BUG: Time: restart with non-standard Time (e.g. engineTime) compared values instead of names.

src/OpenFOAM/db/Time/Time.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -221,10 +221,31 @@ void Foam::Time::setControls()
         timeIndex_ = startTimeIndex_;
     }
 
-    scalar timeValue;
+
-    if (timeDict.readIfPresent("value", timeValue))
+    // Check if values stored in time dictionary are consistent
+
+    // 1. Based on time name
+    bool checkValue = true;
+
+    string storedTimeName;
+    if (timeDict.readIfPresent("name", storedTimeName))
     {
-        word storedTimeName(timeName(timeValue));
+        if (storedTimeName == timeName())
+        {
+            // Same time. No need to check stored value
+            checkValue = false;
+        }
+    }
+
+    // 2. Based on time value
+    //    (consistent up to the current time writing precision so it won't
+    //     trigger if we just change the write precision)
+    if (checkValue)
+    {
+        scalar storedTimeValue;
+        if (timeDict.readIfPresent("value", storedTimeValue))
+        {
+            word storedTimeName(timeName(storedTimeValue));
 
             if (storedTimeName != timeName())
             {
@@ -233,10 +254,12 @@ void Foam::Time::setControls()
                     << " differs from actual time " << timeName() << '.' << nl
                     << "    This may cause unexpected database behaviour."
                     << " If you are not interested" << nl
-                << "    in preserving time state delete the time dictionary."
+                    << "    in preserving time state delete"
+                    << " the time dictionary."
                     << endl;
             }
         }
+    }
 }
 
 

src/OpenFOAM/db/Time/TimeIO.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -293,12 +293,14 @@ bool Foam::Time::writeObject
 {
     if (outputTime())
     {
+        const word tmName(timeName());
+
         IOdictionary timeDict
         (
             IOobject
             (
                 "time",
-                timeName(),
+                tmName,
                 "uniform",
                 *this,
                 IOobject::NO_READ,
@@ -308,6 +310,7 @@ bool Foam::Time::writeObject
         );
 
         timeDict.add("value", value());
+        timeDict.add("name", string(tmName));
         timeDict.add("index", timeIndex_);
         timeDict.add("deltaT", deltaT_);
         timeDict.add("deltaT0", deltaT0_);
@@ -317,7 +320,7 @@ bool Foam::Time::writeObject
 
         if (writeOK && purgeWrite_)
         {
-            previousOutputTimes_.push(timeName());
+            previousOutputTimes_.push(tmName);
 
             while (previousOutputTimes_.size() > purgeWrite_)
             {

src/engine/engineTime/engineTime.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -93,6 +93,7 @@ Foam::engineTime::engineTime
 
     startTime_  = degToTime(startTime_);
     value()     = degToTime(value());
+    deltaTSave_ = deltaT_;
     deltaT0_    = deltaT_;
 }