[pradeepkpp]

I am trying to generate structured mesh using Gmsh, the problem i find is, when i run simulation in openfoam using .msh file , openfoam takes each of the volume as seperately, i want to combine all volumes together. Can anyone help please.


I am posting my .geo code lines file here


Point(2) = {0.0125, 0, 0, 1.0};
Point(3) = {3, 0, 0, 1.0};
Point(4) = {3, 0.025, 0, 1.0};
Point(5) = {0.0125, 0.025, 0, 1.0};
Point(6) = {0.0125, 0.0125, 0, 1.0};
Point(7) = {-0.0125, 0.0125, 0, 1.0};
Point(8) = {-0.0125, 0.025, 0, 1.0};
Point(9) = {-3, 0.025, 0, 1.0};
Point(10) = {-3, 0, 0, 1.0};
Point(12) = {-0.0125, 0, 0, 1.0};
Point(13) = {3, 0.0125, 0, 1.0};
Point(14) = {-3, 0.0125, 0, 1.0};
Line(1) = {12, 2};
Line(2) = {7, 6};
Line(3) = {2, 3};
Line(4) = {5, 4};
Line(5) = {3, 13};
Line(7) = {13, 4};
Line(8) = {2, 6};
Line(9) = {6, 5};
Line(10) = {12, 7};
Line(11) = {7, 8};
Line(12) = {10, 14};
Line(13) = {14, 9};
Line(14) = {6, 13};
Line(16) = {12, 10};
Line(17) = {7, 14};
Line(18) = {8, 9};
Line Loop(19) = {2, -8, -1, 10};
Plane Surface(20) = {19};
Line Loop(21) = {4, -7, -14, 9};
Plane Surface(22) = {21};
Line Loop(23) = {14, -5, -3, 8};
Plane Surface(24) = {23};
Line Loop(25) = {18, -13, -17, 11};
Plane Surface(26) = {25};
Line Loop(27) = {17, -12, -16, 10};
Plane Surface(28) = {27};
Transfinite Line {1, 2} = 5 Using Progression 1;
Transfinite Line {3, 14, 4} = 25 Using Progression 1;
Transfinite Line {16, 17, 18} = 25 Using Progression 1;
Transfinite Line {8, 10, 5, 12} = 5 Using Progression 1/1;
Transfinite Line {13, 11, 9, 7} = 5 Using Progression 1/1;

Transfinite Surface {22};
Transfinite Surface {24};
Transfinite Surface {20};
Transfinite Surface {28};
Transfinite Surface {26};
Recombine Surface {20, 22, 24, 26, 28};


Extrude {{1, 0, 0}, {0, 0, 0}, Pi} {
Surface{22, 24, 20, 28, 26};
Layers{16};
Recombine;
}

Extrude {{1, 0, 0}, {0, 0, 0}, Pi/2} {
Surface{101, 123, 84, 67, 50};
Layers{8};
Recombine;
}

Extrude {{1, 0, 0}, {0, 0, 0}, Pi/2} {
Surface{162, 140, 179, 218, 196};
Layers{8};
Recombine;
}

Physical Surface("Inlet") = {231, 153, 114, 135, 96, 251};
Physical Surface("Outlet") = {280, 41, 209, 191, 62, 300};
Physical Surface("Wall") = {122, 239, 161, 49, 217, 288, 110, 37, 76, 149, 205, 171, 227, 276, 264};
Physical Volume("internal") = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};