From 867d5088a76e331c70a046ee928f185bcec0f1a2 Mon Sep 17 00:00:00 2001
From: mattijs <mattijs>
Date: Sun, 17 Nov 2013 19:21:32 +0000
Subject: [PATCH] BUG: timeVaryingMapped: enforce re-evaluation when not
 providing initial values

---
 .../timeVaryingMappedFixedValueFvPatchField.C               | 6 +++++-
 .../timeVaryingMappedFixedValuePointPatchField.C            | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/finiteVolume/fields/fvPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValueFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValueFvPatchField.C
index df9c571397..a7205577f3 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValueFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValueFvPatchField.C
@@ -120,7 +120,11 @@ timeVaryingMappedFixedValueFvPatchField
     }
     else
     {
-        updateCoeffs();
+        // Note: we use evaluate() here to trigger updateCoeffs followed
+        //       by re-setting of fvatchfield::updated_ flag. This is
+        //       so if first use is in the next time step it retriggers
+        //       a new update.
+        this->evaluate(Pstream::blocking);
     }
 }
 
diff --git a/src/fvMotionSolver/pointPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValuePointPatchField.C b/src/fvMotionSolver/pointPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValuePointPatchField.C
index 547e1d850d..cf1b18b89d 100644
--- a/src/fvMotionSolver/pointPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValuePointPatchField.C
+++ b/src/fvMotionSolver/pointPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValuePointPatchField.C
@@ -113,7 +113,11 @@ timeVaryingMappedFixedValuePointPatchField
     }
     else
     {
-        updateCoeffs();
+        // Note: use evaluate to do updateCoeffs followed by a reset
+        //       of the pointPatchField::updated_ flag. This is
+        //       so if first use is in the next time step it retriggers
+        //       a new update.
+        pointPatchField<Type>::evaluate(Pstream::blocking);
     }
 }