From 3f4058206ad8725a64a340bf2b2f32b9bb740584 Mon Sep 17 00:00:00 2001
From: Gerhard Holzinger <gerhard.holzinger@jku.at>
Date: Wed, 27 Sep 2017 15:16:20 +0200
Subject: [PATCH] clean-up: remove all references to RongDrag force model

There is no force model named "RongDrag", it is also not mentioned in the
documentation. Thus, it is safe to remove all references to it from the
tutorials.
---
 .../ErgunTestMPI/CFD/constant/couplingProperties     | 12 ------------
 .../cfdemSolverPiso/ErgunTestMPI/DEM/in.liggghts_run |  1 -
 .../ErgunTestMPI/CFD/constant/couplingProperties     | 12 ------------
 3 files changed, 25 deletions(-)

diff --git a/tutorials/cfdemSolverPiso/ErgunTestMPI/CFD/constant/couplingProperties b/tutorials/cfdemSolverPiso/ErgunTestMPI/CFD/constant/couplingProperties
index a2dabecd..07b9c60f 100644
--- a/tutorials/cfdemSolverPiso/ErgunTestMPI/CFD/constant/couplingProperties
+++ b/tutorials/cfdemSolverPiso/ErgunTestMPI/CFD/constant/couplingProperties
@@ -61,7 +61,6 @@ forceModels
     gradPForce
     viscForce
     KochHillDrag
-    //RongDrag
     //Archimedes
     //volWeightedAverage
     //totalMomentumExchange
@@ -178,17 +177,6 @@ BeetstraDragProps
 //    verbose true;
 }
 
-RongDragProps
-{
-    verbose true;
-    velFieldName "U";
-    voidfractionFieldName "voidfraction";
-    interpolation true;
-    implForceDEM true;
-    implForceDEMaccumulated true;
-    granVelFieldName "Us";
-}
-
 virtualMassForceProps
 {
     velFieldName "U";
diff --git a/tutorials/cfdemSolverPiso/ErgunTestMPI/DEM/in.liggghts_run b/tutorials/cfdemSolverPiso/ErgunTestMPI/DEM/in.liggghts_run
index 1d1306d0..e9ab59af 100644
--- a/tutorials/cfdemSolverPiso/ErgunTestMPI/DEM/in.liggghts_run
+++ b/tutorials/cfdemSolverPiso/ErgunTestMPI/DEM/in.liggghts_run
@@ -44,7 +44,6 @@ set         group all density 2000
 # cfd coupling
 fix         cfd all couple/cfd couple_every 100 mpi
 fix         cfd2 all couple/cfd/force/implicit
-#fix         cfd2 all couple/cfd/force/accumulator RongDrag 10 1.5e-3
 #fix         cfd2 all couple/cfd/force/implicit/accumulated #CrankNicolson 0.5
 
 # apply nve integration to all particles that are inserted as single particles
diff --git a/tutorials/cfdemSolverRhoPimple/ErgunTestMPI/CFD/constant/couplingProperties b/tutorials/cfdemSolverRhoPimple/ErgunTestMPI/CFD/constant/couplingProperties
index fe393283..20ce03dd 100644
--- a/tutorials/cfdemSolverRhoPimple/ErgunTestMPI/CFD/constant/couplingProperties
+++ b/tutorials/cfdemSolverRhoPimple/ErgunTestMPI/CFD/constant/couplingProperties
@@ -61,7 +61,6 @@ forceModels
     gradPForce
     viscForce
     //KochHillDrag
-    //RongDrag
     //Archimedes
     //volWeightedAverage
     //totalMomentumExchange
@@ -200,17 +199,6 @@ BeetstraDragProps
 //    verbose true;
 }
 
-RongDragProps
-{
-    verbose true;
-    velFieldName "U";
-    voidfractionFieldName "voidfraction";
-    interpolation true;
-    implForceDEM true;
-    implForceDEMaccumulated true;
-    granVelFieldName "Us";
-}
-
 virtualMassForceProps
 {
     velFieldName "U";