diff --git a/constant/polyMesh/blockMeshDict b/constant/polyMesh/blockMeshDict
index 27c247d..2f5b4ab 100644
--- a/constant/polyMesh/blockMeshDict
+++ b/constant/polyMesh/blockMeshDict
@@ -20,25 +20,25 @@ vertices
 (
 (  0.0000000000000e+00  0.0000000000000e+00 -0.0000000000000e+00 ) // 0
 (  1.1499562115238e+00  0.0000000000000e+00 -1.0035515823130e-02 ) // 1
-(  1.1499562115238e+00  1.0000000000000e+02 -1.0035515823130e-02 ) // 2
-(  0.0000000000000e+00  1.0000000000000e+02 -0.0000000000000e+00 ) // 3
+(  1.1499562115238e+00  2.0000000000000e+02 -1.0035515823130e-02 ) // 2
+(  0.0000000000000e+00  2.0000000000000e+02 -0.0000000000000e+00 ) // 3
 (  1.1499562115238e+00  0.0000000000000e+00  1.0035515823130e-02 ) // 4
-(  1.1499562115238e+00  1.0000000000000e+02  1.0035515823130e-02 ) // 5
+(  1.1499562115238e+00  2.0000000000000e+02  1.0035515823130e-02 ) // 5
 (  1.1499562115238e+00  0.0000000000000e+00 -1.0035515823130e-02 ) // 6
 (  1.4999428845963e+01  0.0000000000000e+00 -1.3089803247561e-01 ) // 7
-(  1.4999428845963e+01  1.0000000000000e+02 -1.3089803247561e-01 ) // 8
-(  1.1499562115238e+00  1.0000000000000e+02 -1.0035515823130e-02 ) // 9
+(  1.4999428845963e+01  2.0000000000000e+02 -1.3089803247561e-01 ) // 8
+(  1.1499562115238e+00  2.0000000000000e+02 -1.0035515823130e-02 ) // 9
 (  1.1499562115238e+00  0.0000000000000e+00  1.0035515823130e-02 ) // 10
 (  1.4999428845963e+01  0.0000000000000e+00  1.3089803247561e-01 ) // 11
-(  1.4999428845963e+01  1.0000000000000e+02  1.3089803247561e-01 ) // 12
-(  1.1499562115238e+00  1.0000000000000e+02  1.0035515823130e-02 ) // 13
+(  1.4999428845963e+01  2.0000000000000e+02  1.3089803247561e-01 ) // 12
+(  1.1499562115238e+00  2.0000000000000e+02  1.0035515823130e-02 ) // 13
 )
 ;
 
 blocks
 (
- hex ( 0 1 2 3 0 4 5 3 ) ( 18 1000 1 ) simpleGrading ( 1 1 1 ) // inner
- hex ( 6 7 8 9 10 11 12 13 ) ( 102 1000 1 ) simpleGrading ( 3.8 1 1 ) // coflow
+ hex ( 0 1 2 3 0 4 5 3 ) ( 18 2000 1 ) simpleGrading ( 1 1 1 ) // inner
+ hex ( 6 7 8 9 10 11 12 13 ) ( 102 2000 1 ) simpleGrading ( 3.8 1 1 ) // coflow
 )
 ;
 
diff --git a/constant/thermophysicalProperties b/constant/thermophysicalProperties
index 19d26ec..9565965 100644
--- a/constant/thermophysicalProperties
+++ b/constant/thermophysicalProperties
@@ -26,7 +26,7 @@ thermoType
     specie          specie;
 }
 
-inertSpecie N2;
+inertSpecie AR;
 
 chemistryReader foamChemistryReader;
 
diff --git a/system/controlDict b/system/controlDict
index 245d6a6..6fbd882 100644
--- a/system/controlDict
+++ b/system/controlDict
@@ -98,7 +98,7 @@ functions
         exclusiveWriting     false;
         writeControl   clockTime;
         writeInterval  900;
-        objects     (T OH CH);
+        objects     (U T OH CH);
     }
 }
 
diff --git a/system/fvOptions b/system/fvOptions
index 7f2c6d2..71ae9e3 100644
--- a/system/fvOptions
+++ b/system/fvOptions
@@ -18,7 +18,7 @@ FoamFile
 source1
 {
     type            fixedTemperatureConstraint;
-    active          true;
+    active          false;
 
     fixedTemperatureConstraintCoeffs
     {
diff --git a/system/mapFieldsDict b/system/mapFieldsDict
new file mode 100644
index 0000000..d5c475d
--- /dev/null
+++ b/system/mapFieldsDict
@@ -0,0 +1,23 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  4.x                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    location    "system";
+    object      mapFieldsDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+patchMap        (nzLow nzLow);
+
+cuttingPatches  ();
+
+
+// ************************************************************************* //