[jrsilvio_ver]

Dear, good night.
I implemented the Energy Equation in the icoFoam solver.
However the solution is not converging, basically the Courant number is absurdly high.
Could anyone help me find the error? The boundary conditions are reasonable?
I greatly appreciate everyone's attention.

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blockMeshDict

FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

convertToMeters 1;

vertices
(
(0 0 0) //Pt 0
(0.4 0 0) //Pt 1
(0.4 0.6 0) //Pt 2
(0 0.6 0) //Pt 3
(0 0 5) //Pt 4
(0.4 0 5) //Pt 5
(0.4 0.6 5) //Pt 6
(0 0.6 5) //Pt 7
(0.4 0.8 0) //Pt 8
(0 0.8 0) //Pt 9
(0.4 0.8 5) //Pt 10
(0 0.8 5) //Pt 11
(0.4 1 0) //Pt 12
(0 1 0) //Pt 13
(0.4 1 5) //Pt 14
(0 1 5) //Pt 15

(0.6 0 0) //Pt 16
(0.6 0.6 0) //Pt 17
(0.6 0 5) //Pt 18
(0.6 0.6 5) //Pt 19
(0.6 0.8 0) //Pt 20
(0.6 1 0) //Pt 21
(0.6 0.8 5) //Pt 22
(0.6 1 5) //Pt 23

(1 0 0) //Pt 24
(1 0.6 0) //Pt 25
(1 0 5) //Pt 26
(1 0.6 5) //Pt 27
(1 0.8 0) //Pt 28
(1 1 0) //Pt 29
(1 0.8 5) //Pt 30
(1 1 5) //Pt 31
);

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

);

edges
(
arc 6 19 (0.5 0.5585786 5)
arc 19 22 (0.6414214 0.7 5)
arc 22 10 (0.5 0.8414214 5)
arc 10 6 (0.3585786 0.7 5)
arc 17 2 (0.5 0.5585786 0)
arc 20 17 (0.6414214 0.7 0)
arc 8 20 (0.5 0.8414214 0)
arc 2 8 (0.3585786 0.7 0)
);

boundary
(
saida
{
type patch;
faces
(
(0 3 2 1)
(1 2 17 16)
(16 17 25 24)
(3 9 8 2)
(17 20 28 25)
(9 13 12 8)
(8 12 21 20)
(20 21 29 28)
);
}

entrada
{
type patch;
faces
(
(4 5 6 7)
(5 18 19 6)
(18 26 27 19)
(7 6 10 11)
(19 27 30 22)
(11 10 14 15)
(10 22 23 14)
(22 30 31 23)
);
}

paredeadiabatica
{
type wall;
faces
(
(0 4 7 3)
(3 7 11 9)
(9 11 15 13)

(26 24 25 27)
(27 25 28 30)
(30 28 29 31)

(15 14 12 13)
(14 23 21 12)
(23 31 29 21)

(4 0 1 5)
(5 1 16 18)
(18 16 24 26)

);
}

queimador
{
type wall;
faces
(
(10 8 20 22)
(6 19 17 2)
(19 22 20 17)
(6 2 8 10)
);
}

);

mergePatchPairs
(
);

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P

FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object p;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

dimensions [0 2 -2 0 0 0 0];

internalField uniform 101325;

boundaryField
{
paredeadiabatica
{
type zeroGradient;
}

queimador
{
type zeroGradient;
}

entrada
{
type zeroGradient;
}

saida
{
type fixedValue;
value uniform 101325;
}
}

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T

FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object T;
}
//**********************************//

dimensions [0 0 0 1 0 0 0];

internalField uniform 300;

boundaryField
{
entrada
{
type fixedValue;
value uniform 300;
}

saida
{
type zeroGradient;
}

paredeadiabatica
{
type zeroGradient;
}

queimador
{
type fixedValue;
value uniform 1200;
}
}
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

U

FoamFile
{
version 2.0;
format ascii;
class volVectorField;
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

dimensions [0 1 -1 0 0 0 0];

internalField uniform (0 0 0);

boundaryField
{
entrada
{
type fixedValue;
value uniform (0 0 -1);
}

saida
{
type fixedValue;
value uniform (0 0 -0.2);
}

queimador
{
type fixedValue;
value uniform (0 0 0);
}

paredeadiabatica
{
type fixedValue;
value uniform (0 0 0);
}
}

[jrsilvio_ver]

No suggestion?