tutorials: Consistency of All* scripts

Various minor changes to tutorial scripts. In particular, ensuring that
they all change to the containing directory so that batches of tutorials
can be run easily from the root of the installation.

tutorials/fluid/angledDuct/Allrun

@@ -6,3 +6,5 @@ cd ${0%/*} || exit 1    # Run from this directory
 
 runApplication blockMesh -dict $FOAM_TUTORIALS/resources/blockMesh/angledDuct
 runApplication $(getApplication)
+
+#------------------------------------------------------------------------------

tutorials/fluid/angledDuctLTS/Allrun

@@ -6,3 +6,5 @@ cd ${0%/*} || exit 1    # Run from this directory
 
 runApplication blockMesh -dict $FOAM_TUTORIALS/resources/blockMesh/angledDuct
 runApplication $(getApplication)
+
+#------------------------------------------------------------------------------

tutorials/fluid/blockedChannel/Allclean

@@ -1,7 +1,9 @@
 #!/bin/sh
+cd ${0%/*} || exit 1    # Run from this directory
 
-cd ${0%/*} || exit 1
-
+# Source tutorial clean functions
 . $WM_PROJECT_DIR/bin/tools/CleanFunctions
 
 cleanCase && rm -f constant/alpha.*
+
+#------------------------------------------------------------------------------

tutorials/fluid/blockedChannel/Allrun

@@ -1,9 +1,11 @@
 #!/bin/sh
+cd ${0%/*} || exit 1    # Run from this directory
 
-cd ${0%/*} || exit 1
-
+# Source tutorial run functions
 . $WM_PROJECT_DIR/bin/tools/RunFunctions
 
 runApplication blockMesh
 runApplication foamPostProcess -func generateAlphas
 runApplication $(getApplication)
+
+#------------------------------------------------------------------------------

tutorials/fluid/buoyantCavity/Allclean

@@ -1,7 +1,7 @@
 #!/bin/sh
 cd ${0%/*} || exit 1    # Run from this directory
 
-# Source tutorial run functions
+# Source tutorial clean functions
 . $WM_PROJECT_DIR/bin/tools/CleanFunctions
 
 cleanCase

tutorials/fluid/buoyantCavity/validation/createGraphs

@@ -1,36 +1,4 @@
 #!/bin/sh
-#------------------------------------------------------------------------------
-# =========                 |
-# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
-#  \\    /   O peration     | Website:  https://openfoam.org
-#   \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
-#    \\/     M anipulation  |
-#------------------------------------------------------------------------------
-# License
-#     This file is part of OpenFOAM.
-#
-#     OpenFOAM is free software: you can redistribute it and/or modify it
-#     under the terms of the GNU General Public License as published by
-#     the Free Software Foundation, either version 3 of the License, or
-#     (at your option) any later version.
-#
-#     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
-#     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-#     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-#     for more details.
-#
-#     You should have received a copy of the GNU General Public License
-#     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
-#
-# Script
-#     createGraphs
-#
-# Description
-#     Creates .eps graphs of OpenFOAM results vs experiment for the buoyant
-#     cavity case
-#
-#------------------------------------------------------------------------------
-
 cd ${0%/*} || exit 1    # Run from this directory
 
 # Stop on first error

tutorials/fluid/externalCoupledCavity/Allclean

@@ -1,7 +1,7 @@
 #!/bin/sh
 cd ${0%/*} || exit 1    # Run from this directory
 
-# Source tutorial run functions
+# Source tutorial clean functions
 . $WM_PROJECT_DIR/bin/tools/CleanFunctions
 
 cleanCase

tutorials/fluid/externalCoupledCavity/externalSolver

@@ -6,7 +6,7 @@
 # Functionality is hard-coded for this particular test case
 # - patch temperatures increased by 1K on each step
 #
-cd ${0%/*} || exit 1    # run from this directory
+cd ${0%/*} || exit 1    # Run from this directory
 
 echo "Executing dummy external solver"
 

tutorials/fluid/helmholtzResonance/Allclean

@@ -1,5 +1,7 @@
 #!/bin/sh
+cd ${0%/*} || exit 1    # Run from this directory
 
+# Source tutorial clean functions
 . $WM_PROJECT_DIR/bin/tools/CleanFunctions
 
 cleanCase
@@ -7,3 +9,5 @@ cleanCase
 (cd system && rm -f blockMeshDict.caseBlocks blockMeshDict.caseBoundary)
 
 rm -rf resolved modelled pressure.eps
+
+#------------------------------------------------------------------------------

tutorials/fluid/helmholtzResonance/Allrun

@@ -1,7 +1,7 @@
 #!/bin/sh
+cd ${0%/*} || exit 1    # Run from this directory
 
-cd ${0%/*} || exit 1
-
+# Source tutorial run functions
 . $WM_PROJECT_DIR/bin/tools/RunFunctions
 
 # Run function links the appropriate mesh files and clones the case
@@ -30,6 +30,12 @@ run resolved
 # Run with the plenum modelled by a boundary condition
 run modelled
 
+if ! which gnuplot > /dev/null 2>&1
+then
+    echo "gnuplot not found - skipping graph creation" >&2
+    exit 1
+fi
+
 # Plot a comparison of the pressure in the neck
 cat << EOF | gnuplot -persist
 
@@ -45,3 +51,5 @@ plot \
     "modelled/postProcessing/probes/0/p" us 1:(\$4-1e5) t "Modelled Plenum" w l
 
 EOF
+
+#------------------------------------------------------------------------------

tutorials/fluid/mixerVessel2DMRF/Allrun

@@ -1,4 +1,5 @@
 #!/bin/sh
+cd ${0%/*} || exit 1    # Run from this directory
 
 # Source tutorial run functions
 . $WM_PROJECT_DIR/bin/tools/RunFunctions
@@ -7,3 +8,5 @@ application=$(getApplication)
 
 runApplication blockMesh -dict $FOAM_TUTORIALS/resources/blockMesh/mixerVessel2D
 runApplication $application
+
+#------------------------------------------------------------------------------

tutorials/fluid/shockTube/createGraphs

@@ -2,7 +2,7 @@
 
 if ! which gnuplot > /dev/null 2>&1
 then
-    echo 'gnuplot not found - skipping graph creation' >&2
+    echo "gnuplot not found - skipping graph creation" >&2
     exit 1
 fi