tutorials/modules/CHT/rivuletBox: New CHT/film/fluid tutorial case

Demonstration case for three region coupling with film consisting of an aluminium panel with surface film running down forming rivulets in a box of air which moved due to buoyancy with 6-way thermal and velocity coupling between the panel<->film<->air<->panel. The case runs serial and parallel with arbitrary decomposition. Currently extrudeToRegionMesh does not directly support three region coupling so foamDictionary is used to edit the of the boundary files of box and film regions to add box<->film coupling.
OpenFOAM · Mar 7, 2023 · cee34fe · cee34fe · randomwangran · Apr 5, 2023
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diff --git a/tutorials/modules/CHT/rivuletBox/0/box/T b/tutorials/modules/CHT/rivuletBox/0/box/T
@@ -0,0 +1,53 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     | Website:  https://openfoam.org
+    \\  /    A nd           | Version:  dev
+     \\/     M anipulation  |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    format      ascii;
+    class       volScalarField;
+    object      T;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 0 0 1 0 0 0];
+
+internalField   uniform 300;
+
+boundaryField
+{
+    inlet
+    {
+        type            inletOutlet;
+        inletValue      $internalField;
+        value           $internalField;
+    }
+
+    outlet
+    {
+        type            inletOutlet;
+        inletValue      $internalField;
+        value           $internalField;
+    }
+
+    sides
+    {
+        type            zeroGradient;
+    }
+
+    film
+    {
+        type            coupledTemperature;
+        value           $internalField;
+    }
+
+    window
+    {
+        type            zeroGradient;
+    }
+}
+
+// ************************************************************************* //
diff --git a/tutorials/modules/CHT/rivuletBox/0/box/U b/tutorials/modules/CHT/rivuletBox/0/box/U
@@ -0,0 +1,52 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     | Website:  https://openfoam.org
+    \\  /    A nd           | Version:  dev
+     \\/     M anipulation  |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    format      ascii;
+    class       volVectorField;
+    object      U;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 -1 0 0 0 0];
+
+internalField   uniform (0 0 0);
+
+boundaryField
+{
+    inlet
+    {
+        type            pressureInletOutletVelocity;
+        value           $internalField;
+    }
+
+    outlet
+    {
+        type            pressureInletOutletVelocity;
+        value           $internalField;
+    }
+
+    sides
+    {
+        type            noSlip;
+    }
+
+    film
+    {
+        type            mappedValue;
+        value           $internalField;
+    }
+
+    window
+    {
+        type            noSlip;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/modules/CHT/rivuletBox/0/box/p b/tutorials/modules/CHT/rivuletBox/0/box/p
@@ -0,0 +1,53 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     | Website:  https://openfoam.org
+    \\  /    A nd           | Version:  dev
+     \\/     M anipulation  |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    format      ascii;
+    class       volScalarField;
+    object      p;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -2 0 0 0 0];
+
+internalField   uniform 100000;
+
+boundaryField
+{
+    inlet
+    {
+        type            calculated;
+        value           $internalField;
+    }
+
+    outlet
+    {
+        type            calculated;
+        value           $internalField;
+    }
+
+    sides
+    {
+        type            calculated;
+        value           $internalField;
+    }
+
+    film
+    {
+        type            calculated;
+        value           $internalField;
+    }
+
+    window
+    {
+        type            calculated;
+        value           $internalField;
+    }
+}
+
+// ************************************************************************* //
diff --git a/tutorials/modules/CHT/rivuletBox/0/box/p_rgh b/tutorials/modules/CHT/rivuletBox/0/box/p_rgh
@@ -0,0 +1,52 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     | Website:  https://openfoam.org
+    \\  /    A nd           | Version:  dev
+     \\/     M anipulation  |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    format      ascii;
+    class       volScalarField;
+    object      p_rgh;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -2 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    inlet
+    {
+        type            prghTotalHydrostaticPressure;
+        p0              $internalField;
+        value           $internalField;
+    }
+
+    outlet
+    {
+        type            prghTotalHydrostaticPressure;
+        p0              $internalField;
+        value           $internalField;
+    }
+
+    sides
+    {
+        type            fixedFluxPressure;
+    }
+
+    film
+    {
+        type            fixedFluxPressure;
+    }
+
+    window
+    {
+        type            fixedFluxPressure;
+    }
+}
+
+// ************************************************************************* //
diff --git a/tutorials/modules/CHT/rivuletBox/0/box/ph_rgh.orig b/tutorials/modules/CHT/rivuletBox/0/box/ph_rgh.orig
@@ -0,0 +1,51 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     | Website:  https://openfoam.org
+    \\  /    A nd           | Version:  dev
+     \\/     M anipulation  |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    format      ascii;
+    class       volScalarField;
+    object      ph_rgh;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -2 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    inlet
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    outlet
+    {
+        type            fixedValue;
+        value           $internalField;
+    }
+
+    sides
+    {
+        type            fixedFluxPressure;
+    }
+
+    film
+    {
+        type            fixedFluxPressure;
+    }
+
+    window
+    {
+        type            fixedFluxPressure;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/modules/CHT/rivuletBox/0/film/T b/tutorials/modules/CHT/rivuletBox/0/film/T
@@ -0,0 +1,52 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     | Website:  https://openfoam.org
+    \\  /    A nd           | Version:  dev
+     \\/     M anipulation  |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    format      ascii;
+    class       volScalarField;
+    object      T;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 0 0 1 0 0 0];
+
+internalField   uniform  300;
+
+boundaryField
+{
+    inlet
+    {
+        type            fixedValue;
+        value           uniform 300;
+    }
+
+    outlet
+    {
+        type            zeroGradient;
+    }
+
+    sides
+    {
+        type            zeroGradient;
+    }
+
+    wall
+    {
+        type            coupledTemperature;
+        value           $internalField;
+    }
+
+    surface
+    {
+        type            coupledTemperature;
+        value           $internalField;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/modules/CHT/rivuletBox/0/film/U b/tutorials/modules/CHT/rivuletBox/0/film/U
@@ -0,0 +1,52 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     | Website:  https://openfoam.org
+    \\  /    A nd           | Version:  dev
+     \\/     M anipulation  |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    format      ascii;
+    class       volVectorField;
+    object      U;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 -1 0 0 0 0];
+
+internalField   uniform (0 0 0);
+
+boundaryField
+{
+    inlet
+    {
+        type            fixedValue;
+        value           uniform (0 -0.075 0);
+    }
+
+    outlet
+    {
+        type            zeroGradient;
+    }
+
+    sides
+    {
+        type            noSlip;
+    }
+
+    wall
+    {
+        type            noSlip;
+    }
+
+    surface
+    {
+        type            filmSurfaceVelocity;
+        Cs              0.005;
+        value           $internalField;
+    }
+}
+
+
+// ************************************************************************* //