From cc8781f47d11d4ee6a760bf356253b638851977d Mon Sep 17 00:00:00 2001
From: Henry Weller <http://cfd.direct>
Date: Thu, 4 Aug 2016 10:04:06 +0100
Subject: [PATCH] ORourkeCollision: Corrected probability test Resolves
 bug-report http://bugs.openfoam.org/view.php?id=2097

---
 .../StochasticCollision/ORourkeCollision/ORourkeCollision.C     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lagrangian/spray/submodels/StochasticCollision/ORourkeCollision/ORourkeCollision.C b/src/lagrangian/spray/submodels/StochasticCollision/ORourkeCollision/ORourkeCollision.C
index e660931a8..686e39093 100644
--- a/src/lagrangian/spray/submodels/StochasticCollision/ORourkeCollision/ORourkeCollision.C
+++ b/src/lagrangian/spray/submodels/StochasticCollision/ORourkeCollision/ORourkeCollision.C
@@ -142,7 +142,7 @@ bool Foam::ORourkeCollision<CloudType>::collideParcels
     scalar xx = this->owner().rndGen().template sample01<scalar>();
 
     // Collision occurs
-    if (xx < collProb)
+    if (xx > collProb)
     {
         if (d1 > d2)
         {