ENH: Updated cloud source treatments

src/lagrangian/intermediate/clouds/Templates/KinematicCloud/KinematicCloudI.H

@@ -439,11 +439,11 @@ Foam::KinematicCloud<ParcelType>::SU(volVectorField& U) const
 
     if (solution_.sourceActive())
     {
-        if (solution_.semiImplicit("UTrans"))
+        if (solution_.semiImplicit("U"))
         {
             return
                 UTrans()/(mesh_.V()*this->db().time().deltaT())
-              + fvm::SuSp(-UCoeff().dimensionedInternalField()/mesh_.V(), U)
+              + fvm::SuSp(-UCoeff()/mesh_.V(), U)
               + UCoeff()/mesh_.V()*U;
         }
         else

src/lagrangian/intermediate/clouds/Templates/ReactingCloud/ReactingCloud.H

@@ -219,6 +219,13 @@ public:
                     inline PtrList<DimensionedField<scalar, volMesh> >&
                         rhoTrans();
 
+                    //- Return mass source term for specie i - specie eqn
+                    inline tmp<fvScalarMatrix> SYi
+                    (
+                        const label i,
+                        volScalarField& Yi
+                    ) const;
+
                     //- Return tmp mass source for field i - fully explicit
                     inline tmp<DimensionedField<scalar, volMesh> >
                         Srho(const label i) const;
@@ -227,6 +234,9 @@ public:
                     //  - fully explicit
                     inline tmp<DimensionedField<scalar, volMesh> > Srho() const;
 
+                    //- Return total mass source term [kg/m3/s]
+                    inline tmp<fvScalarMatrix> Srho(volScalarField& rho) const;
+
 
         // Check
 

src/lagrangian/intermediate/clouds/Templates/ReactingCloud/ReactingCloudI.H

@@ -65,6 +65,62 @@ Foam::ReactingCloud<ParcelType>::rhoTrans()
 }
 
 
+template<class ParcelType>
+inline Foam::tmp<Foam::fvScalarMatrix>
+Foam::ReactingCloud<ParcelType>::SYi
+(
+    const label i,
+    volScalarField& Yi
+) const
+{
+    if (this->solution().sourceActive())
+    {
+        if (this->solution().semiImplicit("Yi"))
+        {
+            tmp<volScalarField> trhoTrans
+            (
+                new volScalarField
+                (
+                    IOobject
+                    (
+                        this->name() + "rhoTrans",
+                        this->db().time().timeName(),
+                        this->db(),
+                        IOobject::NO_READ,
+                        IOobject::NO_WRITE,
+                        false
+                    ),
+                    this->mesh(),
+                    dimensionedScalar("zero", dimMass/dimTime/dimVolume, 0.0)
+                )
+            );
+
+            volScalarField& sourceField = trhoTrans();
+
+            sourceField.internalField() =
+                rhoTrans_[i]/(this->db().time().deltaT()*this->mesh().V());
+
+            const dimensionedScalar YiSMALL("YiSMALL", dimless, SMALL);
+
+            return
+                fvm::Sp(neg(sourceField)*sourceField/(Yi + YiSMALL), Yi)
+              + pos(sourceField)*sourceField;
+        }
+        else
+        {
+            tmp<fvScalarMatrix> tfvm(new fvScalarMatrix(Yi, dimMass/dimTime));
+            fvScalarMatrix& fvm = tfvm();
+
+            fvm.source() = -rhoTrans_[i]/this->db().time().deltaT();
+
+            return tfvm;
+        }
+    }
+
+    return tmp<fvScalarMatrix>(new fvScalarMatrix(Yi, dimMass/dimTime));
+}
+
+
 template<class ParcelType>
 inline Foam::tmp<Foam::DimensionedField<Foam::scalar, Foam::volMesh> >
 Foam::ReactingCloud<ParcelType>::Srho(const label i) const
@@ -166,4 +222,80 @@ Foam::ReactingCloud<ParcelType>::Srho() const
 }
 
 
+template<class ParcelType>
+inline Foam::tmp<Foam::fvScalarMatrix>
+Foam::ReactingCloud<ParcelType>::Srho(volScalarField& rho) const
+{
+    if (this->solution().sourceActive())
+    {
+        if (this->solution().semiImplicit("rho"))
+        {
+            tmp<volScalarField> trhoTrans
+            (
+                new volScalarField
+                (
+                    IOobject
+                    (
+                        this->name() + "rhoTrans",
+                        this->db().time().timeName(),
+                        this->db(),
+                        IOobject::NO_READ,
+                        IOobject::NO_WRITE,
+                        false
+                    ),
+                    this->mesh(),
+                    dimensionedScalar("zero", dimMass/dimTime/dimVolume, 0.0)
+                )
+            );
+
+            scalarField& sourceField = trhoTrans();
+
+            forAll(rhoTrans_, i)
+            {
+                sourceField += rhoTrans_[i];
+            }
+            sourceField /= this->db().time().deltaT()*this->mesh().V();
+
+            return fvm::SuSp(trhoTrans()/rho, rho);
+        }
+        else
+        {
+            tmp<fvScalarMatrix> tfvm(new fvScalarMatrix(rho, dimMass/dimTime));
+            fvScalarMatrix& fvm = tfvm();
+
+            tmp<volScalarField> trhoTrans
+            (
+                new volScalarField
+                (
+                    IOobject
+                    (
+                        this->name() + "rhoTrans",
+                        this->db().time().timeName(),
+                        this->db(),
+                        IOobject::NO_READ,
+                        IOobject::NO_WRITE,
+                        false
+                    ),
+                    this->mesh(),
+                    dimensionedScalar("zero", dimMass, 0.0)
+                )
+            );
+
+            scalarField& sourceField = trhoTrans();
+
+            forAll(rhoTrans_, i)
+            {
+                sourceField += rhoTrans_[i];
+            }
+
+            fvm.source() = -trhoTrans()/this->db().time().deltaT();
+
+            return tfvm;
+        }
+    }
+
+    return tmp<fvScalarMatrix>(new fvScalarMatrix(rho, dimMass/dimTime));
+}
+
+
 // ************************************************************************* //

src/lagrangian/intermediate/clouds/Templates/ThermoCloud/ThermoCloud.C

@@ -117,8 +117,7 @@ Foam::ThermoCloud<ParcelType>::ThermoCloud
                 IOobject::AUTO_WRITE
             ),
             this->mesh(),
-            dimensionedScalar("zero", dimEnergy/dimTime/dimTemperature, 0.0),
-            zeroGradientFvPatchScalarField::typeName
+            dimensionedScalar("zero", dimEnergy/dimTime/dimTemperature, 0.0)
         )
     )
 

src/lagrangian/intermediate/clouds/Templates/ThermoCloud/ThermoCloudI.H

@@ -127,17 +127,13 @@ Foam::ThermoCloud<ParcelType>::Sh(volScalarField& hs) const
 
     if (this->solution().sourceActive())
     {
-        if (this->solution().semiImplicit("hsTrans"))
+        if (this->solution().semiImplicit("hs"))
         {
             const volScalarField Cp = thermo_.thermo().Cp();
 
             return
                 hsTrans()/(this->mesh().V()*this->db().time().deltaT())
-              + fvm::SuSp
-                (
-                   -hsCoeff().dimensionedInternalField()/(Cp*this->mesh().V()),
-                    hs
-                )
+              + fvm::SuSp(-hsCoeff()/(Cp*this->mesh().V()), hs)
               + hsCoeff()/(Cp*this->mesh().V())*hs;
         }
         else