ENH. Looser tolerance on wall match error trigger.

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>

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

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