populationBalance: Corrected fraction field registration

applications/modules/multiphaseEuler/phaseSystems/diameterModels/velocityGroup/sizeGroup/shapeModels/fractal/fractal.C

@@ -62,61 +62,6 @@ const Foam::NamedEnum
 > Foam::diameterModels::shapeModels::fractal::sgTypeNames_;
 
 
-// * * * * * * * * * * * Private Static Member Functions * * * * * * * * * * //
-
-Foam::tmp<Foam::volScalarField>
-Foam::diameterModels::shapeModels::fractal::readKappa(const sizeGroup& group)
-{
-    auto io = [&](const word& name, const IOobject::readOption r)
-    {
-        return
-            IOobject
-            (
-                IOobject::groupName
-                (
-                    "kappa" + name,
-                    group.phase().name()
-                ),
-                group.mesh().time().name(),
-                group.mesh(),
-                r,
-                IOobject::AUTO_WRITE
-            );
-    };
-
-    const word name(Foam::name(group.i()));
-
-    typeIOobject<volScalarField> fio(io(name, IOobject::MUST_READ));
-
-    // Read the field, if it is available
-    if (fio.headerOk())
-    {
-        return tmp<volScalarField>(new volScalarField(fio, group.mesh()));
-    }
-
-    // Read the default field
-    tmp<volScalarField> tfDefault
-    (
-        new volScalarField
-        (
-            io("Default", IOobject::MUST_READ),
-            group.mesh()
-        )
-    );
-
-    // Transfer it into a result field with the correct name
-    return
-        tmp<volScalarField>
-        (
-            new volScalarField
-            (
-                io(name, IOobject::NO_READ),
-                tfDefault
-            )
-        );
-}
-
-
 // * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * * //
 
 Foam::tmp<Foam::volScalarField>
@@ -152,7 +97,11 @@ Foam::diameterModels::shapeModels::fractal::fractal
 )
 :
     SecondaryPropertyModel<shapeModel>(group),
-    kappa_(readKappa(group)),
+    kappa_
+    (
+        sizeGroup::fieldIo("kappa", group.i(), group.group()),
+        sizeGroup::field("kappa", group.i(), group.group())
+    ),
     Df_("Df", dimless, groupDict),
     alphaC_("alphaC", dimless, groupDict),
     dColl_

applications/modules/multiphaseEuler/phaseSystems/diameterModels/velocityGroup/sizeGroup/shapeModels/fractal/fractal.H

@@ -125,12 +125,6 @@ private:
         autoPtr<sinteringModel> sinteringModel_;
 
 
-    // Private Static Member Functions
-
-        //- Read and return the kappa field. Construction helper.
-        static tmp<volScalarField> readKappa(const sizeGroup& group);
-
-
     // Private Member Functions
 
         //- Compute and return the collisional diameter

applications/modules/multiphaseEuler/phaseSystems/diameterModels/velocityGroup/sizeGroup/sizeGroup.C

@@ -29,65 +29,57 @@ License
 
 using Foam::constant::mathematical::pi;
 
-// * * * * * * * * * * * Private Static Member Functions * * * * * * * * * * //
+// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
 
-Foam::tmp<Foam::volScalarField> Foam::diameterModels::sizeGroup::readF
+Foam::IOobject Foam::diameterModels::sizeGroup::fieldIo
 (
+    const word& name,
     const label i,
-    const velocityGroup& group
+    const velocityGroup& group,
+    const IOobject::readOption r,
+    const bool registerObject
 )
 {
-    auto io = [&](const word& name, const IOobject::readOption r)
-    {
     return
         IOobject
         (
             IOobject::groupName
             (
-                    "f" + name,
+                "f" + (i == -1 ? "Default" : Foam::name(i)),
                 group.phase().name()
             ),
             group.phase().mesh().time().name(),
             group.phase().mesh(),
             r,
-                IOobject::AUTO_WRITE
+            IOobject::AUTO_WRITE,
+            registerObject
         );
-    };
+}
 
-    const word name(Foam::name(i));
 
-    typeIOobject<volScalarField> fio(io(name, IOobject::MUST_READ));
+Foam::tmp<Foam::volScalarField> Foam::diameterModels::sizeGroup::field
+(
+    const word& name,
+    const label i,
+    const velocityGroup& group
+)
+{
+    typeIOobject<volScalarField> io
+    (
+        fieldIo(name, i, group, IOobject::MUST_READ, false)
+    );
 
-    // Read the field, if it is available
-    if (fio.headerOk())
-    {
     return
         tmp<volScalarField>
-            (
-                new volScalarField(fio, group.phase().mesh())
-            );
-    }
-
-    // Read the default field
-    tmp<volScalarField> tfDefault
         (
             new volScalarField
             (
-            io("Default", IOobject::MUST_READ),
+                io.headerOk()
+              ? io
+              : fieldIo(name, -1, group, IOobject::MUST_READ, false),
                 group.phase().mesh()
             )
         );
-
-    // Transfer it into a result field with the correct name
-    return
-        tmp<volScalarField>
-        (
-            new volScalarField
-            (
-                io(name, IOobject::NO_READ),
-                tfDefault
-            )
-        );
 }
 
 
@@ -100,7 +92,7 @@ Foam::diameterModels::sizeGroup::sizeGroup
     const velocityGroup& group
 )
 :
-    volScalarField(readF(i, group)),
+    volScalarField(fieldIo("f", i, group), field("f", i, group)),
     i_(i),
     group_(group),
     dSph_("dSph", dimLength, dict),

applications/modules/multiphaseEuler/phaseSystems/diameterModels/velocityGroup/sizeGroup/sizeGroup.H

@@ -104,18 +104,29 @@ private:
         autoPtr<shapeModel> shapeModel_;
 
 
-    // Private Static Member Functions
+public:
 
-        //- Read and return the fraction field. Construction helper.
+    // Static Member Functions
-        static tmp<volScalarField> readF
+
+        //- Return IO for a size-group field. Construction helper.
+        static IOobject fieldIo
         (
+            const word& name,
+            const label i,
+            const velocityGroup& group,
+            const IOobject::readOption r = IOobject::NO_READ,
+            const bool registerObject = true
+        );
+
+        //- Return IO a size-group field. Construction helper.
+        static tmp<volScalarField> field
+        (
+            const word& name,
             const label i,
             const velocityGroup& group
         );
 
 
-public:
-
     // Constructors
 
         //- Construct from index, dictionary and velocity group