From 950c77117b80dd23435911fd8aaa547b9e8c8aff Mon Sep 17 00:00:00 2001
From: mattijs <mattijs@hunt.opencfd.co.uk>
Date: Tue, 24 Mar 2009 18:02:42 +0000
Subject: [PATCH] comment

---
 .../pimpleFoam/t-junction/0/epsilon              |  2 +-
 .../incompressible/pimpleFoam/t-junction/0/k     |  2 +-
 .../incompressible/pimpleFoam/t-junction/0/p     | 10 ++++++++--
 .../pimpleFoam/t-junction/constant/p0vsTime      |  4 ++++
 .../pimpleFoam/t-junction/system/controlDict     | 16 +++++++++++-----
 5 files changed, 25 insertions(+), 9 deletions(-)
 create mode 100644 tutorials/incompressible/pimpleFoam/t-junction/constant/p0vsTime

diff --git a/tutorials/incompressible/pimpleFoam/t-junction/0/epsilon b/tutorials/incompressible/pimpleFoam/t-junction/0/epsilon
index 2c4cfab1c0..5b446a2d8a 100644
--- a/tutorials/incompressible/pimpleFoam/t-junction/0/epsilon
+++ b/tutorials/incompressible/pimpleFoam/t-junction/0/epsilon
@@ -24,7 +24,7 @@ boundaryField
     inlet
     {
         type            turbulentMixingLengthDissipationRateInlet;
-        mixingLength    0.01;
+        mixingLength    0.01;       // 1cm - half channel height
         value           uniform 1;
     }
 
diff --git a/tutorials/incompressible/pimpleFoam/t-junction/0/k b/tutorials/incompressible/pimpleFoam/t-junction/0/k
index 51c0ab7cd3..ad217bc9e4 100644
--- a/tutorials/incompressible/pimpleFoam/t-junction/0/k
+++ b/tutorials/incompressible/pimpleFoam/t-junction/0/k
@@ -24,7 +24,7 @@ boundaryField
     inlet
     {
         type            turbulentIntensityKineticEnergyInlet;
-        intensity       0.05;
+        intensity       0.05;       // 5% turbulent intensity
         value           uniform 1;
     }
 
diff --git a/tutorials/incompressible/pimpleFoam/t-junction/0/p b/tutorials/incompressible/pimpleFoam/t-junction/0/p
index b3d4646058..2446eb2f7c 100644
--- a/tutorials/incompressible/pimpleFoam/t-junction/0/p
+++ b/tutorials/incompressible/pimpleFoam/t-junction/0/p
@@ -22,8 +22,14 @@ boundaryField
 {
     inlet      
     {
-        type            totalPressure;
-        p0              uniform 100040;
+        //type            totalPressure;
+        //p0              uniform 100040;
+
+        type            timeVaryingTotalPressure;
+        p0              100040; // only used for restarts
+        outOfBounds     clamp;
+        fileName        "$FOAM_CASE/constant/p0vsTime";
+
         U               U;
         phi             phi;
         rho             none;
diff --git a/tutorials/incompressible/pimpleFoam/t-junction/constant/p0vsTime b/tutorials/incompressible/pimpleFoam/t-junction/constant/p0vsTime
new file mode 100644
index 0000000000..a9ee6bb3e7
--- /dev/null
+++ b/tutorials/incompressible/pimpleFoam/t-junction/constant/p0vsTime
@@ -0,0 +1,4 @@
+(
+    (0 100010)
+    (1 100040)
+)
diff --git a/tutorials/incompressible/pimpleFoam/t-junction/system/controlDict b/tutorials/incompressible/pimpleFoam/t-junction/system/controlDict
index 22f3756880..2d7aaa81da 100644
--- a/tutorials/incompressible/pimpleFoam/t-junction/system/controlDict
+++ b/tutorials/incompressible/pimpleFoam/t-junction/system/controlDict
@@ -52,16 +52,22 @@ functions
     probes
     {
         type        probes;
-        name        probes;
+        // Where to load it from
         functionObjectLibs ( "libsampling.so" );
+        // Name of the directory for probe data
+        name        probes;
         probeLocations
         (
-            ( 1e-06 0 0.01 )
-            ( 0.21 -0.20999 0.01 )
-            ( 0.21 0.20999 0.01 )
-            ( 0.21 0 0.01 )
+            ( 1e-06 0 0.01 )        // at inlet
+            ( 0.21 -0.20999 0.01 )  // at outlet1
+            ( 0.21 0.20999 0.01 )   // at outlet2
+            ( 0.21 0 0.01 )         // at central block
         );
+
+        // Fields to be probed
         fields ( p U );
+
+        // Write at same frequency as fields
         outputControl   outputTime;
         outputInterval  1;
     }