ENH:

Update of overRhoPimpleDyMFoam and overInterDyMFoam solvers.
Adding corresponding tutorials with best possible settings
The main effort was put on reducing pressure spikes as the
stencil change with hole cells on the background mesh.

tutorials/multiphase/overInterDyMFoam/floatingBody/background/constant/dynamicMeshDict

@@ -61,6 +61,7 @@ sixDoFRigidBodyMotionCoeffs
 
     report          on;
     accelerationRelaxation 0.6;
+    accelerationDamping    0.9;
 
     solver
     {

tutorials/multiphase/overInterDyMFoam/floatingBody/background/constant/transportProperties

@@ -30,6 +30,6 @@ air
     rho             rho [ 1 -3 0 0 0 0 0 ] 1;
 }
 
-sigma           sigma [ 1 0 -2 0 0 0 0 ] 0;
+sigma           sigma [ 1 0 -2 0 0 0 0 ] 0.007;
 
 // ************************************************************************* //

tutorials/multiphase/overInterDyMFoam/floatingBody/background/system/blockMeshDict

@@ -18,19 +18,19 @@ scale   1;
 
 vertices
 (
-    (0 0 0)
-    (1 0 0)
-    (1 1 0)
-    (0 1 0)
-    (0 0 1)
-    (1 0 1)
-    (1 1 1)
-    (0 1 1)
+    (-0.2  -0.2 -0.2)
+    (1.2   -0.2 -0.2)
+    (1.2    1.2 -0.2)
+    (-0.2   1.2 -0.2)
+    (-0.2  -0.2 1)
+    (1.2   -0.2 1)
+    (1.2    1.2 1)
+    (-0.2   1.2 1)
 );
 
 blocks
 (
-    hex (0 1 2 3 4 5 6 7) (35 35 35) simpleGrading (1 1 1)
+    hex (0 1 2 3 4 5 6 7) (80 80 70) simpleGrading (1 1 1)
 );
 
 edges

tutorials/multiphase/overInterDyMFoam/floatingBody/background/system/controlDict

@@ -14,24 +14,30 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-// Load the additional patches, patchFields etc.
 libs            ("liboverset.so");
 
+DebugSwitches
+{
+    overset                 0;
+    dynamicOversetFvMesh    0;
+    cellVolumeWeight        1;
+}
+
 application     overInterDyMFoam ;
 
-startFrom       latestTime;//startTime;
+startFrom       latestTime;
 
 startTime       0.0;
 
 stopAt          endTime;
 
-endTime         4;
+endTime         15;
 
 deltaT          0.001;
 
 writeControl    adjustableRunTime;
 
-writeInterval   0.1;
+writeInterval   0.5;
 
 purgeWrite      0;
 
@@ -49,8 +55,55 @@ runTimeModifiable yes;
 
 adjustTimeStep  yes;
 
-maxCo           2.0;
+maxCo           1.5;
 maxAlphaCo      2.0;
 maxDeltaT       1;
 
+functions
+{
+    probes
+    {
+        type            probes;
+        libs            ("libsampling.so");
+
+        // Name of the directory for probe data
+        name            probes;
+
+        // Write at same frequency as fields
+        writeControl    timeStep;
+        writeInterval   1;
+
+        // Fields to be probed
+        fields          (p U);
+
+        // Optional: interpolation scheme to use (default is cell)
+        interpolationScheme cell;
+
+        probeLocations
+        (
+            (0.00132  0.0009 0.005)
+        );
+
+    }
+
+    alphaVol
+    {
+        libs            ("libutilityFunctionObjects.so");
+        type            coded;
+        name            alphaVolume;
+        writeControl    timeStep;
+        writeInterval   10;
+
+        codeWrite
+        #{
+
+            const volScalarField& alpha =
+                mesh().lookupObject<volScalarField>("alpha.water");
+
+            Info<< "Alpha volume = " << alpha.weightedAverage(mesh().Vsc()) << endl;
+
+        #};
+    }
+}
+
 // ************************************************************************* //

tutorials/multiphase/overInterDyMFoam/floatingBody/background/system/fvSchemes

@@ -26,7 +26,7 @@ gradSchemes
 
 divSchemes
 {
-    div(rhoPhi,U)   Gauss limitedLinearV 1;
+    div(rhoPhi,U)   Gauss upwind;
     div(U)          Gauss linear;
     div(phi,alpha)  Gauss vanLeer;
     div(phirb,alpha) Gauss linear;
@@ -54,12 +54,13 @@ snGradSchemes
 
 oversetInterpolation
 {
-    method          inverseDistance;
+    method          cellVolumeWeight;
 }
 
-oversetInterpolationRequired
+oversetInterpolationSuppressed
 {
-    alpha.water;
+    grad(p_rgh);
+    surfaceIntegrate(phiHbyA);
 }
 
 fluxRequired

tutorials/multiphase/overInterDyMFoam/floatingBody/background/system/fvSolution

@@ -82,9 +82,8 @@ PIMPLE
     nCorrectors         2;
     nNonOrthogonalCorrectors 0;
 
-    ddtCorr                     yes;
+    ddtCorr                    yes;
     correctPhi                 no;
-    massFluxInterpolation      no;
 
     moveMeshOuterCorrectors no;
     turbOnFinalIterOnly no;
@@ -104,8 +103,6 @@ relaxationFactors
 }
 
 cache
-{
-        grad(U);
-}
+{}
 
 // ************************************************************************* //

tutorials/multiphase/overInterDyMFoam/floatingBody/background/system/setFieldsDict

@@ -30,9 +30,10 @@ regions
 
     boxToCell
     {
-        box ( 0.7 0.8 -100 ) ( 100 100 0.75 );
+        box ( 0.9 0.9 -100 ) ( 100 100 0.75 );
         fieldValues ( volScalarFieldValue alpha.water 1 );
     }
+
     cellToCell
     {
         set c0;