XiFoam tutorial updates

tutorials/combustion/XiFoam/les/Allrun

+#!/bin/sh
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# Get application name from directory
+application="XiFoam"
+
+cases=" \
+pitzDaily \
+pitzDaily3D
+"
+
+for i in $cases; do
+    blockMesh -case $i
+    $application -case $i
+done
+

tutorials/combustion/XiFoam/les/pitzDaily/0/alphaSgs

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    object      alphaSgs;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -1 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    inlet           
+    {
+        type            zeroGradient;
+    }
+
+    outlet          
+    {
+        type            zeroGradient;
+    }
+
+    upperWall       
+    {
+        type            zeroGradient;
+    }
+
+    lowerWall       
+    {
+        type            zeroGradient;
+    }
+
+    frontAndBack    
+    {
+        type            empty;
+    }
+}
+
+// ************************************************************************* //

tutorials/combustion/XiFoam/les/pitzDaily3D/0/alphaSgs

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    object      alphaSgs;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -1 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    inlet           
+    {
+        type            zeroGradient;
+    }
+
+    outlet          
+    {
+        type            zeroGradient;
+    }
+
+    upperWall       
+    {
+        type            zeroGradient;
+    }
+
+    lowerWall       
+    {
+        type            zeroGradient;
+    }
+
+    frontAndBack    
+    {
+        type            cyclic;
+    }
+}
+
+// ************************************************************************* //