epsilonWallFunction, omegaWallFunction: Set generation to zero in laminar sub-layer

Improves stability for complex flows

src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C

@@ -255,8 +255,6 @@ void Foam::epsilonWallFunctionFvPatchScalarField::calculate
         else
         {
             epsilon0[celli] += w*2.0*k[celli]*nuw[facei]/sqr(y[facei]);
-
-            G0[celli] += w*G[celli];
         }
     }
 }

src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C

@@ -280,8 +280,6 @@ void omegaWallFunctionFvPatchScalarField::calculate
             {
                 omega0[celli] += w*omegaVis;
             }
-
-            G0[celli] += w*G[celli];
         }
     }
 }