diff --git a/tutorials/combustion/XiFoam/les/pitzDaily/constant/g b/tutorials/combustion/XiFoam/les/pitzDaily/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/combustion/XiFoam/les/pitzDaily/constant/g
+++ b/tutorials/combustion/XiFoam/les/pitzDaily/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/combustion/XiFoam/les/pitzDaily3D/constant/g b/tutorials/combustion/XiFoam/les/pitzDaily3D/constant/g
index e6c990ee7a969afa942967ca0e9716f7ad9d5c4b..057403310a4dba8dc69f1470dd26d8a7d6d6b978 100644
--- a/tutorials/combustion/XiFoam/les/pitzDaily3D/constant/g
+++ b/tutorials/combustion/XiFoam/les/pitzDaily3D/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/combustion/XiFoam/ras/moriyoshiHomogeneous/constant/g b/tutorials/combustion/XiFoam/ras/moriyoshiHomogeneous/constant/g
index c86cc8bb1f980572f76b44209c4b883b23d0db82..ebc338b6f95f6c6fc2f91c580a9aabfba18eeb33 100644
--- a/tutorials/combustion/XiFoam/ras/moriyoshiHomogeneous/constant/g
+++ b/tutorials/combustion/XiFoam/ras/moriyoshiHomogeneous/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/combustion/dieselFoam/aachenBomb/constant/g b/tutorials/combustion/dieselFoam/aachenBomb/constant/g
index 71a0e64789057719ce02d5375c48940943cc7e7c..8978a89abf69953993a6c54a4b214a667bc07b16 100644
--- a/tutorials/combustion/dieselFoam/aachenBomb/constant/g
+++ b/tutorials/combustion/dieselFoam/aachenBomb/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      binary;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/combustion/engineFoam/kivaTest/constant/g b/tutorials/combustion/engineFoam/kivaTest/constant/g
index c86cc8bb1f980572f76b44209c4b883b23d0db82..ebc338b6f95f6c6fc2f91c580a9aabfba18eeb33 100644
--- a/tutorials/combustion/engineFoam/kivaTest/constant/g
+++ b/tutorials/combustion/engineFoam/kivaTest/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/heatTransfer/buoyantBoussinesqPisoFoam/hotRoom/constant/g b/tutorials/heatTransfer/buoyantBoussinesqPisoFoam/hotRoom/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqPisoFoam/hotRoom/constant/g
+++ b/tutorials/heatTransfer/buoyantBoussinesqPisoFoam/hotRoom/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/constant/g b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/constant/g
+++ b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/constant/g b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/constant/g
index 4f395927146d6c37fcda59ba9c816506171512d6..772688943e8e06bb5efc3f0badbc7a5f18858433 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/constant/g
+++ b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/heatTransfer/buoyantPisoFoam/hotRoom/constant/g b/tutorials/heatTransfer/buoyantPisoFoam/hotRoom/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/heatTransfer/buoyantPisoFoam/hotRoom/constant/g
+++ b/tutorials/heatTransfer/buoyantPisoFoam/hotRoom/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/heatTransfer/buoyantSimpleFoam/hotRoom/constant/g b/tutorials/heatTransfer/buoyantSimpleFoam/hotRoom/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/heatTransfer/buoyantSimpleFoam/hotRoom/constant/g
+++ b/tutorials/heatTransfer/buoyantSimpleFoam/hotRoom/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/constant/g b/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/constant/g
index 427e0d5515d659a26f00cb9d4eb7ac7bee57a9a4..52301bd399efc5883707c28a6b952c52d0242d6d 100644
--- a/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/constant/g
+++ b/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOM/constant/g b/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOM/constant/g
index 427e0d5515d659a26f00cb9d4eb7ac7bee57a9a4..52301bd399efc5883707c28a6b952c52d0242d6d 100644
--- a/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOM/constant/g
+++ b/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOM/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/constant/bottomAir/g b/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/constant/bottomAir/g
index 4c5b83c8435ed1e68de9dfa6e1653c908e694d64..4cada4ce7a6e9b9634aa323ae3a3e5168db1576c 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/constant/bottomAir/g
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/multiRegionHeater/constant/bottomAir/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     object      g;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/tutorials/incompressible/shallowWaterFoam/squareBump/constant/g b/tutorials/incompressible/shallowWaterFoam/squareBump/constant/g
index 0125923f1ebac46d2647490db10b0a919bbf5506..5f7711c728dc5e6b1fa910c471887661452443ab 100644
--- a/tutorials/incompressible/shallowWaterFoam/squareBump/constant/g
+++ b/tutorials/incompressible/shallowWaterFoam/squareBump/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     object      g;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/g b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/g
index c9406d1b60f063a673bd776e952bddcf0bcfeb04..2a85082e8bc0255c1c21aebba597279a6abe1310 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/g
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/g b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/g
index 6d927430326dcc73f8dfdf08681f109e6500f6e7..bdd181732836af1212feba64da13dc1d02e3be79 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/g
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/g b/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/g
index 6d927430326dcc73f8dfdf08681f109e6500f6e7..bdd181732836af1212feba64da13dc1d02e3be79 100644
--- a/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/g
+++ b/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/g b/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/g
+++ b/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/mesh/snappyHexMesh/multiRegionMesh/constant/bottomAir/g b/tutorials/mesh/snappyHexMesh/multiRegionMesh/constant/bottomAir/g
index 4c5b83c8435ed1e68de9dfa6e1653c908e694d64..4cada4ce7a6e9b9634aa323ae3a3e5168db1576c 100644
--- a/tutorials/mesh/snappyHexMesh/multiRegionMesh/constant/bottomAir/g
+++ b/tutorials/mesh/snappyHexMesh/multiRegionMesh/constant/bottomAir/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     object      g;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/tutorials/multiphase/bubbleFoam/bubbleColumn/constant/g b/tutorials/multiphase/bubbleFoam/bubbleColumn/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/multiphase/bubbleFoam/bubbleColumn/constant/g
+++ b/tutorials/multiphase/bubbleFoam/bubbleColumn/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/g b/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/g
index 5eec6f2b2ebd835b4e4269bc9d6ca28f2fcbf6f3..e0ac2653b5b370ad62f6770588121d30cac51627 100644
--- a/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/g
+++ b/tutorials/multiphase/compressibleInterFoam/les/depthCharge2D/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/compressibleInterFoam/les/depthCharge3D/constant/g b/tutorials/multiphase/compressibleInterFoam/les/depthCharge3D/constant/g
index 5eec6f2b2ebd835b4e4269bc9d6ca28f2fcbf6f3..e0ac2653b5b370ad62f6770588121d30cac51627 100644
--- a/tutorials/multiphase/compressibleInterFoam/les/depthCharge3D/constant/g
+++ b/tutorials/multiphase/compressibleInterFoam/les/depthCharge3D/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interDyMFoam/ras/damBreakWithObstacle/constant/g b/tutorials/multiphase/interDyMFoam/ras/damBreakWithObstacle/constant/g
index 427e0d5515d659a26f00cb9d4eb7ac7bee57a9a4..52301bd399efc5883707c28a6b952c52d0242d6d 100644
--- a/tutorials/multiphase/interDyMFoam/ras/damBreakWithObstacle/constant/g
+++ b/tutorials/multiphase/interDyMFoam/ras/damBreakWithObstacle/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interDyMFoam/ras/sloshingTank2D/constant/g b/tutorials/multiphase/interDyMFoam/ras/sloshingTank2D/constant/g
index c6d6aa8eef27192ccd165eb2194abd6173cf0275..897615a50df92736e7b9c64bb2e64fba539496fc 100644
--- a/tutorials/multiphase/interDyMFoam/ras/sloshingTank2D/constant/g
+++ b/tutorials/multiphase/interDyMFoam/ras/sloshingTank2D/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interDyMFoam/ras/sloshingTank2D3DoF/constant/g b/tutorials/multiphase/interDyMFoam/ras/sloshingTank2D3DoF/constant/g
index c6d6aa8eef27192ccd165eb2194abd6173cf0275..897615a50df92736e7b9c64bb2e64fba539496fc 100644
--- a/tutorials/multiphase/interDyMFoam/ras/sloshingTank2D3DoF/constant/g
+++ b/tutorials/multiphase/interDyMFoam/ras/sloshingTank2D3DoF/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D/constant/g b/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D/constant/g
index c6d6aa8eef27192ccd165eb2194abd6173cf0275..897615a50df92736e7b9c64bb2e64fba539496fc 100644
--- a/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D/constant/g
+++ b/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D3DoF/constant/g b/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D3DoF/constant/g
index c6d6aa8eef27192ccd165eb2194abd6173cf0275..897615a50df92736e7b9c64bb2e64fba539496fc 100644
--- a/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D3DoF/constant/g
+++ b/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D3DoF/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D6DoF/constant/g b/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D6DoF/constant/g
index c6d6aa8eef27192ccd165eb2194abd6173cf0275..897615a50df92736e7b9c64bb2e64fba539496fc 100644
--- a/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D6DoF/constant/g
+++ b/tutorials/multiphase/interDyMFoam/ras/sloshingTank3D6DoF/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interFoam/MRFInterFoam/mixerVessel2D/constant/g b/tutorials/multiphase/interFoam/MRFInterFoam/mixerVessel2D/constant/g
index 844d7a83785572cf98f0d6357dd0f292859989f3..7b4411955d2c11bc6b8d7253f832f3bfa325275c 100644
--- a/tutorials/multiphase/interFoam/MRFInterFoam/mixerVessel2D/constant/g
+++ b/tutorials/multiphase/interFoam/MRFInterFoam/mixerVessel2D/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interFoam/laminar/damBreak/constant/g b/tutorials/multiphase/interFoam/laminar/damBreak/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/multiphase/interFoam/laminar/damBreak/constant/g
+++ b/tutorials/multiphase/interFoam/laminar/damBreak/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interFoam/les/nozzleFlow2D/constant/g b/tutorials/multiphase/interFoam/les/nozzleFlow2D/constant/g
index c86cc8bb1f980572f76b44209c4b883b23d0db82..ebc338b6f95f6c6fc2f91c580a9aabfba18eeb33 100644
--- a/tutorials/multiphase/interFoam/les/nozzleFlow2D/constant/g
+++ b/tutorials/multiphase/interFoam/les/nozzleFlow2D/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/interFoam/ras/damBreak/constant/g b/tutorials/multiphase/interFoam/ras/damBreak/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/multiphase/interFoam/ras/damBreak/constant/g
+++ b/tutorials/multiphase/interFoam/ras/damBreak/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phase/constant/g b/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phase/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phase/constant/g
+++ b/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phase/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phaseFine/constant/g b/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phaseFine/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phaseFine/constant/g
+++ b/tutorials/multiphase/multiphaseInterFoam/laminar/damBreak4phaseFine/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/settlingFoam/ras/dahl/constant/g b/tutorials/multiphase/settlingFoam/ras/dahl/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/multiphase/settlingFoam/ras/dahl/constant/g
+++ b/tutorials/multiphase/settlingFoam/ras/dahl/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/settlingFoam/ras/tank3D/constant/g b/tutorials/multiphase/settlingFoam/ras/tank3D/constant/g
index 5eec6f2b2ebd835b4e4269bc9d6ca28f2fcbf6f3..e0ac2653b5b370ad62f6770588121d30cac51627 100644
--- a/tutorials/multiphase/settlingFoam/ras/tank3D/constant/g
+++ b/tutorials/multiphase/settlingFoam/ras/tank3D/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/twoPhaseEulerFoam/bed/constant/g b/tutorials/multiphase/twoPhaseEulerFoam/bed/constant/g
index 03586845f30500f56eb41616b2d526d1bd08d826..8b2810b651e847a3a109789771a6dcd3e3e7da9c 100644
--- a/tutorials/multiphase/twoPhaseEulerFoam/bed/constant/g
+++ b/tutorials/multiphase/twoPhaseEulerFoam/bed/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      binary;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/twoPhaseEulerFoam/bed2/constant/g b/tutorials/multiphase/twoPhaseEulerFoam/bed2/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/multiphase/twoPhaseEulerFoam/bed2/constant/g
+++ b/tutorials/multiphase/twoPhaseEulerFoam/bed2/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }
diff --git a/tutorials/multiphase/twoPhaseEulerFoam/bubbleColumn/constant/g b/tutorials/multiphase/twoPhaseEulerFoam/bubbleColumn/constant/g
index 22bddf9891b3c3a50b8f45801907cccf270bd937..2b77c937a2531f9bb7629ad8f4acc7dd7ff29bfb 100644
--- a/tutorials/multiphase/twoPhaseEulerFoam/bubbleColumn/constant/g
+++ b/tutorials/multiphase/twoPhaseEulerFoam/bubbleColumn/constant/g
@@ -9,7 +9,7 @@ FoamFile
 {
     version     2.0;
     format      ascii;
-    class       dictionary;
+    class       uniformDimensionedVectorField;
     location    "constant";
     object      g;
 }