch;
nFaces 3496;
startFace 731620;
}
outlet
{
type patch;
physicalType patch;
nFaces 156;
startFace 735116;
}
inlet
{
type patch;
physicalType patch;
nFaces 112;
startFace 735272;
}
front
{
type patch;
physicalType patch;
nFaces 122260;
startFace 735384;
}
defaultFaces
{
type patch;
nFaces 116;
startFace 857644;
}
)
As I change the type and physical type for front and back to "empty" while leaving the defaultFaces type as "patch" and I try to run interFoam, I get following error:
Code:
--> FOAM FATAL IO ERROR:
Cannot find patchField entry for defaultFaces
file: /home/thomas/CFD/OpenFOAM/thomas-2.3.1/run/tutorials/multiphase/interFoam/thomasCaseLES/0/p_rgh.boundaryField from line 25 to line 42.
From function GeometricField<Type, PatchField, GeoMesh>::GeometricBoundaryField::readField(const DimensionedField<Type, GeoMesh>&, const dictionary&)
in file /home/opencfd/OpenFOAM/OpenFOAM-2.3.0/src/OpenFOAM/lnInclude/GeometricBoundaryField.C at line 209.
FOAM exiting
And if I change the defaultFaces type to "empty", I get following error:
Code:
--> FOAM FATAL ERROR:
Case is not 3D or 2D, LES is not applicable
From function cubeRootVolDelta::calcDelta()
in file cubeRootVolDelta/cubeRootVolDelta.C at line 72.
FOAM exiting
Once again, thank you in advance for reading and trying to help! |
