diff --git a/src/fvOptions/sources/derived/velocityRamping/velocityRamping.H b/src/fvOptions/sources/derived/velocityRamping/velocityRamping.H
index 9d92e09c99..f15d890052 100644
--- a/src/fvOptions/sources/derived/velocityRamping/velocityRamping.H
+++ b/src/fvOptions/sources/derived/velocityRamping/velocityRamping.H
@@ -40,7 +40,7 @@ Usage
         velocity    (-2.572 0 0);
         ramp
         {
-            type        quarterSineRamp;
+            type        halfCosineRamp;
             start       0;
             duration    10;
         }
diff --git a/src/fvOptions/sources/derived/verticalDamping/verticalDamping.C b/src/fvOptions/sources/derived/verticalDamping/verticalDamping.C
index ab6e1e1089..99ab064407 100644
--- a/src/fvOptions/sources/derived/verticalDamping/verticalDamping.C
+++ b/src/fvOptions/sources/derived/verticalDamping/verticalDamping.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2017 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2017-2018 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -28,6 +28,7 @@ License
 #include "fvMatrix.H"
 #include "geometricOneField.H"
 #include "meshTools.H"
+#include "Function1.H"
 #include "uniformDimensionedFields.H"
 #include "addToRunTimeSelectionTable.H"
 
@@ -59,6 +60,14 @@ void Foam::fv::verticalDamping::add
 
     const DimensionedField<scalar, volMesh>& V = mesh_.V();
 
+    // Calculate the scale
+    const scalarField s
+    (
+        ramp_.valid()
+      ? ramp_->value((mesh_.cellCentres() - origin_) & direction_)
+      : tmp<scalarField>(new scalarField(mesh_.nCells(), 1))
+    );
+
     // Check dimensions
     eqn.dimensions()
       - V.dimensions()*(lgg.dimensions() & alphaRhoU.dimensions());
@@ -68,7 +77,7 @@ void Foam::fv::verticalDamping::add
     forAll(cells_, i)
     {
         const label c = cells_[i];
-        force[i] = V[c]*(lgg.value() & alphaRhoU[c]);
+        force[i] = V[c]*s[c]*(lgg.value() & alphaRhoU[c]);
     }
     meshTools::constrainDirection(mesh_, mesh_.solutionD(), force);
     forAll(cells_, i)
@@ -90,7 +99,10 @@ Foam::fv::verticalDamping::verticalDamping
 )
 :
     cellSetOption(name, modelType, dict, mesh),
-    lambda_("lambda", dimless/dimTime, coeffs_.lookup("lambda"))
+    lambda_("lambda", dimless/dimTime, coeffs_.lookup("lambda")),
+    ramp_(),
+    origin_(),
+    direction_()
 {
     read(dict);
 }
@@ -143,6 +155,25 @@ bool Foam::fv::verticalDamping::read(const dictionary& dict)
                 coeffs_.lookup(lambda_.name())
             );
 
+        const bool foundRamp = coeffs_.found("ramp");
+        const bool foundOrigin = coeffs_.found("origin");
+        const bool foundDirection = coeffs_.found("direction");
+        if (foundRamp && foundOrigin && foundDirection)
+        {
+            ramp_ = Function1<scalar>::New("ramp", coeffs_);
+            coeffs_.lookup("origin") >> origin_;
+            coeffs_.lookup("direction") >> direction_;
+            direction_ /= mag(direction_);
+        }
+        else if (foundRamp || foundOrigin || foundDirection)
+        {
+            WarningInFunction
+                << "The ramping specification is incomplete. \"ramp\", "
+                << "\"origin\" and \"direction\", must all be specified in "
+                << "order to ramp the damping. The damping will be applied "
+                << "uniformly across the cell set." << endl;
+        }
+
         fieldNames_ = wordList(1, coeffs_.lookupOrDefault<word>("U", "U"));
 
         applied_.setSize(1, false);
diff --git a/src/fvOptions/sources/derived/verticalDamping/verticalDamping.H b/src/fvOptions/sources/derived/verticalDamping/verticalDamping.H
index 1eaef6aa77..d43896470b 100644
--- a/src/fvOptions/sources/derived/verticalDamping/verticalDamping.H
+++ b/src/fvOptions/sources/derived/verticalDamping/verticalDamping.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2017 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2017-2018 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -67,6 +67,30 @@ Usage
     }
     \endverbatim
 
+    Example usage with graduated onset:
+    \verbatim
+    verticalDamping1
+    {
+        type            verticalDamping;
+
+        selectionMode   all;
+
+        origin          (1200 0 0);
+        direction       (1 0 0);
+        ramp
+        {
+            type        halfCosineRamp;
+            start       0;
+            duration    600;
+        }
+
+        lambda          [0 0 -1 0 0 0 0] 1; // Damping coefficient
+
+        timeStart       0;
+        duration        1e6;
+    }
+    \endverbatim
+
 SourceFiles
     verticalDamping.C
 
@@ -81,6 +105,9 @@ SourceFiles
 
 namespace Foam
 {
+
+template<class Type> class Function1;
+
 namespace fv
 {
 
@@ -99,6 +126,15 @@ private:
         //- Damping coefficient [1/s]
         dimensionedScalar lambda_;
 
+        //- The ramping function
+        autoPtr<Function1<scalar>> ramp_;
+
+        //- Origin of the ramping coordinate
+        vector origin_;
+
+        //- Direction of increasing ramping coordinate
+        vector direction_;
+
 
     // Private Member Functions
 
diff --git a/tutorials/multiphase/interFoam/laminar/wave/Allrun b/tutorials/multiphase/interFoam/laminar/wave/Allrun
index c3b6a368c8..99393456ad 100755
--- a/tutorials/multiphase/interFoam/laminar/wave/Allrun
+++ b/tutorials/multiphase/interFoam/laminar/wave/Allrun
@@ -22,8 +22,6 @@ do
     runApplication -s $i refineMesh -dict system/refineMeshDictY -overwrite
 done
 
-runApplication topoSet
-
 runApplication setWaves -alpha alpha.water
 
 runApplication decomposePar
diff --git a/tutorials/multiphase/interFoam/laminar/wave/constant/fvOptions b/tutorials/multiphase/interFoam/laminar/wave/constant/fvOptions
index a2691bbb96..73a539fbff 100644
--- a/tutorials/multiphase/interFoam/laminar/wave/constant/fvOptions
+++ b/tutorials/multiphase/interFoam/laminar/wave/constant/fvOptions
@@ -19,10 +19,18 @@ option1
 {
     type            verticalDamping;
 
-    selectionMode   cellZone;
-    cellZone        right;
+    selectionMode   all;
 
-    lambda          0.1;
+    origin          (1200 0 0);
+    direction       (1 0 0);
+    ramp
+    {
+        type        halfCosineRamp;
+        start       0;
+        duration    600;
+    }
+
+    lambda          0.5;
 
     timeStart       0;
     duration        1e6;
diff --git a/tutorials/multiphase/interFoam/laminar/wave/system/topoSetDict b/tutorials/multiphase/interFoam/laminar/wave/system/topoSetDict
deleted file mode 100644
index d9f4d4ef83..0000000000
--- a/tutorials/multiphase/interFoam/laminar/wave/system/topoSetDict
+++ /dev/null
@@ -1,42 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  dev                                   |
-|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       dictionary;
-    location    "system";
-    object      topoSetDict;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-actions
-(
-    {
-        name    right;
-        type    cellSet;
-        action  new;
-        source  boxToCell;
-        sourceInfo
-        {
-            box (1800 -1e6 -1e6) (1e6 1e6 1e6);
-        }
-    }
-    {
-        name    right;
-        type    cellZoneSet;
-        action  new;
-        source  setToCellZone;
-        sourceInfo
-        {
-            set right;
-        }
-    }
-);
-
-// ************************************************************************* //