diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/Allrun b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/Allrun
index 15075d623f27d56d92398664fcc62e535574655c..ff256f2362cb34ff84627b16b859439fcfe12078 100755
--- a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/Allrun
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/Allrun
@@ -10,6 +10,7 @@ cd "${0%/*}" || exit # Run from this directory
setups="
kEpsilon
kOmegaSST
+ kL
"
# flag to enable computations in parallel mode
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/plot b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/plot
index 592d623b012f20ecab46b7327765e4dab07afc89..a133b5896e6ace005e8d2d53da421749a6fc2692 100755
--- a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/plot
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/plot
@@ -7,8 +7,9 @@ cd "${0%/*}" || exit # Run from this directory
# operand setups
setups="
- kEpsilon-neutral-stability
- kOmegaSST-neutral-stability
+ kEpsilon
+ kOmegaSST
+ kL
"
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/T b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/T
new file mode 120000
index 0000000000000000000000000000000000000000..36acfd78fec2c622f4ccbc18c7c6c12feb537c37
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/T
@@ -0,0 +1 @@
+../../common/0.orig/T
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/U b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/U
new file mode 120000
index 0000000000000000000000000000000000000000..e4dc4caaf68a467a7d9d1e29eb147e6657e9bc87
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/U
@@ -0,0 +1 @@
+../../common/0.orig/U
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/alphat b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/alphat
new file mode 120000
index 0000000000000000000000000000000000000000..013f6d3db3a54555612c2f3b20f3675f1cc12602
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/alphat
@@ -0,0 +1 @@
+../../common/0.orig/alphat
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/k b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/k
new file mode 120000
index 0000000000000000000000000000000000000000..3e1c38725bfc0c32f705a09a5bf707da4f0c6680
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/k
@@ -0,0 +1 @@
+../../common/0.orig/k
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/leafAreaDensity b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/leafAreaDensity
new file mode 120000
index 0000000000000000000000000000000000000000..312272b4ace3f7a9cbf6b557e783db51f8bf186e
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/leafAreaDensity
@@ -0,0 +1 @@
+../../common/0.orig/leafAreaDensity
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/nut b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/nut
new file mode 120000
index 0000000000000000000000000000000000000000..8186897dc1e524952025d143bc577da45c565816
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/nut
@@ -0,0 +1 @@
+../../common/0.orig/nut
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/p_rgh b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/p_rgh
new file mode 120000
index 0000000000000000000000000000000000000000..a394ed8aa0f177ee6c4d2ee036fe4049a73b5857
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/p_rgh
@@ -0,0 +1 @@
+../../common/0.orig/p_rgh
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/plantCd b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/plantCd
new file mode 120000
index 0000000000000000000000000000000000000000..b5fbd9980a11d1771b93cf846e9e229a4ef67999
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/plantCd
@@ -0,0 +1 @@
+../../common/0.orig/plantCd
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/qPlant b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/qPlant
new file mode 100644
index 0000000000000000000000000000000000000000..d0140814785b50df9ae2da6fc653c5af3e69233d
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/0.orig/qPlant
@@ -0,0 +1,36 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| ========= | |
+| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
+| \\ / O peration | Version: v2106 |
+| \\ / A nd | Website: www.openfoam.com |
+| \\/ M anipulation | |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+ version 2.0;
+ format ascii;
+ class volScalarField;
+ object qPlant;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions [0 2 -3 0 0 0 0];
+
+internalField uniform 0;
+
+boundaryField
+{
+ "(bottom|top)"
+ {
+ type fixedValue;
+ value uniform 0;
+ }
+
+ "(inlet|outlet|left|right)"
+ {
+ type cyclic;
+ }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/fvOptions b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/fvOptions
new file mode 100644
index 0000000000000000000000000000000000000000..287fa71581227d6af466c200ea85cbe3ec8cc282
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/fvOptions
@@ -0,0 +1,57 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| ========= | |
+| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
+| \\ / O peration | Version: v2106 |
+| \\ / A nd | Website: www.openfoam.com |
+| \\/ M anipulation | |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+ version 2.0;
+ format ascii;
+ class dictionary;
+ object fvOptions;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+pressureGradient
+{
+ type vectorSemiImplicitSource;
+ volumeMode specific;
+ selectionMode all;
+ injectionRateSuSp
+ {
+ U ( ( 0 0.00197805 0 ) 0 );
+ }
+}
+
+atmCoriolisUSource1
+{
+ type atmCoriolisUSource;
+ atmCoriolisUSourceCoeffs
+ {
+ selectionMode all;
+ Omega ( 0 0 5.65156e-05 );
+ }
+}
+
+atmPlantCanopyUSource1
+{
+ type atmPlantCanopyUSource;
+ atmPlantCanopyUSourceCoeffs
+ {
+ selectionMode all;
+ }
+}
+
+atmPlantCanopyTSource1
+{
+ type atmPlantCanopyTSource;
+ atmPlantCanopyTSourceCoeffs
+ {
+ selectionMode all;
+ }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/g b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/g
new file mode 120000
index 0000000000000000000000000000000000000000..c6fea3b1e556a1f8f687373e3af19adfa2f73ad7
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/g
@@ -0,0 +1 @@
+../../common/constant/g
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/transportProperties b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/transportProperties
new file mode 120000
index 0000000000000000000000000000000000000000..e6a4e4f7fc53f2c83e8fcde854665db55f6466d2
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/transportProperties
@@ -0,0 +1 @@
+../../common/constant/transportProperties
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/turbulenceProperties b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/turbulenceProperties
new file mode 100644
index 0000000000000000000000000000000000000000..fc47d6dad2741aedea278de32998cc1915e04a51
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/constant/turbulenceProperties
@@ -0,0 +1,36 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| ========= | |
+| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
+| \\ / O peration | Version: v2106 |
+| \\ / A nd | Website: www.openfoam.com |
+| \\/ M anipulation | |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+ version 2.0;
+ format ascii;
+ class dictionary;
+ object turbulenceProperties;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+simulationType RAS;
+
+RAS
+{
+ RASModel kL;
+
+ turbulence on;
+
+ printCoeffs on;
+
+ kLCoeffs
+ {
+ CbStable 0.25;
+ CbUnstable 0.35;
+ Lmax 41.0;
+ }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/system b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/system
new file mode 120000
index 0000000000000000000000000000000000000000..86c0ebd6e7baf5d4e389403fe98512613a6bdb8a
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/precursor/setups.orig/kL/system
@@ -0,0 +1 @@
+../common/system
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/Allrun b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/Allrun
index 75396cd525fe4fdba8d7ea4610c86c5c63c4cfcb..41edc4f60f5b2e3b453391a9d64c0d69e17e7085 100755
--- a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/Allrun
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/Allrun
@@ -10,6 +10,7 @@ cd "${0%/*}" || exit # Run from this directory
setups="
kEpsilon
kOmegaSST
+ kL
"
# flag to enable computations in parallel mode
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/T b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/T
new file mode 120000
index 0000000000000000000000000000000000000000..36acfd78fec2c622f4ccbc18c7c6c12feb537c37
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/T
@@ -0,0 +1 @@
+../../common/0.orig/T
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/U b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/U
new file mode 120000
index 0000000000000000000000000000000000000000..e4dc4caaf68a467a7d9d1e29eb147e6657e9bc87
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/U
@@ -0,0 +1 @@
+../../common/0.orig/U
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/alphat b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/alphat
new file mode 120000
index 0000000000000000000000000000000000000000..013f6d3db3a54555612c2f3b20f3675f1cc12602
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/alphat
@@ -0,0 +1 @@
+../../common/0.orig/alphat
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/k b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/k
new file mode 120000
index 0000000000000000000000000000000000000000..3e1c38725bfc0c32f705a09a5bf707da4f0c6680
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/k
@@ -0,0 +1 @@
+../../common/0.orig/k
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/nut b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/nut
new file mode 120000
index 0000000000000000000000000000000000000000..8186897dc1e524952025d143bc577da45c565816
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/nut
@@ -0,0 +1 @@
+../../common/0.orig/nut
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/p_rgh b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/p_rgh
new file mode 120000
index 0000000000000000000000000000000000000000..a394ed8aa0f177ee6c4d2ee036fe4049a73b5857
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/0.orig/p_rgh
@@ -0,0 +1 @@
+../../common/0.orig/p_rgh
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/boundaryData b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/boundaryData
new file mode 120000
index 0000000000000000000000000000000000000000..12dfff1d411a2a7e0d1b5c405af5c4fd25ce3564
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/boundaryData
@@ -0,0 +1 @@
+../../common/constant/boundaryData
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/fvOptions b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/fvOptions
new file mode 100644
index 0000000000000000000000000000000000000000..b9f469968b64b493fffbdf6b307832b03bcc5e9e
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/fvOptions
@@ -0,0 +1,39 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| ========= | |
+| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
+| \\ / O peration | Version: v2106 |
+| \\ / A nd | Website: www.openfoam.com |
+| \\/ M anipulation | |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+ version 2.0;
+ format ascii;
+ class dictionary;
+ object fvOptions;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+pressureGradient
+{
+ type vectorSemiImplicitSource;
+ selectionMode all;
+ volumeMode specific;
+ injectionRateSuSp
+ {
+ U ((0 1.978046e-03 0) 0);
+ }
+}
+
+atmCoriolisUSource1
+{
+ type atmCoriolisUSource;
+ atmCoriolisUSourceCoeffs
+ {
+ selectionMode all;
+ Omega (0 0 5.65156e-5);
+ }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/g b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/g
new file mode 120000
index 0000000000000000000000000000000000000000..c6fea3b1e556a1f8f687373e3af19adfa2f73ad7
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/g
@@ -0,0 +1 @@
+../../common/constant/g
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/transportProperties b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/transportProperties
new file mode 120000
index 0000000000000000000000000000000000000000..e6a4e4f7fc53f2c83e8fcde854665db55f6466d2
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/transportProperties
@@ -0,0 +1 @@
+../../common/constant/transportProperties
\ No newline at end of file
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/turbulenceProperties b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/turbulenceProperties
new file mode 100644
index 0000000000000000000000000000000000000000..a631af459084ae5b8e0156b38a4e130fec680b97
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/constant/turbulenceProperties
@@ -0,0 +1,29 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| ========= | |
+| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
+| \\ / O peration | Version: v2106 |
+| \\ / A nd | Website: www.openfoam.com |
+| \\/ M anipulation | |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+ version 2.0;
+ format ascii;
+ class dictionary;
+ object turbulenceProperties;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+simulationType RAS;
+
+RAS
+{
+ RASModel kL;
+
+ turbulence on;
+
+ printCoeffs on;
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/system b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/system
new file mode 120000
index 0000000000000000000000000000000000000000..8ed134fc8c3dea35c0e4c947813c3944918cd293
--- /dev/null
+++ b/tutorials/verificationAndValidation/atmosphericModels/atmFlatTerrain/successor/setups.orig/kL/system
@@ -0,0 +1 @@
+../common/system/
\ No newline at end of file