INT: waveMaker boundary condition - added dynamic wave paddle of a solitary wave

Based on Goring et al., 1980

src/waveModels/derivedPointPatchFields/waveMaker/waveMakerPointPatchVectorField.C

@@ -3,9 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2018 OpenCFD Ltd.
-     \\/     M anipulation  |
--------------------------------------------------------------------------------
-                            | Copyright (C) 2018 IH-Cantabria
+     \\/     M anipulation  | Copyright (C) 2018 IH-Cantabria
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -38,7 +36,8 @@ const Foam::Enum<Foam::waveMakerPointPatchVectorField::motionTypes>
 Foam::waveMakerPointPatchVectorField::motionTypeNames
 ({
     { motionTypes::piston, "piston" },
-    { motionTypes::flap, "flap" }
+    { motionTypes::flap, "flap" },
+    { motionTypes::solitary, "solitary" }
 });
 
 
@@ -60,9 +59,9 @@ const Foam::vector& Foam::waveMakerPointPatchVectorField::g()
 }
 
 
-Foam::scalar Foam::waveMakerPointPatchVectorField::waveLength 
+Foam::scalar Foam::waveMakerPointPatchVectorField::waveLength
 (
-    const scalar h, 
+    const scalar h,
     const scalar T
 )
 {
@@ -104,7 +103,7 @@ Foam::waveMakerPointPatchVectorField::waveMakerPointPatchVectorField
     waveHeight_(0),
     wavePhase_(0),
     waveLength_(0),
-    rampTime_(0),
+    rampTime_(1),
     secondOrder_(false)
 {}
 
@@ -117,7 +116,7 @@ Foam::waveMakerPointPatchVectorField::waveMakerPointPatchVectorField
 )
 :
     fixedValuePointPatchField<vector>(p, iF, dict, false),
-    motionType_(motionTypeNames.get("motionType", dict)),
+    motionType_(motionTypeNames.lookup("motionType", dict)),
     n_(dict.get<vector>("n")),
     gHat_(Zero),
     initialDepth_(dict.get<scalar>("initialDepth")),
@@ -216,7 +215,7 @@ void Foam::waveMakerPointPatchVectorField::updateCoeffs()
 
             if (secondOrder_)
             {
-                motionX += 
+                motionX +=
                     sqr(waveHeight_)/(16*initialDepth_)
                    *(3*cosh(kh)/pow3(sinh(kh)) - 2/m1)
                    *sin(2*sigma*t);
@@ -240,7 +239,7 @@ void Foam::waveMakerPointPatchVectorField::updateCoeffs()
 
             if (secondOrder_)
             {
-                motionX += 
+                motionX +=
                     sqr(waveHeight_)
                    /(32*initialDepth_)*(3*cosh(kh)
                    /pow3(sinh(kh)) - 2/m1);
@@ -250,6 +249,54 @@ void Foam::waveMakerPointPatchVectorField::updateCoeffs()
 
             break;
         }
+        case motionTypes::solitary:
+        {
+        const scalar kappa_ = sqrt(3.0/4.0*waveHeight_/(pow(initialDepth_,3)));
+            const scalar waveCelerity_ = sqrt(mag(g())*(initialDepth_+waveHeight_));
+            const scalar stroke_ = sqrt(16.0*waveHeight_*initialDepth_/3.0);
+            wavePeriod_ = (2.0 / ( kappa_*waveCelerity_ ))*(3.8 + waveHeight_/
+                    initialDepth_);
+
+            scalar motionX = 0;
+            const scalar error=0.001;
+
+       if (onlyFirst==0)
+       {
+               tAux =  -wavePeriod_/2.0 + (t-tOld);
+       }
+       else
+           {
+           tAux =  tAuxOld + (t-tOld);
+       }
+
+        //Newton-Rapshon
+            scalar theta1OF=0;
+            scalar theta2OF=0;
+            scalar er=10000;
+            while (er>error)
+        {
+                    theta2OF = theta1OF - (theta1OF - kappa_*waveCelerity_*tAux
+            + (waveHeight_/initialDepth_)*tanh(theta1OF) )
+                        / ( 1.0 + (waveHeight_/initialDepth_)*(1.0/cosh(theta1OF))*(1.0/cosh(theta1OF)));
+
+                    er=fabs(theta1OF-theta2OF);
+                    theta1OF=theta2OF;
+            }
+
+            motionX = waveHeight_ / (kappa_*initialDepth_)*tanh(theta1OF) + stroke_/2.0;
+
+            if (tAux != 0)
+            {
+                onlyFirst = 1;
+            }
+
+            tOld =  t;
+            tAuxOld = tAux;
+
+            Field<vector>::operator=(n_*motionX);
+
+            break;
+        }
         default:
         {
             FatalErrorInFunction
@@ -257,7 +304,7 @@ void Foam::waveMakerPointPatchVectorField::updateCoeffs()
                 << abort(FatalError);
         }
     }
-        
+
 
     fixedValuePointPatchField<vector>::updateCoeffs();
 }

src/waveModels/derivedPointPatchFields/waveMaker/waveMakerPointPatchVectorField.H

@@ -3,9 +3,7 @@
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
     \\  /    A nd           | Copyright (C) 2018 OpenCFD Ltd.
-     \\/     M anipulation  |
--------------------------------------------------------------------------------
-                            | Copyright (C) 2018 IH-Cantabria
+     \\/     M anipulation  | Copyright (C) 2018 IH-Cantabria
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -42,7 +40,7 @@ Usage
     \verbatim
     leftwall
     {
-        type            waveMaker; 
+        type            waveMaker;
         motionType      flap;
         n               (1 0 0);
         initialDepth    0.25;
@@ -100,7 +98,8 @@ class waveMakerPointPatchVectorField
         enum motionTypes
         {
             piston,
-            flap
+            flap,
+        solitary
         };
 
         //- Names for motion types
@@ -141,6 +140,13 @@ class waveMakerPointPatchVectorField
         //- On/off second order calculation switch
         scalar secondOrder_;
 
+        //- Solitary time [-T/2, T/2]
+    scalar tOld = 0;
+    scalar tAux = 0;
+    scalar tAuxOld = 0;
+
+    scalar onlyFirst = 0;
+
 
     // Protected Member Functions
 

tutorials/multiphase/interFoam/laminar/waveMakerSolitary/0.orig/U

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.7.x                                 |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volVectorField;
+    location    "0";
+    object      U;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 -1 0 0 0 0];
+
+internalField   uniform (0 0 0);
+
+boundaryField
+{
+    inlet
+    {
+        type            movingWallVelocity;
+        value           uniform (0 0 0);
+    }
+
+    outlet
+    {
+        type            waveVelocity;
+        value           uniform (0 0 0);
+    }
+
+    front1
+    {
+        type            empty;
+    }
+    back1
+    {
+        type            empty;
+    }
+    front2
+    {
+        type            empty;
+    }
+    back2
+    {
+        type            empty;
+    }
+
+    ground1
+    {
+        type            fixedValue;
+        value           uniform (0 0 0);
+    }
+    ground2
+    {
+        type            fixedValue;
+        value           uniform (0 0 0);
+    }
+
+    top1
+    {
+        type            pressureInletOutletVelocity;
+        value           uniform (0 0 0);
+    }
+    top2
+    {
+        type            pressureInletOutletVelocity;
+        value           uniform (0 0 0);
+    }
+
+}
+
+// ************************************************************************* //

tutorials/multiphase/interFoam/laminar/waveMakerSolitary/0.orig/alpha.water

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5-dev                               |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    object      alpha.water;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 0 0 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    inlet
+    {
+        type            zeroGradient;
+    }
+
+    outlet
+    {
+        type            zeroGradient;
+    }
+
+    ground1
+    {
+        type            zeroGradient;
+    }
+    ground2
+    {
+        type            zeroGradient;
+    }
+    
+    front1
+    {
+        type            empty;
+    }
+    back1
+    {
+        type            empty;
+    }
+
+    front2
+    {
+        type            empty;
+    }
+    back2
+    {
+        type            empty;
+    }
+
+    top1
+    {
+        type            inletOutlet;
+        inletValue      uniform 0;
+        value           uniform 0;
+    }
+    top2
+    {
+        type            inletOutlet;
+        inletValue      uniform 0;
+        value           uniform 0;
+    }
+}
+
+// ************************************************************************* //

tutorials/multiphase/interFoam/laminar/waveMakerSolitary/0.orig/p_rgh

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5-dev                               |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    object      p_rgh;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -2 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    inlet 
+    {
+        type            fixedFluxPressure;
+        value           uniform 0;
+    }
+
+    outlet 
+    {
+        type            fixedFluxPressure;
+        value           uniform 0;
+    }
+
+    ground1
+    {
+        type            fixedFluxPressure;
+        value           uniform 0;
+    }
+    ground2
+    {
+        type            fixedFluxPressure;
+        value           uniform 0;
+    }
+
+    front1
+    {
+        type            empty;
+    }
+    back1
+    {
+        type            empty;
+    }
+    front2
+    {
+        type            empty;
+    }
+    back2
+    {
+        type            empty;
+    }
+
+    top1
+    {
+        type            totalPressure;
+        U               U;
+        phi             phi;
+        rho             rho;
+        psi             none;
+        gamma           1;
+        p0              uniform 0;
+        value           uniform 0;
+    }
+    top2
+    {
+        type            totalPressure;
+        U               U;
+        phi             phi;
+        rho             rho;
+        psi             none;
+        gamma           1;
+        p0              uniform 0;
+        value           uniform 0;
+    }
+}
+
+
+// ************************************************************************* //

tutorials/multiphase/interFoam/laminar/waveMakerSolitary/0.orig/pointDisplacement

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  2.3.0                                 |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       pointVectorField;
+    object      pointDisplacement;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 0 0 0 0 0];
+
+internalField   uniform (0 0 0);
+
+boundaryField
+{
+    ground1
+    {
+        type            zeroGradient;
+    }
+    ground2
+    {
+        type            fixedValue;
+        value           uniform (0 0 0);
+    }
+    inlet
+    {
+        type            waveMaker; 
+        value           uniform (0 0 0);
+
+        motionType      solitary;
+        x0              (0 0 0);
+        n               (1 0 0);
+        waveHeight      0.1;
+        initialDepth    0.2;
+        wavePeriod      1.0;
+        rampTime        1.0;
+        wavePhase       0;
+    }
+    back1
+    {
+        type            empty;
+    }
+    back2
+    {
+        type            empty;
+    }
+    front1
+    {
+        type            empty;
+    }
+    front2
+    {
+        type            empty;
+    }
+    outlet
+    {
+        type            fixedValue;
+        value           uniform (0 0 0);
+    }
+    top1
+    {
+        type            zeroGradient;
+    }
+    top2
+    {
+        type            zeroGradient;
+    }
+}
+
+
+// ************************************************************************* //

tutorials/multiphase/interFoam/laminar/waveMakerSolitary/Allclean

+#!/bin/sh
+cd ${0%/*} || exit 1                        # Run from this directory
+. $WM_PROJECT_DIR/bin/tools/CleanFunctions  # Tutorial clean functions
+
+cleanCase0
+
+#------------------------------------------------------------------------------

tutorials/multiphase/interFoam/laminar/waveMakerSolitary/Allrun

+#!/bin/sh
+cd ${0%/*} || exit 1                        # Run from this directory
+. $WM_PROJECT_DIR/bin/tools/RunFunctions    # Tutorial run functions
+
+restore0Dir
+
+runApplication blockMesh
+
+runApplication decomposePar
+
+runParallel setFields
+
+runParallel $(getApplication)
+
+#------------------------------------------------------------------------------

tutorials/multiphase/interFoam/laminar/waveMakerSolitary/constant/dynamicMeshDict

+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  2.0.0                                 |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      dynamicMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dynamicFvMesh      dynamicMotionSolverFvMesh;
+motionSolverLibs ("libfvMotionSolvers.so");
+
+solver            displacementLaplacian;
+
+displacementLaplacianCoeffs
+{
+	diffusivity       inverseDistance (inlet);
+}
+
+// ************************************************************************* //

tutorials/multiphase/interFoam/laminar/waveMakerSolitary/constant/g

+/*--------------------------------*- C++-*----------------------------------*\\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  2.1.1                                 |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       uniformDimensionedVectorField;
+    location    "constant";
+    object      g;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 -2 0 0 0 0];
+value           ( 0.0 0.0 -9.81 );
+
+// ************************************************************************* //
+

tutorials/multiphase/interFoam/laminar/waveMakerSolitary/constant/transportProperties

+/*---------------------------------------------------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.3                                   |
+|   \\  /    A nd           | Web:      http://www.openfoam.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    location    "constant";
+    object      transportProperties;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+phases (water air);
+
+water
+{
+    transportModel  Newtonian;
+    nu              [0 2 -1 0 0 0 0] 1e-06;
+    rho             [1 -3 0 0 0 0 0] 1000;
+}
+
+air
+{
+    transportModel  Newtonian;
+    nu              [0 2 -1 0 0 0 0] 1.48e-05;
+    rho             [1 -3 0 0 0 0 0] 1;
+}
+
+sigma           [1 0 -2 0 0 0 0] 0.07;