ENH: use readValueEntry, readMixedEntries for simpler program control

applications/solvers/compressible/rhoCentralFoam/BCs/T/smoluchowskiJumpTFvPatchScalarField.C

@@ -103,14 +103,7 @@ Foam::smoluchowskiJumpTFvPatchScalarField::smoluchowskiJumpTFvPatchScalarField
             << exit(FatalIOError);
     }
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<scalar>::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(patchInternalField());
     }

applications/solvers/compressible/rhoCentralFoam/BCs/U/maxwellSlipUFvPatchVectorField.C

@@ -105,18 +105,15 @@ Foam::maxwellSlipUFvPatchVectorField::maxwellSlipUFvPatchVectorField
             << exit(FatalIOError);
     }
 
-    if (dict.found("value"))
+    if (this->readValueEntry(dict))
     {
-        fvPatchField<vector>::operator=
+        const auto* hasRefValue = dict.findEntry("refValue", keyType::LITERAL);
-        (
+        const auto* hasFrac = dict.findEntry("valueFraction", keyType::LITERAL);
-            vectorField("value", dict, p.size())
-        );
 
-        if (dict.found("refValue") && dict.found("valueFraction"))
+        if (hasRefValue && hasFrac)
         {
-            this->refValue() = vectorField("refValue", dict, p.size());
+            this->refValue().assign(*hasRefValue, p.size());
-            this->valueFraction() =
+            this->valueFraction().assign(*hasFrac, p.size());
-                scalarField("valueFraction", dict, p.size());
         }
         else
         {

applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionTwoPhaseEulerFoam/derivedFvPatchFields/turbulentTemperatureTwoPhaseRadCoupledMixed/turbulentTemperatureTwoPhaseRadCoupledMixedFvPatchScalarField.C

@@ -243,14 +243,12 @@ turbulentTemperatureTwoPhaseRadCoupledMixedFvPatchScalarField
             << exit(FatalError);
     }
 
-    fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
 
-    if (dict.found("refValue"))
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
+
+    if (this->readMixedEntries(dict))
     {
         // Full restart
-        refValue() = scalarField("refValue", dict, p.size());
-        refGrad() = scalarField("refGradient", dict, p.size());
-        valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/OpenFOAM/fields/pointPatchFields/basic/fixedValue/fixedValuePointPatchField.C

@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2015 OpenFOAM Foundation
+    Copyright (C) 2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -47,10 +48,10 @@ Foam::fixedValuePointPatchField<Type>::fixedValuePointPatchField
     const pointPatch& p,
     const DimensionedField<Type, pointMesh>& iF,
     const dictionary& dict,
-    const bool valueRequired
+    IOobjectOption::readOption requireValue
 )
 :
-    valuePointPatchField<Type>(p, iF, dict, valueRequired)
+    valuePointPatchField<Type>(p, iF, dict, requireValue)
 {}
 
 

src/OpenFOAM/fields/pointPatchFields/basic/fixedValue/fixedValuePointPatchField.H

@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -34,8 +35,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef fixedValuePointPatchField_H
+#ifndef Foam_fixedValuePointPatchField_H
-#define fixedValuePointPatchField_H
+#define Foam_fixedValuePointPatchField_H
 
 #include "valuePointPatchField.H"
 
@@ -53,7 +54,6 @@ class fixedValuePointPatchField
 :
     public valuePointPatchField<Type>
 {
-
 public:
 
     //- Runtime type information
@@ -75,9 +75,25 @@ public:
             const pointPatch&,
             const DimensionedField<Type, pointMesh>&,
             const dictionary&,
-            const bool valueRequired=true
+            IOobjectOption::readOption requireValue = IOobjectOption::MUST_READ
         );
 
+        //- Compatibility. Prefer with readOption
+        fixedValuePointPatchField
+        (
+            const pointPatch& p,
+            const DimensionedField<Type, pointMesh>& iF,
+            const dictionary& dict,
+            const bool valueReqd
+        )
+        :
+            fixedValuePointPatchField
+            (
+                p, iF, dict,
+                (valueReqd? IOobjectOption::MUST_READ : IOobjectOption::NO_READ)
+            )
+        {}
+
         //- Construct by mapping given patch field onto a new patch
         fixedValuePointPatchField
         (

src/OpenFOAM/fields/pointPatchFields/derived/codedFixedValue/codedFixedValuePointPatchField.C

@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012-2016 OpenFOAM Foundation
-    Copyright (C) 2016-2021 OpenCFD Ltd.
+    Copyright (C) 2016-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -161,11 +161,11 @@ Foam::codedFixedValuePointPatchField<Type>::codedFixedValuePointPatchField
 (
     const pointPatch& p,
     const DimensionedField<Type, pointMesh>& iF,
-    const dictionary& dict,
+    const dictionary& dict
-    const bool valueRequired
 )
 :
-    parent_bctype(p, iF, dict, false),
+    // The 'value' is optional (handled below)
+    parent_bctype(p, iF, dict, IOobjectOption::NO_READ),
     codedBase(),
     dict_
     (
@@ -186,10 +186,7 @@ Foam::codedFixedValuePointPatchField<Type>::codedFixedValuePointPatchField
 {
     updateLibrary(name_);
 
-    // Note: 'value' is used even with valueRequired = false ! This is
+    if (!this->readValueEntry(dict))
-    // inconsistent with fixedValueFvPatchField behaviour.
-
-    if (!dict.found("value")) // Q: check for valueRequired?
     {
         // Evaluate to assign a value
         this->evaluate(Pstream::commsTypes::blocking);

src/OpenFOAM/fields/pointPatchFields/derived/codedFixedValue/codedFixedValuePointPatchField.H

@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012-2017 OpenFOAM Foundation
-    Copyright (C) 2019-2021 OpenCFD Ltd.
+    Copyright (C) 2019-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -100,8 +100,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef codedFixedValuePointPatchField_H
+#ifndef Foam_codedFixedValuePointPatchField_H
-#define codedFixedValuePointPatchField_H
+#define Foam_codedFixedValuePointPatchField_H
 
 #include "fixedValuePointPatchFields.H"
 #include "codedBase.H"
@@ -187,8 +187,7 @@ public:
         (
             const pointPatch&,
             const DimensionedField<Type, pointMesh>&,
-            const dictionary&,
+            const dictionary&
-            const bool valueRequired=true
         );
 
         //- Construct by mapping given codedFixedValuePointPatchField

src/OpenFOAM/fields/pointPatchFields/pointPatchField/pointPatchFieldBase.C

@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2022 OpenCFD Ltd.
+    Copyright (C) 2022-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.

src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/fixedShearStress/fixedShearStressFvPatchVectorField.C

@@ -53,7 +53,7 @@ Foam::fixedShearStressFvPatchVectorField::fixedShearStressFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchVectorField(p, iF, dict, false),
+    fixedValueFvPatchVectorField(p, iF, dict, IOobjectOption::NO_READ),
     tau0_(dict.getOrDefault<vector>("tau", Zero))
 {
     fvPatchField<vector>::operator=(patchInternalField());

src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/porousBafflePressure/porousBafflePressureFvPatchField.C

@@ -67,14 +67,7 @@ Foam::porousBafflePressureFvPatchField::porousBafflePressureFvPatchField
 {
     if (valueRequired)
     {
-        if (dict.found("value"))
+        if (!this->readValueEntry(dict))
-        {
-            fvPatchField<scalar>::operator=
-            (
-                Field<scalar>("value", dict, p.size())
-            );
-        }
-        else
         {
             this->evaluate(Pstream::commsTypes::blocking);
         }

src/atmosphericModels/derivedFvPatchFields/atmTurbulentHeatFluxTemperature/atmTurbulentHeatFluxTemperatureFvPatchScalarField.C

@@ -92,7 +92,7 @@ atmTurbulentHeatFluxTemperatureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedGradientFvPatchScalarField(p, iF),
+    fixedGradientFvPatchScalarField(p, iF),  // Bypass dictionary constructor
     heatSource_
     (
         heatSourceTypeNames.getOrDefault
@@ -106,13 +106,11 @@ atmTurbulentHeatFluxTemperatureFvPatchScalarField
     Cp0_(Function1<scalar>::New("Cp0", dict, &db())),
     q_(PatchFunction1<scalar>::New(p.patch(), "q", dict))
 {
-    if (dict.found("value") && dict.found("gradient"))
+    const auto* hasGrad = dict.findEntry("gradient", keyType::LITERAL);
+
+    if (hasGrad && this->readValueEntry(dict))
     {
-        fvPatchField<scalar>::operator =
+        gradient().assign(*hasGrad, p.size());
-            (
-                Field<scalar>("value", dict, p.size())
-            );
-        gradient() = Field<scalar>("gradient", dict, p.size());
     }
     else
     {

src/dynamicFaMesh/interfaceTrackingFvMesh/fvPatchFields/freeSurfacePressure/freeSurfacePressureFvPatchScalarField.C

@@ -56,17 +56,10 @@ freeSurfacePressureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchScalarField(p, iF, dict, false),
+    fixedValueFvPatchScalarField(p, iF, dict, IOobjectOption::NO_READ),
     pa_("pa", dict, p.size())
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(pa_);
     }

src/finiteArea/fields/faPatchFields/derived/fixedValueOutflow/fixedValueOutflowFaPatchField.C

@@ -48,7 +48,7 @@ Foam::fixedValueOutflowFaPatchField<Type>::fixedValueOutflowFaPatchField
     const dictionary& dict
 )
 :
-    faPatchField<Type>(p, iF, Field<Type>("value", dict, p.size()))
+    faPatchField<Type>(p, iF, dict, IOobjectOption::MUST_READ)
 {}
 
 

src/finiteArea/fields/faPatchFields/derived/timeVaryingUniformFixedValue/timeVaryingUniformFixedValueFaPatchField.C

@@ -56,11 +56,7 @@ timeVaryingUniformFixedValueFaPatchField
     fixedValueFaPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     timeSeries_(dict)
 {
-   if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-   {
-       faPatchField<Type>::operator==(Field<Type>("value", dict, p.size()));
-   }
-   else
     {
         updateCoeffs();
     }

src/finiteVolume/fields/fvPatchFields/basic/calculated/calculatedFvPatchField.C

@@ -57,10 +57,10 @@ Foam::calculatedFvPatchField<Type>::calculatedFvPatchField
     const fvPatch& p,
     const DimensionedField<Type, volMesh>& iF,
     const dictionary& dict,
-    const bool valueRequired
+    IOobjectOption::readOption requireValue
 )
 :
-    fvPatchField<Type>(p, iF, dict, valueRequired)
+    fvPatchField<Type>(p, iF, dict, requireValue)
 {}
 
 

src/finiteVolume/fields/fvPatchFields/basic/calculated/calculatedFvPatchField.H

@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -49,8 +50,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef calculatedFvPatchField_H
+#ifndef Foam_calculatedFvPatchField_H
-#define calculatedFvPatchField_H
+#define Foam_calculatedFvPatchField_H
 
 #include "fvPatchField.H"
 
@@ -90,9 +91,25 @@ public:
             const fvPatch&,
             const DimensionedField<Type, volMesh>&,
             const dictionary&,
-            const bool valueRequired=true
+            IOobjectOption::readOption requireValue = IOobjectOption::MUST_READ
         );
 
+        //- Compatibility (prefer with readOption)
+        calculatedFvPatchField
+        (
+            const fvPatch& p,
+            const DimensionedField<Type, volMesh>& iF,
+            const dictionary& dict,
+            const bool valueReqd
+        )
+        :
+            calculatedFvPatchField
+            (
+                p, iF, dict,
+                (valueReqd? IOobjectOption::MUST_READ : IOobjectOption::NO_READ)
+            )
+        {}
+
         //- Construct by mapping given patch field onto a new patch
         calculatedFvPatchField
         (

src/finiteVolume/fields/fvPatchFields/basic/coupled/coupledFvPatchField.C

@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -74,11 +75,11 @@ Foam::coupledFvPatchField<Type>::coupledFvPatchField
     const fvPatch& p,
     const DimensionedField<Type, volMesh>& iF,
     const dictionary& dict,
-    const bool valueRequired
+    IOobjectOption::readOption requireValue
 )
 :
     LduInterfaceField<Type>(refCast<const lduInterface>(p, dict)),
-    fvPatchField<Type>(p, iF, dict, valueRequired)
+    fvPatchField<Type>(p, iF, dict, requireValue)
 {}
 
 

src/finiteVolume/fields/fvPatchFields/basic/coupled/coupledFvPatchField.H

@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -38,8 +38,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef coupledFvPatchField_H
+#ifndef Foam_coupledFvPatchField_H
-#define coupledFvPatchField_H
+#define Foam_coupledFvPatchField_H
 
 #include "LduInterfaceField.H"
 #include "fvPatchField.H"
@@ -60,7 +60,6 @@ class coupledFvPatchField
     public LduInterfaceField<Type>,
     public fvPatchField<Type>
 {
-
 public:
 
     //- Runtime type information
@@ -90,9 +89,25 @@ public:
             const fvPatch&,
             const DimensionedField<Type, volMesh>&,
             const dictionary&,
-            const bool valueRequired=true
+            IOobjectOption::readOption requireValue = IOobjectOption::MUST_READ
         );
 
+        //- Compatibility (prefer with readOption)
+        coupledFvPatchField
+        (
+            const fvPatch& p,
+            const DimensionedField<Type, volMesh>& iF,
+            const dictionary& dict,
+            const bool valueReqd
+        )
+        :
+            coupledFvPatchField
+            (
+                p, iF, dict,
+                (valueReqd? IOobjectOption::MUST_READ : IOobjectOption::NO_READ)
+            )
+        {}
+
         //- Construct by mapping the given coupledFvPatchField onto a new patch
         coupledFvPatchField
         (

src/finiteVolume/fields/fvPatchFields/basic/extrapolatedCalculated/extrapolatedCalculatedFvPatchField.C

@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2016 OpenFOAM Foundation
+    Copyright (C) 2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -51,7 +52,7 @@ extrapolatedCalculatedFvPatchField
     const dictionary& dict
 )
 :
-    calculatedFvPatchField<Type>(p, iF, dict, false)
+    calculatedFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ)
 {
     evaluate();
 }

src/finiteVolume/fields/fvPatchFields/basic/extrapolatedCalculated/extrapolatedCalculatedFvPatchField.H

@@ -49,8 +49,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef extrapolatedCalculatedFvPatchField_H
+#ifndef Foam_extrapolatedCalculatedFvPatchField_H
-#define extrapolatedCalculatedFvPatchField_H
+#define Foam_extrapolatedCalculatedFvPatchField_H
 
 #include "calculatedFvPatchField.H"
 
@@ -68,7 +68,6 @@ class extrapolatedCalculatedFvPatchField
 :
     public calculatedFvPatchField<Type>
 {
-
 public:
 
     //- Runtime type information

src/finiteVolume/fields/fvPatchFields/basic/fixedGradient/fixedGradientFvPatchField.C

@@ -50,7 +50,7 @@ Foam::fixedGradientFvPatchField<Type>::fixedGradientFvPatchField
     const dictionary& dict
 )
 :
-    fvPatchField<Type>(p, iF, dict, false),
+    fvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     gradient_("gradient", dict, p.size())
 {
     evaluate();

src/finiteVolume/fields/fvPatchFields/basic/fixedValue/fixedValueFvPatchField.C

@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -58,10 +59,10 @@ Foam::fixedValueFvPatchField<Type>::fixedValueFvPatchField
     const fvPatch& p,
     const DimensionedField<Type, volMesh>& iF,
     const dictionary& dict,
-    const bool valueRequired
+    IOobjectOption::readOption requireValue
 )
 :
-    fvPatchField<Type>(p, iF, dict, valueRequired)
+    fvPatchField<Type>(p, iF, dict, requireValue)
 {}
 
 

src/finiteVolume/fields/fvPatchFields/basic/fixedValue/fixedValueFvPatchField.H

@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
+    Copyright (C) 2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -53,8 +54,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef fixedValueFvPatchField_H
+#ifndef Foam_fixedValueFvPatchField_H
-#define fixedValueFvPatchField_H
+#define Foam_fixedValueFvPatchField_H
 
 #include "fvPatchField.H"
 
@@ -72,7 +73,6 @@ class fixedValueFvPatchField
 :
     public fvPatchField<Type>
 {
-
 public:
 
     //- Runtime type information
@@ -102,9 +102,25 @@ public:
             const fvPatch&,
             const DimensionedField<Type, volMesh>&,
             const dictionary&,
-            const bool valueRequired=true
+            IOobjectOption::readOption requireValue = IOobjectOption::MUST_READ
         );
 
+        //- Compatibility (prefer with readOption)
+        fixedValueFvPatchField
+        (
+            const fvPatch& p,
+            const DimensionedField<Type, volMesh>& iF,
+            const dictionary& dict,
+            const bool valueReqd
+        )
+        :
+            fixedValueFvPatchField
+            (
+                p, iF, dict,
+                (valueReqd? IOobjectOption::MUST_READ : IOobjectOption::NO_READ)
+            )
+        {}
+
         //- Construct by mapping the given fixedValue patch field
         //- onto a new patch
         fixedValueFvPatchField

src/finiteVolume/fields/fvPatchFields/basic/transform/transformFvPatchField.C

@@ -63,7 +63,7 @@ Foam::transformFvPatchField<Type>::transformFvPatchField
     const dictionary& dict
 )
 :
-    fvPatchField<Type>(p, iF, dict, false)
+    fvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ)
 {}
 
 

src/finiteVolume/fields/fvPatchFields/basic/zeroGradient/zeroGradientFvPatchField.C

@@ -59,7 +59,7 @@ Foam::zeroGradientFvPatchField<Type>::zeroGradientFvPatchField
     const dictionary& dict
 )
 :
-    fvPatchField<Type>(p, iF, dict, false)
+    fvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ)
 {
     fvPatchField<Type>::operator=(this->patchInternalField());
 }

src/finiteVolume/fields/fvPatchFields/constraint/cyclic/cyclicFvPatchField.C

@@ -54,7 +54,7 @@ Foam::cyclicFvPatchField<Type>::cyclicFvPatchField
     const bool valueRequired
 )
 :
-    coupledFvPatchField<Type>(p, iF, dict, false), // Pass no valueRequired
+    coupledFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     cyclicPatch_(refCast<const cyclicFvPatch>(p, dict))
 {
     if (!isA<cyclicFvPatch>(p))

src/finiteVolume/fields/fvPatchFields/constraint/cyclicACMI/cyclicACMIFvPatchField.C

@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2013-2017 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -54,7 +54,7 @@ Foam::cyclicACMIFvPatchField<Type>::cyclicACMIFvPatchField
 )
 :
     cyclicACMILduInterfaceField(),
-    coupledFvPatchField<Type>(p, iF, dict, dict.found("value")),
+    coupledFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     cyclicACMIPatch_(refCast<const cyclicACMIFvPatch>(p, dict))
 {
     if (!isA<cyclicACMIFvPatch>(p))
@@ -68,7 +68,8 @@ Foam::cyclicACMIFvPatchField<Type>::cyclicACMIFvPatchField
             << exit(FatalIOError);
     }
 
-    if (!dict.found("value") && this->coupled())
+    // Use 'value' supplied, or set to coupled field
+    if (!this->readValueEntry(dict) && this->coupled())
     {
         // Extra check: make sure that the non-overlap patch is before
         // this so it has actually been read - evaluate will crash otherwise

src/finiteVolume/fields/fvPatchFields/constraint/cyclicAMI/cyclicAMIFvPatchField.C

@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2019-2022 OpenCFD Ltd.
+    Copyright (C) 2019-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -54,7 +54,7 @@ Foam::cyclicAMIFvPatchField<Type>::cyclicAMIFvPatchField
 )
 :
     cyclicAMILduInterfaceField(),
-    coupledFvPatchField<Type>(p, iF, dict, dict.found("value")),
+    coupledFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     cyclicAMIPatch_(refCast<const cyclicAMIFvPatch>(p, dict))
 {
     if (!isA<cyclicAMIFvPatch>(p))
@@ -68,7 +68,8 @@ Foam::cyclicAMIFvPatchField<Type>::cyclicAMIFvPatchField
             << exit(FatalIOError);
     }
 
-    if (!dict.found("value"))
+    // Use 'value' supplied, or set to coupled or internal field
+    if (!this->readValueEntry(dict))
     {
         if (this->coupled())
         {

src/finiteVolume/fields/fvPatchFields/constraint/processor/processorFvPatchField.C

@@ -70,7 +70,7 @@ Foam::processorFvPatchField<Type>::processorFvPatchField
     const dictionary& dict
 )
 :
-    coupledFvPatchField<Type>(p, iF, dict, dict.found("value")),
+    coupledFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     procPatch_(refCast<const processorFvPatch>(p, dict)),
     sendRequest_(-1),
     recvRequest_(-1)
@@ -86,8 +86,8 @@ Foam::processorFvPatchField<Type>::processorFvPatchField
             << exit(FatalIOError);
     }
 
-    // If the value is not supplied set to the internal field
+    // Use 'value' supplied, or set to internal field
-    if (!dict.found("value"))
+    if (!this->readValueEntry(dict))
     {
         fvPatchField<Type>::operator=(this->patchInternalField());
     }

src/finiteVolume/fields/fvPatchFields/derived/activeBaffleVelocity/activeBaffleVelocityFvPatchVectorField.C

@@ -88,7 +88,7 @@ activeBaffleVelocityFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchVectorField(p, iF, dict, false),
+    fixedValueFvPatchVectorField(p, iF, dict, IOobjectOption::NO_READ),
     pName_(dict.getOrDefault<word>("p", "p")),
     cyclicPatchName_(dict.lookup("cyclicPatch")),
     cyclicPatchLabel_(p.patch().boundaryMesh().findPatchID(cyclicPatchName_)),

src/finiteVolume/fields/fvPatchFields/derived/activePressureForceBaffleVelocity/activePressureForceBaffleVelocityFvPatchVectorField.C

@@ -94,7 +94,7 @@ activePressureForceBaffleVelocityFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchVectorField(p, iF, dict, false),
+    fixedValueFvPatchVectorField(p, iF, dict, IOobjectOption::NO_READ),
     pName_(dict.getOrDefault<word>("p", "p")),
     cyclicPatchName_(dict.lookup("cyclicPatch")),
     cyclicPatchLabel_(p.patch().boundaryMesh().findPatchID(cyclicPatchName_)),

src/finiteVolume/fields/fvPatchFields/derived/advective/advectiveFvPatchField.C

@@ -88,14 +88,8 @@ Foam::advectiveFvPatchField<Type>::advectiveFvPatchField
     fieldInf_(Zero),
     lInf_(-GREAT)
 {
-    if (dict.found("value"))
+    // Use 'value' supplied, or set to internal field
-    {
+    if (!this->readValueEntry(dict))
-        fvPatchField<Type>::operator=
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<Type>::operator=(this->patchInternalField());
     }

src/finiteVolume/fields/fvPatchFields/derived/codedFixedValue/codedFixedValueFvPatchField.C

@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2016-2022 OpenCFD Ltd.
+    Copyright (C) 2016-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -164,7 +164,8 @@ Foam::codedFixedValueFvPatchField<Type>::codedFixedValueFvPatchField
     const dictionary& dict
 )
 :
-    parent_bctype(p, iF, dict, dict.found("value")),  // Note: optional 'value'
+    // The 'value' is optional
+    parent_bctype(p, iF, dict, IOobjectOption::NO_READ),
     codedBase(),
     dict_
     (
@@ -185,7 +186,7 @@ Foam::codedFixedValueFvPatchField<Type>::codedFixedValueFvPatchField
 {
     updateLibrary(name_);
 
-    if (!dict.found("value"))
+    if (!this->readValueEntry(dict))
     {
         // Assign dummy value to get redirectPatchField not fail
         this->operator==(this->patchInternalField());

src/finiteVolume/fields/fvPatchFields/derived/codedFixedValue/codedFixedValueFvPatchField.H

@@ -102,8 +102,8 @@ SourceFiles
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef codedFixedValueFvPatchField_H
+#ifndef Foam_codedFixedValueFvPatchField_H
-#define codedFixedValueFvPatchField_H
+#define Foam_codedFixedValueFvPatchField_H
 
 #include "fixedValueFvPatchFields.H"
 #include "codedBase.H"

src/finiteVolume/fields/fvPatchFields/derived/electrostaticDeposition/electrostaticDepositionFvPatchScalarField.C

@@ -172,20 +172,10 @@ electrostaticDepositionFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchScalarField(p, iF, dict, false),
+    fixedValueFvPatchScalarField(p, iF, dict, IOobjectOption::NO_READ),
     h_("h", dict, p.size()),
-    qcum_
+    qcum_("qCumulative", dict, p.size(), IOobjectOption::LAZY_READ),
-    (
+    Vfilm_("Vfilm", dict, p.size(), IOobjectOption::LAZY_READ),
-        dict.found("qCumulative")
-      ? scalarField("qCumulative", dict, p.size())
-      : scalarField(p.size(), 0)
-    ),
-    Vfilm_
-    (
-        dict.found("Vfilm")
-      ? scalarField("Vfilm", dict, p.size())
-      : scalarField(p.size(), 0)
-    ),
     Ceffptr_
     (
         PatchFunction1<scalar>::New(p.patch(), "CoulombicEfficiency", dict)
@@ -216,14 +206,7 @@ electrostaticDepositionFvPatchScalarField
     timei_(-1),
     master_(-1)
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchScalarField::operator=(patchInternalField());
     }

src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.C

@@ -87,14 +87,7 @@ Foam::fanFvPatchField<Type>::fanFvPatchField
         this->jumpTable_ = Function1<Type>::New("jumpTable", dict, &this->db());
     }
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<Type>::operator=
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         this->evaluate(Pstream::commsTypes::blocking);
     }

src/finiteVolume/fields/fvPatchFields/derived/fixedFluxPressure/fixedFluxPressureFvPatchScalarField.C

@@ -52,23 +52,21 @@ Foam::fixedFluxPressureFvPatchScalarField::fixedFluxPressureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedGradientFvPatchScalarField(p, iF),
+    fixedGradientFvPatchScalarField(p, iF),  // Bypass dictionary constructor
     curTimeIndex_(-1)
 {
     fvPatchFieldBase::readDict(dict);
 
-    if (dict.found("value") && dict.found("gradient"))
+    const auto* hasGrad = dict.findEntry("gradient", keyType::LITERAL);
+
+    if (hasGrad && this->readValueEntry(dict))
     {
-        fvPatchField<scalar>::operator=
+        gradient().assign(*hasGrad, p.size());
-        (
-            scalarField("value", dict, p.size())
-        );
-        gradient() = scalarField("gradient", dict, p.size());
     }
     else
     {
         fvPatchField<scalar>::operator=(patchInternalField());
-        gradient() = 0.0;
+        gradient() = Zero;
     }
 }
 

src/finiteVolume/fields/fvPatchFields/derived/fixedJump/fixedJumpFvPatchField.C

@@ -84,25 +84,15 @@ Foam::fixedJumpFvPatchField<Type>::fixedJumpFvPatchField
     {
         if (valueRequired)
         {
-            jump_ = Field<Type>("jump", dict, p.size());
+            jump_.assign("jump", dict, p.size(), IOobjectOption::MUST_READ);
         }
 
-        if (dict.found("jump0"))
+        jump0_.assign("jump0", dict, p.size(), IOobjectOption::LAZY_READ);
-        {
-            jump0_ = Field<Type>("jump0", dict, p.size());
-        }
     }
 
     if (valueRequired)
     {
-        if (dict.found("value"))
+        if (!this->readValueEntry(dict))
-        {
-            fvPatchField<Type>::operator=
-            (
-                Field<Type>("value", dict, p.size())
-            );
-        }
-        else
         {
             this->evaluate(Pstream::commsTypes::blocking);
         }

src/finiteVolume/fields/fvPatchFields/derived/fixedJumpAMI/fixedJumpAMIFvPatchField.C

@@ -68,17 +68,10 @@ Foam::fixedJumpAMIFvPatchField<Type>::fixedJumpAMIFvPatchField
 {
     if (this->cyclicAMIPatch().owner())
     {
-        jump_ = Field<Type>("jump", dict, p.size());
+        jump_.assign("jump", dict, p.size(), IOobjectOption::MUST_READ);
     }
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<Type>::operator=
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         this->evaluate(Pstream::commsTypes::blocking);
     }

src/finiteVolume/fields/fvPatchFields/derived/fixedMeanOutletInlet/fixedMeanOutletInletFvPatchField.C

@@ -57,10 +57,7 @@ Foam::fixedMeanOutletInletFvPatchField<Type>::fixedMeanOutletInletFvPatchField
 {
     this->phiName_ = dict.getOrDefault<word>("phi", "phi");
 
-    fvPatchField<Type>::operator=
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
-    (
-        Field<Type>("value", dict, p.size())
-    );
 
     this->refValue() = *this;
     this->refGrad() = Zero;

src/finiteVolume/fields/fvPatchFields/derived/fixedProfile/fixedProfileFvPatchField.C

@@ -67,7 +67,7 @@ Foam::fixedProfileFvPatchField<Type>::fixedProfileFvPatchField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<Type>(p, iF, dict, false),
+    fixedValueFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     profile_(Function1<Type>::New("profile", dict, &this->db())),
     dir_(dict.lookup("direction")),
     origin_(dict.get<scalar>("origin"))

src/finiteVolume/fields/fvPatchFields/derived/flowRateInletVelocity/flowRateInletVelocityFvPatchVectorField.C

@@ -58,7 +58,7 @@ flowRateInletVelocityFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<vector>(p, iF, dict, false),
+    fixedValueFvPatchField<vector>(p, iF, dict, IOobjectOption::NO_READ),
     flowRate_(nullptr),
     rhoName_("rho"),
     rhoInlet_(dict.getOrDefault<scalar>("rhoInlet", -VGREAT)),
@@ -90,15 +90,8 @@ flowRateInletVelocityFvPatchVectorField
             << exit(FatalIOError);
     }
 
-    // Value field require if mass based
+    // Value field required if mass based
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<vector>::operator=
-        (
-            vectorField("value", dict, p.size())
-        );
-    }
-    else
     {
         evaluate(Pstream::commsTypes::blocking);
     }

src/finiteVolume/fields/fvPatchFields/derived/flowRateOutletVelocity/flowRateOutletVelocityFvPatchVectorField.C

@@ -56,7 +56,7 @@ flowRateOutletVelocityFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<vector>(p, iF, dict, false),
+    fixedValueFvPatchField<vector>(p, iF, dict, IOobjectOption::NO_READ),
     flowRate_(nullptr),
     rhoName_("rho"),
     rhoOutlet_(dict.getOrDefault<scalar>("rhoOutlet", -VGREAT)),
@@ -84,15 +84,8 @@ flowRateOutletVelocityFvPatchVectorField
             << exit(FatalIOError);
     }
 
-    // Value field require if mass based
+    // Value field required if mass based
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<vector>::operator=
-        (
-            vectorField("value", dict, p.size())
-        );
-    }
-    else
     {
         evaluate(Pstream::commsTypes::blocking);
     }

src/finiteVolume/fields/fvPatchFields/derived/freestream/freestreamFvPatchField.C

@@ -57,19 +57,15 @@ Foam::freestreamFvPatchField<Type>::freestreamFvPatchField
 
     this->phiName_ = dict.getOrDefault<word>("phi", "phi");
 
-    if (dict.found("freestreamValue"))
+    if
-    {
-        freestreamValue() =
-            Field<Type>("freestreamValue", dict, p.size());
-
-        if (dict.found("value"))
-        {
-            fvPatchField<Type>::operator=
     (
-                Field<Type>("value", dict, p.size())
+        freestreamValue().assign
-            );
+        (
-        }
+            "freestreamValue", dict, p.size(), IOobjectOption::LAZY_READ
-        else
+        )
+    )
+    {
+        if (!this->readValueEntry(dict))
         {
             fvPatchField<Type>::operator=(freestreamValue());
         }
@@ -82,10 +78,7 @@ Foam::freestreamFvPatchField<Type>::freestreamFvPatchField
 
         // Force user to supply an initial value
         // - we do not know if the supplied BC has all dependencies available
-        fvPatchField<Type>::operator=
+        this->readValueEntry(dict, IOobjectOption::MUST_READ);
-        (
-            Field<Type>("value", dict, p.size())
-        );
     }
 }
 

src/finiteVolume/fields/fvPatchFields/derived/freestreamPressure/freestreamPressureFvPatchScalarField.C

@@ -57,14 +57,7 @@ freestreamPressureFvPatchScalarField
 {
     freestreamValue() = scalarField("freestreamValue", dict, p.size());
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchScalarField::operator=(freestreamValue());
     }

src/finiteVolume/fields/fvPatchFields/derived/freestreamVelocity/freestreamVelocityFvPatchVectorField.C

@@ -51,14 +51,7 @@ Foam::freestreamVelocityFvPatchVectorField::freestreamVelocityFvPatchVectorField
 {
     freestreamValue() = vectorField("freestreamValue", dict, p.size());
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchVectorField::operator=
-        (
-            vectorField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchVectorField::operator=(freestreamValue());
     }

src/finiteVolume/fields/fvPatchFields/derived/inletOutletTotalTemperature/inletOutletTotalTemperatureFvPatchScalarField.C

@@ -89,14 +89,8 @@ inletOutletTotalTemperatureFvPatchScalarField
     this->phiName_ = dict.getOrDefault<word>("phi", "phi");
 
     this->refValue() = Zero;
-    if (dict.found("value"))
+
-    {
+    if (!this->readValueEntry(dict))
-        fvPatchField<scalar>::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(T0_);
     }

src/finiteVolume/fields/fvPatchFields/derived/mappedMixed/mappedMixedFvPatchField.C

@@ -61,7 +61,8 @@ Foam::mappedMixedFvPatchField<Type>::mappedMixedFvPatchField
     const dictionary& dict
 )
 :
-    mixedFvPatchField<Type>(p, iF, dict),
+    // Reading of mixed entries handled later...
+    mixedFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     mappedPatchFieldBase<Type>
     (
         mappedFixedValueFvPatchField<Type>::mapper(p, iF),
@@ -70,17 +71,11 @@ Foam::mappedMixedFvPatchField<Type>::mappedMixedFvPatchField
     ),
     weightFieldName_(dict.getOrDefault<word>("weightField", word::null))
 {
-    mixedFvPatchField<Type>::operator=
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
-    (
-        Field<Type>("value", dict, p.size())
-    );
 
-    if (dict.found("refValue"))
+    if (this->readMixedEntries(dict))
     {
         // Full restart
-        this->refValue() = Field<Type>("refValue", dict, p.size());
-        this->refGrad() = Field<Type>("refGradient", dict, p.size());
-        this->valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/finiteVolume/fields/fvPatchFields/derived/matchedFlowRateOutletVelocity/matchedFlowRateOutletVelocityFvPatchVectorField.C

@@ -42,8 +42,8 @@ matchedFlowRateOutletVelocityFvPatchVectorField
 :
     fixedValueFvPatchField<vector>(p, iF),
     inletPatchName_(),
-    volumetric_(false),
+    rhoName_("rho"),
-    rhoName_("rho")
+    volumetric_(false)
 {}
 
 
@@ -55,8 +55,9 @@ matchedFlowRateOutletVelocityFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<vector>(p, iF, dict, false),
+    fixedValueFvPatchField<vector>(p, iF, dict, IOobjectOption::NO_READ),
     inletPatchName_(dict.get<word>("inletPatch")),
+    rhoName_(),
     volumetric_(dict.getOrDefault("volumetric", true))
 {
     if (volumetric_)
@@ -68,15 +69,8 @@ matchedFlowRateOutletVelocityFvPatchVectorField
         rhoName_ = dict.getOrDefault<word>("rho", "rho");
     }
 
-    // Value field require if mass based
+    // Value field required if mass based
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<vector>::operator=
-        (
-            vectorField("value", dict, p.size())
-        );
-    }
-    else
     {
         evaluate(Pstream::commsTypes::blocking);
     }
@@ -94,8 +88,8 @@ matchedFlowRateOutletVelocityFvPatchVectorField
 :
     fixedValueFvPatchField<vector>(ptf, p, iF, mapper),
     inletPatchName_(ptf.inletPatchName_),
-    volumetric_(ptf.volumetric_),
+    rhoName_(ptf.rhoName_),
-    rhoName_(ptf.rhoName_)
+    volumetric_(ptf.volumetric_)
 {}
 
 
@@ -107,8 +101,8 @@ matchedFlowRateOutletVelocityFvPatchVectorField
 :
     fixedValueFvPatchField<vector>(ptf),
     inletPatchName_(ptf.inletPatchName_),
-    volumetric_(ptf.volumetric_),
+    rhoName_(ptf.rhoName_),
-    rhoName_(ptf.rhoName_)
+    volumetric_(ptf.volumetric_)
 {}
 
 
@@ -121,8 +115,8 @@ matchedFlowRateOutletVelocityFvPatchVectorField
 :
     fixedValueFvPatchField<vector>(ptf, iF),
     inletPatchName_(ptf.inletPatchName_),
-    volumetric_(ptf.volumetric_),
+    rhoName_(ptf.rhoName_),
-    rhoName_(ptf.rhoName_)
+    volumetric_(ptf.volumetric_)
 {}
 
 

src/finiteVolume/fields/fvPatchFields/derived/matchedFlowRateOutletVelocity/matchedFlowRateOutletVelocityFvPatchVectorField.H

@@ -82,12 +82,12 @@ class matchedFlowRateOutletVelocityFvPatchVectorField
         //- Inlet patch name from which the corresponding flow rate is obtained
         word inletPatchName_;
 
-        //- Is volumetric?
-        bool volumetric_;
-
         //- Name of the density field used to normalize the mass flux
         word rhoName_;
 
+        //- Is volumetric?
+        bool volumetric_;
+
 
     // Private member functions
 

src/finiteVolume/fields/fvPatchFields/derived/outletMappedUniformInlet/outletMappedUniformInletFvPatchField.C

@@ -168,14 +168,7 @@ outletMappedUniformInletFvPatchField
     }
 
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<Type>::operator=
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<Type>::operator=(this->patchInternalField());
     }

src/finiteVolume/fields/fvPatchFields/derived/outletPhaseMeanVelocity/outletPhaseMeanVelocityFvPatchVectorField.C

@@ -84,14 +84,7 @@ Foam::outletPhaseMeanVelocityFvPatchVectorField
     refGrad() = Zero;
     valueFraction() = 0.0;
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchVectorField::operator=
-        (
-            vectorField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchVectorField::operator=(patchInternalField());
     }

src/finiteVolume/fields/fvPatchFields/derived/partialSlip/partialSlipFvPatchField.C

@@ -77,10 +77,7 @@ Foam::partialSlipFvPatchField<Type>::partialSlipFvPatchField
     fvPatchFieldBase::readDict(dict);
 
     // Backwards compatibility - leave refValue as zero unless specified
-    if (dict.found("refValue"))
+    refValue_.assign("refValue", dict, p.size(), IOobjectOption::LAZY_READ);
-    {
-        refValue_ = Field<Type>("refValue", dict, p.size());
-    }
 
     evaluate();
 }

src/finiteVolume/fields/fvPatchFields/derived/phaseHydrostaticPressure/phaseHydrostaticPressureFvPatchScalarField.C

@@ -72,14 +72,7 @@ phaseHydrostaticPressureFvPatchScalarField
 
     this->refValue() = pRefValue_;
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchScalarField::operator=(this->refValue());
     }

src/finiteVolume/fields/fvPatchFields/derived/prghPermeableAlphaTotalPressure/prghPermeableAlphaTotalPressureFvPatchScalarField.C

@@ -75,14 +75,7 @@ prghPermeableAlphaTotalPressureFvPatchScalarField
     refGrad() = 0.0;
     valueFraction() = 0.0;
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<scalar>::operator=
-        (
-            Field<scalar>("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(refValue());
     }

src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C

@@ -55,18 +55,11 @@ prghPressureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchScalarField(p, iF, dict, false),
+    fixedValueFvPatchScalarField(p, iF, dict, IOobjectOption::NO_READ),
     rhoName_(dict.getOrDefault<word>("rho", "rho")),
     p_("p", dict, p.size())
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(p_);
     }

src/finiteVolume/fields/fvPatchFields/derived/prghTotalPressure/prghTotalPressureFvPatchScalarField.C

@@ -56,20 +56,13 @@ Foam::prghTotalPressureFvPatchScalarField::prghTotalPressureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchScalarField(p, iF, dict, false),
+    fixedValueFvPatchScalarField(p, iF, dict, IOobjectOption::NO_READ),
     UName_(dict.getOrDefault<word>("U", "U")),
     phiName_(dict.getOrDefault<word>("phi", "phi")),
     rhoName_(dict.getOrDefault<word>("rho", "rho")),
     p0_("p0", dict, p.size())
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(p0_);
     }

src/finiteVolume/fields/fvPatchFields/derived/rotatingWallVelocity/rotatingWallVelocityFvPatchVectorField.C

@@ -55,19 +55,12 @@ rotatingWallVelocityFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<vector>(p, iF, dict, false),
+    fixedValueFvPatchField<vector>(p, iF, dict, IOobjectOption::NO_READ),
     origin_(dict.lookup("origin")),
     axis_(dict.lookup("axis")),
     omega_(Function1<scalar>::New("omega", dict, &db()))
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<vector>::operator=
-        (
-            vectorField("value", dict, p.size())
-        );
-    }
-    else
     {
         // Evaluate the wall velocity
         updateCoeffs();

src/finiteVolume/fields/fvPatchFields/derived/scaledFixedValue/scaledFixedValueFvPatchField.C

@@ -52,7 +52,7 @@ Foam::scaledFixedValueFvPatchField<Type>::scaledFixedValueFvPatchField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<Type>(p, iF, dict, false),
+    fixedValueFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     scalePtr_(PatchFunction1<scalar>::New(p.patch(), "scale", dict)),
     refValuePtr_(fvPatchField<Type>::New(p, iF, dict.subDict("refValue")))
 {

src/finiteVolume/fields/fvPatchFields/derived/supersonicFreestream/supersonicFreestreamFvPatchVectorField.C

@@ -74,14 +74,7 @@ supersonicFreestreamFvPatchVectorField
 {
     fvPatchFieldBase::readDict(dict);
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<vector>::operator=
-        (
-            vectorField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<vector>::operator=(patchInternalField());
     }

src/finiteVolume/fields/fvPatchFields/derived/surfaceNormalFixedValue/surfaceNormalFixedValueFvPatchVectorField.C

@@ -54,7 +54,7 @@ surfaceNormalFixedValueFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchVectorField(p, iF, dict, false),
+    fixedValueFvPatchVectorField(p, iF, dict, IOobjectOption::NO_READ),
     refValue_("refValue", dict, p.size()),
     ramp_(Function1<scalar>::NewIfPresent("ramp", dict, word::null, &db()))
 {

src/finiteVolume/fields/fvPatchFields/derived/syringePressure/syringePressureFvPatchScalarField.C

@@ -53,7 +53,7 @@ Foam::syringePressureFvPatchScalarField::syringePressureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchScalarField(p, iF, dict, false),
+    fixedValueFvPatchScalarField(p, iF, dict, IOobjectOption::NO_READ),
     Ap_(dict.get<scalar>("Ap")),
     Sp_(dict.get<scalar>("Sp")),
     VsI_(dict.get<scalar>("VsI")),

src/finiteVolume/fields/fvPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValueFvPatchField.C

@@ -53,7 +53,7 @@ timeVaryingMappedFixedValueFvPatchField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<Type>(p, iF, dict, false),
+    fixedValueFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     uniformValue_
     (
         new PatchFunction1Types::MappedFile<Type>
@@ -66,11 +66,7 @@ timeVaryingMappedFixedValueFvPatchField
         )
     )
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<Type>::operator==(Field<Type>("value", dict, p.size()));
-    }
-    else
     {
         // Note: we use evaluate() here to trigger updateCoeffs followed
         //       by re-setting of fvatchfield::updated_ flag. This is

src/finiteVolume/fields/fvPatchFields/derived/totalPressure/totalPressureFvPatchScalarField.C

@@ -58,7 +58,7 @@ Foam::totalPressureFvPatchScalarField::totalPressureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchScalarField(p, iF, dict, false),
+    fixedValueFvPatchScalarField(p, iF, dict, IOobjectOption::NO_READ),
     UName_(dict.getOrDefault<word>("U", "U")),
     phiName_(dict.getOrDefault<word>("phi", "phi")),
     rhoName_(dict.getOrDefault<word>("rho", "rho")),
@@ -66,14 +66,7 @@ Foam::totalPressureFvPatchScalarField::totalPressureFvPatchScalarField
     gamma_(psiName_ != "none" ? dict.get<scalar>("gamma") : 1),
     p0_("p0", dict, p.size())
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<scalar>::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(p0_);
     }

src/finiteVolume/fields/fvPatchFields/derived/totalTemperature/totalTemperatureFvPatchScalarField.C

@@ -73,21 +73,14 @@ Foam::totalTemperatureFvPatchScalarField::totalTemperatureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchScalarField(p, iF, dict, false),
+    fixedValueFvPatchScalarField(p, iF, dict, IOobjectOption::NO_READ),
     UName_(dict.getOrDefault<word>("U", "U")),
     phiName_(dict.getOrDefault<word>("phi", "phi")),
     psiName_(dict.getOrDefault<word>("psi", "thermo:psi")),
     gamma_(dict.get<scalar>("gamma")),
     T0_("T0", dict, p.size())
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<scalar>::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(T0_);
     }

src/finiteVolume/fields/fvPatchFields/derived/translatingWallVelocity/translatingWallVelocityFvPatchVectorField.C

@@ -52,7 +52,7 @@ translatingWallVelocityFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<vector>(p, iF, dict, false),
+    fixedValueFvPatchField<vector>(p, iF, dict, IOobjectOption::NO_READ),
     U_(Function1<vector>::New("U", dict, &db()))
 {
     // Evaluate the wall velocity

src/finiteVolume/fields/fvPatchFields/derived/turbulentInlet/turbulentInletFvPatchField.C

@@ -53,21 +53,14 @@ Foam::turbulentInletFvPatchField<Type>::turbulentInletFvPatchField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<Type>(p, iF, dict, false),
+    fixedValueFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     ranGen_(label(0)),
     fluctuationScale_(dict.get<Type>("fluctuationScale")),
     referenceField_("referenceField", dict, p.size()),
     alpha_(dict.getOrDefault<scalar>("alpha", 0.1)),
     curTimeIndex_(-1)
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fixedValueFvPatchField<Type>::operator==
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         fixedValueFvPatchField<Type>::operator==(referenceField_);
     }

src/finiteVolume/fields/fvPatchFields/derived/uniformDensityHydrostaticPressure/uniformDensityHydrostaticPressureFvPatchScalarField.C

@@ -56,19 +56,12 @@ uniformDensityHydrostaticPressureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchScalarField(p, iF, dict, false),
+    fixedValueFvPatchScalarField(p, iF, dict, IOobjectOption::NO_READ),
     rho_(dict.get<scalar>("rho")),
     pRefValue_(dict.get<scalar>("pRefValue")),
     pRefPoint_(dict.lookup("pRefPoint"))
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<scalar>::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         evaluate();
     }

src/finiteVolume/fields/fvPatchFields/derived/uniformFixedGradient/uniformFixedGradientFvPatchField.C

@@ -63,7 +63,7 @@ Foam::uniformFixedGradientFvPatchField<Type>::uniformFixedGradientFvPatchField
     const dictionary& dict
 )
 :
-    fixedGradientFvPatchField<Type>(p, iF),
+    fixedGradientFvPatchField<Type>(p, iF),  // Bypass dictionary constructor
     uniformGradient_
     (
         PatchFunction1<Type>::New(p.patch(), "uniformGradient", dict)

src/finiteVolume/fields/fvPatchFields/derived/uniformFixedValue/uniformFixedValueFvPatchField.C

@@ -63,17 +63,10 @@ Foam::uniformFixedValueFvPatchField<Type>::uniformFixedValueFvPatchField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<Type>(p, iF, dict, false),
+    fixedValueFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     uniformValue_(PatchFunction1<Type>::New(p.patch(), "uniformValue", dict))
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<Type>::operator=
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         this->evaluate();
     }

src/finiteVolume/fields/fvPatchFields/derived/uniformInletOutlet/uniformInletOutletFvPatchField.C

@@ -66,14 +66,7 @@ Foam::uniformInletOutletFvPatchField<Type>::uniformInletOutletFvPatchField
     this->refValue() =
         uniformInletValue_->value(this->db().time().timeOutputValue());
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<Type>::operator=
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<Type>::operator=(this->refValue());
     }

src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.C

@@ -75,14 +75,7 @@ Foam::uniformJumpFvPatchField<Type>::uniformJumpFvPatchField
             jumpTable_ = Function1<Type>::New("jumpTable", dict, &this->db());
         }
 
-        if (dict.found("value"))
+        if (!this->readValueEntry(dict))
-        {
-            fvPatchField<Type>::operator=
-            (
-                Field<Type>("value", dict, p.size())
-            );
-        }
-        else
         {
             this->evaluate(Pstream::commsTypes::blocking);
         }

src/finiteVolume/fields/fvPatchFields/derived/uniformJumpAMI/uniformJumpAMIFvPatchField.C

@@ -72,11 +72,7 @@ Foam::uniformJumpAMIFvPatchField<Type>::uniformJumpAMIFvPatchField
         jumpTable_ = Function1<Type>::New("jumpTable", dict, &this->db());
     }
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<Type>::operator=(Field<Type>("value", dict, p.size()));
-    }
-    else
     {
         this->evaluate(Pstream::commsTypes::blocking);
     }

src/finiteVolume/fields/fvPatchFields/derived/uniformNormalFixedValue/uniformNormalFixedValueFvPatchVectorField.C

@@ -53,18 +53,11 @@ uniformNormalFixedValueFvPatchVectorField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchVectorField(p, iF, dict, false),
+    fixedValueFvPatchVectorField(p, iF, dict, IOobjectOption::NO_READ),
     uniformValue_(PatchFunction1<scalar>::New(p.patch(), "uniformValue", dict)),
     ramp_(Function1<scalar>::NewIfPresent("ramp", dict, word::null, &db()))
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchVectorField::operator=
-        (
-            vectorField("value", dict, p.size())
-        );
-    }
-    else
     {
         this->evaluate();
     }

src/finiteVolume/fields/fvPatchFields/derived/uniformTotalPressure/uniformTotalPressureFvPatchScalarField.C

@@ -59,7 +59,7 @@ uniformTotalPressureFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchScalarField(p, iF, dict, false),
+    fixedValueFvPatchScalarField(p, iF, dict, IOobjectOption::NO_READ),
     UName_(dict.getOrDefault<word>("U", "U")),
     phiName_(dict.getOrDefault<word>("phi", "phi")),
     rhoName_(dict.getOrDefault<word>("rho", "rho")),
@@ -67,14 +67,7 @@ uniformTotalPressureFvPatchScalarField
     gamma_(psiName_ != "none" ? dict.get<scalar>("gamma") : 1),
     p0_(Function1<scalar>::New("p0", dict, &db()))
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<scalar>::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         const scalar t = this->db().time().timeOutputValue();
         fvPatchScalarField::operator==(p0_->value(t));

src/finiteVolume/fields/fvPatchFields/derived/variableHeightFlowRate/variableHeightFlowRateFvPatchField.C

@@ -84,14 +84,7 @@ Foam::variableHeightFlowRateFvPatchScalarField
     fvPatchFieldBase::readDict(dict);
     this->refValue() = 0.0;
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchScalarField::operator=(this->patchInternalField());
     }

src/finiteVolume/fields/fvPatchFields/fvPatchField/fvPatchField.H

@@ -122,6 +122,7 @@ protected:
             manipulatedMatrix_ = state;
         }
 
+
 public:
 
     //- Debug switch to disallow the use of generic fvPatchField

src/finiteVolume/fields/fvPatchFields/fvPatchField/fvPatchFieldBase.C

@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2022 OpenCFD Ltd.
+    Copyright (C) 2022-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.

src/finiteVolume/fields/fvsPatchFields/basic/calculated/calculatedFvsPatchField.C

@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2021 OpenCFD Ltd.
+    Copyright (C) 2021-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -58,7 +58,7 @@ Foam::calculatedFvsPatchField<Type>::calculatedFvsPatchField
     const dictionary& dict
 )
 :
-    fvsPatchField<Type>(p, iF, Field<Type>("value", dict, p.size()))
+    fvsPatchField<Type>(p, iF, dict, IOobjectOption::MUST_READ)
 {}
 
 

src/finiteVolume/fields/fvsPatchFields/basic/fixedValue/fixedValueFvsPatchField.C

@@ -48,7 +48,7 @@ Foam::fixedValueFvsPatchField<Type>::fixedValueFvsPatchField
     const dictionary& dict
 )
 :
-    fvsPatchField<Type>(p, iF, Field<Type>("value", dict, p.size()))
+    fvsPatchField<Type>(p, iF, dict, IOobjectOption::MUST_READ)
 {}
 
 

src/finiteVolume/fields/fvsPatchFields/fvsPatchField/fvsPatchFieldBase.C

@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2022 OpenCFD Ltd.
+    Copyright (C) 2022-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.

src/functionObjects/field/externalCoupled/externalCoupledTemperatureMixed/externalCoupledTemperatureMixedFvPatchScalarField.C

@@ -149,27 +149,16 @@ externalCoupledTemperatureMixedFvPatchScalarField
         Tref_ = Function1<scalar>::New("Tref", dict, &db());
     }
 
-    if (dict.found("refValue"))
+    if (this->readMixedEntries(dict))
     {
         // Initialise same way as mixed
-        this->refValue() = scalarField("refValue", dict, p.size());
-        this->refGrad() = scalarField("refGradient", dict, p.size());
-        this->valueFraction() = scalarField("valueFraction", dict, p.size());
-
         evaluate();
     }
     else
     {
         // For convenience: initialise as fixedValue with either read value
         // or extrapolated value
-        if (dict.found("value"))
+        if (!this->readValueEntry(dict))
-        {
-            fvPatchField<scalar>::operator=
-            (
-                scalarField("value", dict, p.size())
-            );
-        }
-        else
         {
             fvPatchField<scalar>::operator=(this->patchInternalField());
         }

src/fvMotionSolver/pointPatchFields/derived/timeVaryingMappedFixedValue/timeVaryingMappedFixedValuePointPatchField.C

@@ -101,14 +101,7 @@ timeVaryingMappedFixedValuePointPatchField
         fieldTableName_
     );
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fixedValuePointPatchField<Type>::operator==
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         // Note: use evaluate to do updateCoeffs followed by a reset
         //       of the pointPatchField::updated_ flag. This is

src/meshTools/fields/pointPatchFields/uniformFixedValue/uniformFixedValuePointPatchField.C

@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -73,7 +73,7 @@ uniformFixedValuePointPatchField
     const dictionary& dict
 )
 :
-    fixedValuePointPatchField<Type>(p, iF, dict, false),
+    fixedValuePointPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     uniformValue_
     (
         PatchFunction1<Type>::New
@@ -85,14 +85,7 @@ uniformFixedValuePointPatchField
         )
     )
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fixedValuePointPatchField<Type>::operator==
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         this->evaluate();
     }

src/optimisation/adjointOptimisation/adjoint/turbulenceModels/incompressibleAdjoint/adjointRAS/derivedFvPatchFields/adjointOutletFlux/adjointOutletFluxFvPatchField.C

@@ -65,13 +65,8 @@ Foam::adjointOutletFluxFvPatchField<Type>::adjointOutletFluxFvPatchField
     const dictionary& dict
 )
 :
-    fixedValueFvPatchField<Type>(p, iF)
+    fixedValueFvPatchField<Type>(p, iF, dict, IOobjectOption::MUST_READ)
-{
+{}
-    fvPatchField<Type>::operator=
-    (
-        Field<Type>("value", dict, p.size())
-    );
-}
 
 
 template<class Type>

src/overset/oversetPolyPatch/oversetFvPatchField.C

@@ -83,7 +83,7 @@ Foam::oversetFvPatchField<Type>::oversetFvPatchField
     const dictionary& dict
 )
 :
-    coupledFvPatchField<Type>(p, iF, dict, false),
+    coupledFvPatchField<Type>(p, iF, dict, IOobjectOption::NO_READ),
     oversetPatch_(refCast<const oversetFvPatch>(p, dict)),
     setHoleCellValue_(dict.getOrDefault("setHoleCellValue", false)),
     fluxCorrection_
@@ -110,14 +110,8 @@ Foam::oversetFvPatchField<Type>::oversetFvPatchField
     fringeFaces_(),
     zoneId_(dict.getOrDefault<label>("zone", -1))
 {
-    if (dict.found("value"))
+    // Use 'value' supplied, or set to internal field
-    {
+    if (!this->readValueEntry(dict))
-        Field<Type>::operator=
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
     {
         Field<Type>::operator=(this->patchInternalField());
     }

src/phaseSystemModels/multiphaseInter/phasesSystem/derivedFvPatchFields/timeVaryingMassSorption/timeVaryingMassSorptionFvPatchScalarField.C

@@ -85,14 +85,7 @@ timeVaryingMassSorptionFvPatchScalarField
     max_(dict.getCheck<scalar>("max", scalarMinMax::ge(0))),
     kdes_(dict.getCheckOrDefault<scalar>("kdes", 0, scalarMinMax::ge(0)))
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(Zero);
     }

src/regionFaModels/derivedFvPatchFields/filmShell/velocityFilmShellFvPatchVectorField.C

@@ -102,14 +102,11 @@ velocityFilmShellFvPatchVectorField::velocityFilmShellFvPatchVectorField
     curTimeIndex_(-1),
     zeroWallVelocity_(dict.getOrDefault<bool>("zeroWallVelocity", true))
 {
-    fvPatchVectorField::operator=(vectorField("value", dict, p.size()));
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
 
-    if (dict.found("refValue"))
+    if (this->readMixedEntries(dict))
     {
         // Full restart
-        refValue() = vectorField("refValue", dict, p.size());
-        refGrad() = vectorField("refGradient", dict, p.size());
-        valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/regionFaModels/derivedFvPatchFields/vibrationShell/vibrationShellFvPatchScalarField.C

@@ -96,14 +96,11 @@ vibrationShellFvPatchScalarField::vibrationShellFvPatchScalarField
         )
     )
 {
-    fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
 
-    if (dict.found("refValue"))
+    if (this->readMixedEntries(dict))
     {
         // Full restart
-        refValue() = scalarField("refValue", dict, p.size());
-        refGrad() = scalarField("refGradient", dict, p.size());
-        valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/regionModels/regionCoupling/derivedFvPatchFields/filmPyrolysisRadiativeCoupledMixed/filmPyrolysisRadiativeCoupledMixedFvPatchScalarField.C

@@ -178,14 +178,11 @@ filmPyrolysisRadiativeCoupledMixedFvPatchScalarField
             << exit(FatalError);
     }
 
-    fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
 
-    if (dict.found("refValue"))
+    if (this->readMixedEntries(dict))
     {
         // Full restart
-        refValue() = scalarField("refValue", dict, p.size());
-        refGrad() = scalarField("refGradient", dict, p.size());
-        valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/thermoTools/derivedFvPatchFields/externalWallHeatFluxTemperature/externalWallHeatFluxTemperatureFvPatchScalarField.C

@@ -136,8 +136,6 @@ externalWallHeatFluxTemperatureFvPatchScalarField
         }
     }
 
-    fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
-
     if (qrName_ != "none")
     {
         if (dict.found("qrPrevious"))
@@ -150,12 +148,11 @@ externalWallHeatFluxTemperatureFvPatchScalarField
         }
     }
 
-    if (dict.found("refValue"))
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
+
+    if (this->readMixedEntries(dict))
     {
         // Full restart
-        refValue() = scalarField("refValue", dict, p.size());
-        refGrad() = scalarField("refGradient", dict, p.size());
-        valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/thermoTools/derivedFvPatchFields/fixedIncidentRadiation/fixedIncidentRadiationFvPatchScalarField.C

@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2016-2019,2021 OpenCFD Ltd.
+    Copyright (C) 2016-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -73,14 +73,15 @@ fixedIncidentRadiationFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedGradientFvPatchScalarField(p, iF),
+    fixedGradientFvPatchScalarField(p, iF),  // Bypass dictionary constructor
     temperatureCoupledBase(patch(), dict),
     qrIncident_("qrIncident", dict, p.size())
 {
-    if (dict.found("value") && dict.found("gradient"))
+    const auto* hasGrad = dict.findEntry("gradient", keyType::LITERAL);
+
+    if (hasGrad && this->readValueEntry(dict))
     {
-        fvPatchField<scalar>::operator=(Field<scalar>("value", dict, p.size()));
+        gradient().assign(*hasGrad, p.size());
-        gradient() = Field<scalar>("gradient", dict, p.size());
     }
     else
     {

src/thermoTools/derivedFvPatchFields/humidityTemperatureCoupledMixed/humidityTemperatureCoupledMixedFvPatchScalarField.C

@@ -248,7 +248,7 @@ humidityTemperatureCoupledMixedFvPatchScalarField
             << exit(FatalIOError);
     }
 
-    fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
 
     if (massModeTypeNames_.readIfPresent("mode", dict, mode_))
     {
@@ -315,13 +315,9 @@ humidityTemperatureCoupledMixedFvPatchScalarField
     }
 
 
-
+    if (this->readMixedEntries(dict))
-    if (dict.found("refValue"))
     {
         // Full restart
-        refValue() = scalarField("refValue", dict, p.size());
-        refGrad() = scalarField("refGradient", dict, p.size());
-        valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/thermoTools/derivedFvPatchFields/thermalBaffle1D/thermalBaffle1DFvPatchScalarField.C

@@ -100,7 +100,7 @@ thermalBaffle1DFvPatchScalarField
     TName_("T"),
     baffleActivated_(dict.getOrDefault("baffleActivated", true)),
     thickness_(),
-    qs_(p.size(), 0),
+    qs_(p.size(), Zero),
     solidDict_(dict),
     solidPtr_(),
     qrPrevious_(p.size(), Zero),
@@ -110,7 +110,7 @@ thermalBaffle1DFvPatchScalarField
     ),
     qrName_(dict.getOrDefault<word>("qr", "none"))
 {
-    fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
 
     if (dict.found("thickness"))
     {
@@ -127,12 +127,9 @@ thermalBaffle1DFvPatchScalarField
         qrPrevious_ = scalarField("qrPrevious", dict, p.size());
     }
 
-    if (dict.found("refValue") && baffleActivated_)
+    if (baffleActivated_ && this->readMixedEntries(dict))
     {
         // Full restart
-        refValue() = scalarField("refValue", dict, p.size());
-        refGrad() = scalarField("refGradient", dict, p.size());
-        valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/thermoTools/derivedFvPatchFields/totalFlowRateAdvectiveDiffusive/totalFlowRateAdvectiveDiffusiveFvPatchScalarField.C

@@ -71,14 +71,7 @@ totalFlowRateAdvectiveDiffusiveFvPatchScalarField
     refGrad() = 0.0;
     valueFraction() = 0.0;
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<scalar>::operator=
-        (
-            Field<scalar>("value", dict, p.size())
-        );
-    }
-    else
     {
         fvPatchField<scalar>::operator=(refValue());
     }

src/thermoTools/derivedFvPatchFields/turbulentTemperatureCoupledBaffleMixed/turbulentTemperatureCoupledBaffleMixedFvPatchScalarField.C

@@ -143,14 +143,11 @@ turbulentTemperatureCoupledBaffleMixedFvPatchScalarField
     );
 
 
-    fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
 
-    if (dict.found("refValue"))
+    if (this->readMixedEntries(dict))
     {
         // Full restart
-        refValue() = scalarField("refValue", dict, p.size());
-        refGrad() = scalarField("refGradient", dict, p.size());
-        valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/thermoTools/derivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C

@@ -191,14 +191,11 @@ turbulentTemperatureRadCoupledMixedFvPatchScalarField
         );
     }
 
-    fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
+    this->readValueEntry(dict, IOobjectOption::MUST_READ);
 
-    if (dict.found("refValue"))
+    if (this->readMixedEntries(dict))
     {
         // Full restart
-        refValue() = scalarField("refValue", dict, p.size());
-        refGrad() = scalarField("refGradient", dict, p.size());
-        valueFraction() = scalarField("valueFraction", dict, p.size());
     }
     else
     {

src/thermoTools/derivedFvPatchFields/wallFunctions/sorptionWallFunction/sorptionWallFunctionFvPatchScalarField.C

@@ -274,7 +274,7 @@ sorptionWallFunctionFvPatchScalarField::sorptionWallFunctionFvPatchScalarField
     const dictionary& dict
 )
 :
-    fixedGradientFvPatchScalarField(p, iF),
+    fixedGradientFvPatchScalarField(p, iF),  // Bypass dictionary constructor
     wallFunctionBlenders(dict, blenderType::STEPWISE, scalar(2)),
     laminar_(dict.getOrDefault<bool>("laminar", false)),
     kAbsPtr_(PatchFunction1<scalar>::New(p.patch(), "kAbs", dict)),
@@ -303,13 +303,11 @@ sorptionWallFunctionFvPatchScalarField::sorptionWallFunctionFvPatchScalarField
             << exit(FatalIOError);
     }
 
-    if (dict.found("value") && dict.found("gradient"))
+    const auto* hasGrad = dict.findEntry("gradient", keyType::LITERAL);
+
+    if (hasGrad && this->readValueEntry(dict))
     {
-        fvPatchField<scalar>::operator =
+        gradient().assign(*hasGrad, p.size());
-            (
-                Field<scalar>("value", dict, p.size())
-            );
-        gradient() = Field<scalar>("gradient", dict, p.size());
     }
     else
     {

src/thermoTools/derivedFvPatchFields/wallHeatTransfer/wallHeatTransferFvPatchScalarField.C

@@ -77,14 +77,7 @@ Foam::wallHeatTransferFvPatchScalarField::wallHeatTransferFvPatchScalarField
     refGrad() = 0.0;
     valueFraction() = 0.0;
 
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchField<scalar>::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         evaluate();
     }

src/thermophysicalModels/basic/derivedFvPatchFields/energyJump/energyJump/energyJumpFvPatchScalarField.C

@@ -64,14 +64,7 @@ Foam::energyJumpFvPatchScalarField::energyJumpFvPatchScalarField
 :
     fixedJumpFvPatchField<scalar>(p, iF)
 {
-    if (dict.found("value"))
+    if (!this->readValueEntry(dict))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
     {
         evaluate(Pstream::commsTypes::blocking);
     }