From ef19832a783045426cf73a8a0bb6b7fa81504a05 Mon Sep 17 00:00:00 2001
From: graham <g.macpherson@opencfd.co.uk>
Date: Wed, 26 May 2010 10:44:45 +0100
Subject: [PATCH] ENH. Looser tolerance on wall match error trigger.

---
 .../WallCollisionRecord/WallCollisionRecord.C               | 6 ++++++
 .../WallCollisionRecord/WallCollisionRecord.H               | 6 ++++++
 .../WallCollisionRecord/WallCollisionRecordI.H              | 2 +-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.C b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.C
index d3141e660d..da116c4992 100644
--- a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.C
+++ b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.C
@@ -25,6 +25,12 @@ License
 
 #include "WallCollisionRecord.H"
 
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+template<class Type>
+const Foam::scalar Foam::WallCollisionRecord<Type>::errorCosAngle(1.0 + 1e-6);
+
+
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
 template<class Type>
diff --git a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.H b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.H
index 96d605dd4a..f70d2045b6 100644
--- a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.H
+++ b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.H
@@ -92,6 +92,12 @@ class WallCollisionRecord
 
 public:
 
+    // Static data members
+
+        //- Tolerance for detecting seriously erroneous wall matches
+        static const scalar errorCosAngle;
+
+
     // Constructors
 
         //- Construct null
diff --git a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecordI.H b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecordI.H
index 42f5b4f421..afb855cb33 100644
--- a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecordI.H
+++ b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecordI.H
@@ -39,7 +39,7 @@ inline bool Foam::WallCollisionRecord<Type>::match
     // Using the new data as the acceptance criterion
     scalar cosAcceptanceAngle = magpRel/radius;
 
-    if (cosAcceptanceAngle > 1.0 + SMALL)
+    if (cosAcceptanceAngle > errorCosAngle)
     {
         Info<< "pRel_ " << pRel_ << " " << magpRel_ << nl
             << "pRel " << pRel << " " << magpRel << nl