diff --git a/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/CFD/constant/liggghtsCommands b/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/CFD/constant/liggghtsCommands
index d9e1ce81..acad8ffa 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/CFD/constant/liggghtsCommands
+++ b/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/CFD/constant/liggghtsCommands
@@ -26,7 +26,7 @@ FoamFile
 liggghtsCommandModels
 (
     runLiggghts
-    writeLiggghts
+    // writeLiggghts
 );
 // ************************************************************************* //
 
diff --git a/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/CFD/system/controlDict b/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/CFD/system/controlDict
index 5d544a47..8337fbe3 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/CFD/system/controlDict
+++ b/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/CFD/system/controlDict
@@ -23,7 +23,7 @@ startTime       0;
 
 stopAt          endTime;
 
-endTime         120.0;
+endTime         1200.0;
 
 deltaT          0.0001;
 
@@ -49,7 +49,7 @@ adjustTimeStep  yes;
 
 maxCo           0.5;
 
-maxDeltaT       0.1;
+//maxDeltaT       0.1;
 
 
 // ************************************************************************* //
diff --git a/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/DEM/in.liggghts_init b/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/DEM/in.liggghts_init
index b101d4c4..c386a753 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/DEM/in.liggghts_init
+++ b/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/DEM/in.liggghts_init
@@ -64,5 +64,5 @@ compute_modify  thermo_temp dynamic yes
 run     1
 dump    dmp all custom 100 post/dump.liggghts_init id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius 
 
-run         10000 upto
-write_restart   post/restart/liggghts.restart
+run        10000 upto 
+write_restart   ../DEM/post/restart/liggghts.restart
diff --git a/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/DEM/in.liggghts_run b/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/DEM/in.liggghts_run
index 0116e6b2..df5c6713 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/DEM/in.liggghts_run
+++ b/tutorials/cfdemSolverRhoPimpleChem/3layerUnreactedCore/DEM/in.liggghts_run
@@ -16,7 +16,7 @@ processors      2 2 1
 read_restart    ../DEM/post/restart/liggghts.restart
 
 neighbor        0.0005 bin
-neigh_modify    delay 0 binsize 0.01 ##0.01
+neigh_modify    delay 0 binsize 0.01 
 
 
 # Material properties required for granular pair styles
@@ -42,6 +42,8 @@ fix     ywalls2 all wall/gran model hertz tangential history primitive type 1 yp
 fix     zwalls1 all wall/gran model hertz tangential history primitive type 1 zplane 0.0
 fix     zwalls2 all wall/gran model hertz tangential history primitive type 1 zplane 0.5
 
+###############################################
+
 # cfd coupling
 fix     cfd all couple/cfd couple_every 100 mpi
 fix     cfd2 all couple/cfd/force