diff --git a/0.org/H3O() b/0.org/H3O()
index a2e26e3..d5c8f2c 100644
--- a/0.org/H3O()
+++ b/0.org/H3O()
@@ -10027,22 +10027,30 @@ boundaryField
 {
     nzLow
     {
-        type            fixedValue;
+        type            inletOutlet;
+        phi             phi_drift;
+        inletValue      uniform 0;
         value           uniform 0;
     }
     nzUpp
     {
-        type            fixedValue;
+        type            inletOutlet;
+        phi             phi_drift;
+        inletValue      uniform 0;
         value           uniform 0;
     }
     coLow
     {
-        type            fixedValue;
+        type            inletOutlet;
+        phi             phi_drift;
+        inletValue      uniform 0;
         value           uniform 0;
     }
     coUpp
     {
-        type            fixedValue;
+        type            inletOutlet;
+        phi             phi_drift;
+        inletValue      uniform 0;
         value           uniform 0;
     }
     outlet
diff --git a/0.org/HCO() b/0.org/HCO()
index 6e2feda..19976bc 100644
--- a/0.org/HCO()
+++ b/0.org/HCO()
@@ -10027,22 +10027,30 @@ boundaryField
 {
     nzLow
     {
-        type            fixedValue;
+        type            inletOutlet;
+        phi             phi_drift;
+        inletValue      uniform 0;
         value           uniform 0;
     }
     nzUpp
     {
-        type            fixedValue;
+        type            inletOutlet;
+        phi             phi_drift;
+        inletValue      uniform 0;
         value           uniform 0;
     }
     coLow
     {
-        type            fixedValue;
+        type            inletOutlet;
+        phi             phi_drift;
+        inletValue      uniform 0;
         value           uniform 0;
     }
     coUpp
     {
-        type            fixedValue;
+        type            inletOutlet;
+        phi             phi_drift;
+        inletValue      uniform 0;
         value           uniform 0;
     }
     outlet