From b44cad0118cea87bc0711f59077ae32f2e80139f Mon Sep 17 00:00:00 2001
From: Will Bainbridge <http://cfd.direct>
Date: Mon, 16 Dec 2019 11:17:06 +0000
Subject: [PATCH] reacting*EulerFoam/.../functionObjects/phaseForces: Sign
 correction

---
 .../functionObjects/phaseForces/phaseForces.C                 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/applications/solvers/multiphase/reactingEulerFoam/functionObjects/phaseForces/phaseForces.C b/applications/solvers/multiphase/reactingEulerFoam/functionObjects/phaseForces/phaseForces.C
index 9355bc5ad6..ab3c431bf7 100644
--- a/applications/solvers/multiphase/reactingEulerFoam/functionObjects/phaseForces/phaseForces.C
+++ b/applications/solvers/multiphase/reactingEulerFoam/functionObjects/phaseForces/phaseForces.C
@@ -55,11 +55,11 @@ Foam::functionObjects::phaseForces::nonDragForce(const phasePair& pair) const
 
     if (&pair.phase1() == &phase_)
     {
-        return model.template F<vector>();
+        return -model.template F<vector>();
     }
     else
     {
-        return -model.template F<vector>();
+        return model.template F<vector>();
     }
 }