diff --git a/src/OpenFOAM/expressions/Function1/Function1Expression.C b/src/OpenFOAM/expressions/Function1/Function1Expression.C
index 2575e0cb01..a33c1f01a2 100644
--- a/src/OpenFOAM/expressions/Function1/Function1Expression.C
+++ b/src/OpenFOAM/expressions/Function1/Function1Expression.C
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -33,10 +33,11 @@ template<class Type>
 Foam::Function1Types::Function1Expression<Type>::Function1Expression
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName, dict),
+    Function1<Type>(entryName, dict, obrPtr),
     dict_(dict),
     valueExpr_(),
     driver_(1, dict_)
@@ -88,6 +89,8 @@ Type Foam::Function1Types::Function1Expression<Type>::value
 
     driver_.setArgument(x);
 
+    driver_.resetDb(this->whichDb());
+
     driver_.parse(this->valueExpr_);
 
     expressions::exprResult result(driver_.result());
@@ -98,7 +101,9 @@ Type Foam::Function1Types::Function1Expression<Type>::value
     if (!result.hasValue() || !result.size() || !result.isType<Type>())
     {
         FatalErrorInFunction
-            << "Could not evaluate: " << this->valueExpr_
+            << "Could not evaluate: " << this->valueExpr_ << nl
+            << "Result size:" << result.size()
+            << " type:" << result.valueType() << nl
             << exit(FatalError);
     }
 
@@ -124,7 +129,7 @@ void Foam::Function1Types::Function1Expression<Type>::writeData
     Ostream& os
 ) const
 {
-    // Function1-from-subdict so out dictionary contains
+    // Function1-from-subdict so output dictionary contains
     // only the relevant entries.
     dict_.writeEntry(this->name(), os);
 }
diff --git a/src/OpenFOAM/expressions/Function1/Function1Expression.H b/src/OpenFOAM/expressions/Function1/Function1Expression.H
index ccb91b9f6e..824f84312e 100644
--- a/src/OpenFOAM/expressions/Function1/Function1Expression.H
+++ b/src/OpenFOAM/expressions/Function1/Function1Expression.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -113,8 +113,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        Function1Expression(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        Function1Expression
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Copy construct
         explicit Function1Expression(const Function1Expression<Type>& rhs);
diff --git a/src/OpenFOAM/primitives/functions/Function1/CSV/CSV.C b/src/OpenFOAM/primitives/functions/Function1/CSV/CSV.C
index 03fb6b86c0..f3d4c064ad 100644
--- a/src/OpenFOAM/primitives/functions/Function1/CSV/CSV.C
+++ b/src/OpenFOAM/primitives/functions/Function1/CSV/CSV.C
@@ -210,10 +210,11 @@ Foam::Function1Types::CSV<Type>::CSV
 (
     const word& entryName,
     const dictionary& dict,
+    const objectRegistry* obrPtr,
     const fileName& fName
 )
 :
-    TableBase<Type>(entryName, dict),
+    TableBase<Type>(entryName, dict, obrPtr),
     nHeaderLine_(dict.get<label>("nHeaderLine")),
     refColumn_(dict.get<label>("refColumn")),
     componentColumns_(getComponentColumns("componentColumns", dict)),
diff --git a/src/OpenFOAM/primitives/functions/Function1/CSV/CSV.H b/src/OpenFOAM/primitives/functions/Function1/CSV/CSV.H
index 1c5a2bb693..1ecaf41341 100644
--- a/src/OpenFOAM/primitives/functions/Function1/CSV/CSV.H
+++ b/src/OpenFOAM/primitives/functions/Function1/CSV/CSV.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2017-2020 OpenCFD Ltd.
+    Copyright (C) 2017-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -125,11 +125,12 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
+        //- Construct from entry name, dictionary and optional registry
         CSV
         (
             const word& entryName,
             const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr,
             const fileName& fName = fileName::null
         );
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/Constant/Constant.C b/src/OpenFOAM/primitives/functions/Function1/Constant/Constant.C
index 36c764e895..f2f1f592f9 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Constant/Constant.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Constant/Constant.C
@@ -34,10 +34,11 @@ template<class Type>
 Foam::Function1Types::Constant<Type>::Constant
 (
     const word& entryName,
-    const Type& value
+    const Type& value,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName),
+    Function1<Type>(entryName, obrPtr),
     value_(value)
 {}
 
@@ -46,10 +47,11 @@ template<class Type>
 Foam::Function1Types::Constant<Type>::Constant
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName, dict),
+    Function1<Type>(entryName, dict, obrPtr),
     value_(Zero)
 {
     const entry* eptr = dict.findEntry(entryName, keyType::LITERAL);
diff --git a/src/OpenFOAM/primitives/functions/Function1/Constant/Constant.H b/src/OpenFOAM/primitives/functions/Function1/Constant/Constant.H
index 4dfac6e68a..965bb7d464 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Constant/Constant.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Constant/Constant.H
@@ -95,10 +95,20 @@ public:
     // Constructors
 
         //- Construct from components
-        Constant(const word& entryName, const Type& value);
+        Constant
+        (
+            const word& entryName,
+            const Type& value,
+            const objectRegistry* obrPtr = nullptr
+        );
 
-        //- Construct from entry name and dictionary
-        Constant(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        Constant
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Construct from entry name and Istream
         //  Reads the constant value without the Function1 type
diff --git a/src/OpenFOAM/primitives/functions/Function1/Cosine/Cosine.H b/src/OpenFOAM/primitives/functions/Function1/Cosine/Cosine.H
index 08383ac1c9..01b4294ca7 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Cosine/Cosine.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Cosine/Cosine.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -131,10 +131,15 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        Cosine(const word& entryName, const dictionary& dict)
+        //- Construct from entry name, dictionary and optional registry
+        Cosine
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        )
         :
-            Sine<Type>(entryName, dict)
+            Sine<Type>(entryName, dict, obrPtr)
         {}
 
         //- Copy construct
diff --git a/src/OpenFOAM/primitives/functions/Function1/Function1/Function1.C b/src/OpenFOAM/primitives/functions/Function1/Function1/Function1.C
index e5a3834661..cfcde22801 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Function1/Function1.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Function1/Function1.C
@@ -126,10 +126,11 @@ template<class Function1Type>
 Foam::FieldFunction1<Function1Type>::FieldFunction1
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1Type(entryName, dict)
+    Function1Type(entryName, dict, obrPtr)
 {}
 
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/Function1/Function1.H b/src/OpenFOAM/primitives/functions/Function1/Function1/Function1.H
index 0e2cffdf31..8c3bb81bd6 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Function1/Function1.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Function1/Function1.H
@@ -104,6 +104,7 @@ class Function1
             const entry* eptr,       // Eg, dict.findEntry(entryName)
             const dictionary& dict,
             const word& redirectType,
+            const objectRegistry* obrPtr,
             const bool mandatory
         );
 
@@ -131,9 +132,10 @@ public:
         dictionary,
         (
             const word& entryName,
-            const dictionary& dict
+            const dictionary& dict,
+            const objectRegistry* obrPtr
         ),
-        (entryName, dict)
+        (entryName, dict, obrPtr)
     );
 
 
@@ -146,7 +148,8 @@ public:
             const objectRegistry* obrPtr = nullptr
         );
 
-        //- Construct from entry name and dictionary (unused)
+        //- Construct from entry name, (unused) dictionary
+        //- and optional registry
         Function1
         (
             const word& entryName,
@@ -169,6 +172,7 @@ public:
             const word& entryName,
             const dictionary& dict,
             const word& redirectType,
+            const objectRegistry* obrPtr = nullptr,
             const bool mandatory = true
         );
 
@@ -179,6 +183,7 @@ public:
             std::initializer_list<std::pair<const char*,int>> compat,
             const dictionary& dict,
             const word& redirectType = word::null,
+            const objectRegistry* obrPtr = nullptr,
             const bool mandatory = true
         );
 
@@ -187,6 +192,7 @@ public:
         (
             const word& entryName,
             const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr,
             const bool mandatory = true
         );
 
@@ -195,7 +201,8 @@ public:
         (
             const word& entryName,
             const dictionary& dict,
-            const word& redirectType = word::null
+            const word& redirectType = word::null,
+            const objectRegistry* obrPtr = nullptr
         );
 
 
@@ -209,6 +216,7 @@ public:
             const word& entryName,
             const dictionary& dict,
             enum keyType::option matchOpt = keyType::LITERAL,
+            const objectRegistry* obrPtr = nullptr,
             const bool mandatory = true
         );
 
@@ -221,7 +229,8 @@ public:
         ///     const word& entryName,
         ///     const dictionary& dict,
         ///     const Type& deflt,
-        ///     enum keyType::option matchOpt = keyType::LITERAL
+        ///     enum keyType::option matchOpt = keyType::LITERAL,
+        ///     const objectRegistry* obrPtr = nullptr
         /// );
 
 
@@ -286,7 +295,12 @@ public:
     // Constructors
 
         //- Construct from entry name and dictionary
-        FieldFunction1(const word& entryName, const dictionary& dict);
+        FieldFunction1
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Construct and return a clone
         virtual tmp<Function1<Type>> clone() const;
diff --git a/src/OpenFOAM/primitives/functions/Function1/Function1/Function1New.C b/src/OpenFOAM/primitives/functions/Function1/Function1/Function1New.C
index 0cefa9e2ac..6b60839e00 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Function1/Function1New.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Function1/Function1New.C
@@ -38,6 +38,7 @@ Foam::Function1<Type>::New
     const entry* eptr,
     const dictionary& dict,
     const word& redirectType,
+    const objectRegistry* obrPtr,
     const bool mandatory
 )
 {
@@ -86,7 +87,12 @@ Foam::Function1<Type>::New
 
             return autoPtr<Function1<Type>>
             (
-                new Function1Types::Constant<Type>(entryName, constValue)
+                new Function1Types::Constant<Type>
+                (
+                    entryName,
+                    constValue,
+                    obrPtr
+                )
             );
         }
 
@@ -135,7 +141,7 @@ Foam::Function1<Type>::New
             << exit(FatalIOError);
     }
 
-    return ctorPtr(entryName, *coeffs);
+    return ctorPtr(entryName, *coeffs, obrPtr);
 }
 
 
@@ -146,6 +152,7 @@ Foam::Function1<Type>::New
     const word& entryName,
     const dictionary& dict,
     const word& redirectType,
+    const objectRegistry* obrPtr,
     const bool mandatory
 )
 {
@@ -155,6 +162,7 @@ Foam::Function1<Type>::New
         dict.findEntry(entryName, keyType::LITERAL),
         dict,
         redirectType,
+        obrPtr,
         mandatory
     );
 }
@@ -168,6 +176,7 @@ Foam::Function1<Type>::NewCompat
     std::initializer_list<std::pair<const char*,int>> compat,
     const dictionary& dict,
     const word& redirectType,
+    const objectRegistry* obrPtr,
     const bool mandatory
 )
 {
@@ -177,6 +186,7 @@ Foam::Function1<Type>::NewCompat
         dict.findCompat(entryName, compat, keyType::LITERAL),
         dict,
         redirectType,
+        obrPtr,
         mandatory
     );
 }
@@ -188,10 +198,11 @@ Foam::Function1<Type>::New
 (
     const word& entryName,
     const dictionary& dict,
+    const objectRegistry* obrPtr,
     const bool mandatory
 )
 {
-    return Function1<Type>::New(entryName, dict, word::null, mandatory);
+    return Function1<Type>::New(entryName, dict, word::null, obrPtr, mandatory);
 }
 
 
@@ -201,11 +212,12 @@ Foam::Function1<Type>::NewIfPresent
 (
     const word& entryName,
     const dictionary& dict,
-    const word& redirectType
+    const word& redirectType,
+    const objectRegistry* obrPtr
 )
 {
     // mandatory = false
-    return Function1<Type>::New(entryName, dict, redirectType, false);
+    return Function1<Type>::New(entryName, dict, redirectType, obrPtr, false);
 }
 
 
@@ -218,6 +230,7 @@ Foam::Function1<Type>::New
     const word& entryName,
     const dictionary& dict,
     enum keyType::option matchOpt,
+    const objectRegistry* obrPtr,
     const bool mandatory
 )
 {
@@ -259,6 +272,7 @@ Foam::Function1<Type>::New
                     eptr,  // Already resolved
                     dict,
                     word::null,
+                    obrPtr,
                     mandatory
                 )
             );
@@ -292,12 +306,13 @@ Foam::Function1<Type>::New
 ///     const word& entryName,
 ///     const dictionary& dict,
 ///     const Type& deflt,
-///     enum keyType::option matchOpt
+///     enum keyType::option matchOpt,
+///     const objectRegistry* obrPtr
 /// )
 /// {
 ///     auto fref
 ///     (
-///         Function1<Type>::New(entryName, dict, cache, matchOpt, false)
+///         Function1<Type>::New(entryName, dict, cache, matchOpt, obrPtr,false)
 ///     );
 ///
 ///     if (!fref)
@@ -308,5 +323,4 @@ Foam::Function1<Type>::New
 ///     return fref;
 /// }
 
-
 // ************************************************************************* //
diff --git a/src/OpenFOAM/primitives/functions/Function1/LimitRange/LimitRange.C b/src/OpenFOAM/primitives/functions/Function1/LimitRange/LimitRange.C
index 0537e48fc3..7beccbed7d 100644
--- a/src/OpenFOAM/primitives/functions/Function1/LimitRange/LimitRange.C
+++ b/src/OpenFOAM/primitives/functions/Function1/LimitRange/LimitRange.C
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -42,10 +42,11 @@ template<class Type>
 Foam::Function1Types::LimitRange<Type>::LimitRange
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName)
+    Function1<Type>(entryName, obrPtr)
 {
     read(dict);
 }
diff --git a/src/OpenFOAM/primitives/functions/Function1/LimitRange/LimitRange.H b/src/OpenFOAM/primitives/functions/Function1/LimitRange/LimitRange.H
index e167ebba3c..3222af610a 100644
--- a/src/OpenFOAM/primitives/functions/Function1/LimitRange/LimitRange.H
+++ b/src/OpenFOAM/primitives/functions/Function1/LimitRange/LimitRange.H
@@ -135,8 +135,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        LimitRange(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        LimitRange
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Copy construct
         explicit LimitRange(const LimitRange<Type>& rhs);
diff --git a/src/OpenFOAM/primitives/functions/Function1/One/OneConstant.C b/src/OpenFOAM/primitives/functions/Function1/One/OneConstant.C
index 25acd3a7dd..4131a04220 100644
--- a/src/OpenFOAM/primitives/functions/Function1/One/OneConstant.C
+++ b/src/OpenFOAM/primitives/functions/Function1/One/OneConstant.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
+    Copyright (C) 2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -30,9 +31,13 @@ License
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
 template<class Type>
-Foam::Function1Types::OneConstant<Type>::OneConstant(const word& entryName)
+Foam::Function1Types::OneConstant<Type>::OneConstant
+(
+    const word& entryName,
+    const objectRegistry* obrPtr
+)
 :
-    Function1<Type>(entryName)
+    Function1<Type>(entryName, obrPtr)
 {}
 
 
@@ -40,10 +45,11 @@ template<class Type>
 Foam::Function1Types::OneConstant<Type>::OneConstant
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName, dict)
+    Function1<Type>(entryName, dict, obrPtr)
 {}
 
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/One/OneConstant.H b/src/OpenFOAM/primitives/functions/Function1/One/OneConstant.H
index a072e0432d..ea50b0e998 100644
--- a/src/OpenFOAM/primitives/functions/Function1/One/OneConstant.H
+++ b/src/OpenFOAM/primitives/functions/Function1/One/OneConstant.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -75,11 +75,20 @@ public:
 
     // Constructors
 
-        //- Construct from entry name
-        explicit OneConstant(const word& entryName);
+        //- Construct from entry name and optional registry
+        explicit OneConstant
+        (
+            const word& entryName,
+            const objectRegistry* obrPtr = nullptr
+        );
 
-        //- Construct from entry name and dictionary
-        OneConstant(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        OneConstant
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Construct and return a clone
         virtual tmp<Function1<Type>> clone() const
diff --git a/src/OpenFOAM/primitives/functions/Function1/Polynomial/PolynomialEntry.C b/src/OpenFOAM/primitives/functions/Function1/Polynomial/PolynomialEntry.C
index b5b2cc6cfe..d72f9a7cf7 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Polynomial/PolynomialEntry.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Polynomial/PolynomialEntry.C
@@ -65,10 +65,11 @@ template<class Type>
 Foam::Function1Types::Polynomial<Type>::Polynomial
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName, dict),
+    Function1<Type>(entryName, dict, obrPtr),
     coeffs_(),
     canIntegrate_(true)
 {
@@ -104,10 +105,11 @@ template<class Type>
 Foam::Function1Types::Polynomial<Type>::Polynomial
 (
     const word& entryName,
-    const List<Tuple2<Type, Type>>& coeffs
+    const List<Tuple2<Type, Type>>& coeffs,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName),
+    Function1<Type>(entryName, obrPtr),
     coeffs_(coeffs),
     canIntegrate_(true)
 {
diff --git a/src/OpenFOAM/primitives/functions/Function1/Polynomial/PolynomialEntry.H b/src/OpenFOAM/primitives/functions/Function1/Polynomial/PolynomialEntry.H
index 6fc5cf9249..67d35b504e 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Polynomial/PolynomialEntry.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Polynomial/PolynomialEntry.H
@@ -108,14 +108,20 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        Polynomial(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        Polynomial
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Construct from components
         Polynomial
         (
             const word& entryName,
-            const List<Tuple2<Type, Type>>& coeffs
+            const List<Tuple2<Type, Type>>& coeffs,
+            const objectRegistry* obrPtr = nullptr
         );
 
         //- Copy constructor
diff --git a/src/OpenFOAM/primitives/functions/Function1/Scale/Scale.C b/src/OpenFOAM/primitives/functions/Function1/Scale/Scale.C
index 52e7fdc8d3..20903c007a 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Scale/Scale.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Scale/Scale.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -28,7 +28,7 @@ License
 
 #include "Scale.H"
 
-// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
 template<class Type>
 void Foam::Function1Types::Scale<Type>::read(const dictionary& coeffs)
@@ -38,14 +38,17 @@ void Foam::Function1Types::Scale<Type>::read(const dictionary& coeffs)
 }
 
 
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
 template<class Type>
 Foam::Function1Types::Scale<Type>::Scale
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName)
+    Function1<Type>(entryName, obrPtr)
 {
     read(dict);
 }
diff --git a/src/OpenFOAM/primitives/functions/Function1/Scale/Scale.H b/src/OpenFOAM/primitives/functions/Function1/Scale/Scale.H
index 7077203b59..16291de98d 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Scale/Scale.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Scale/Scale.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -122,11 +122,12 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
+        //- Construct from entry name, dictionary and optional registry
         Scale
         (
             const word& entryName,
-            const dictionary& dict
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
         );
 
         //- Copy construct
diff --git a/src/OpenFOAM/primitives/functions/Function1/Sine/Sine.C b/src/OpenFOAM/primitives/functions/Function1/Sine/Sine.C
index bfcafed6db..9b928c7e16 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Sine/Sine.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Sine/Sine.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2016-2017 OpenFOAM Foundation
-    Copyright (C) 2016-2020 OpenCFD Ltd.
+    Copyright (C) 2016-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -34,10 +34,11 @@ template<class Type>
 Foam::Function1Types::Sine<Type>::Sine
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName, dict),
+    Function1<Type>(entryName, dict, obrPtr),
     t0_(dict.getOrDefault<scalar>("t0", 0)),
     amplitude_(Function1<scalar>::NewIfPresent("amplitude", dict)),
     period_(Function1<scalar>::NewIfPresent("period", dict)),
diff --git a/src/OpenFOAM/primitives/functions/Function1/Sine/Sine.H b/src/OpenFOAM/primitives/functions/Function1/Sine/Sine.H
index 64096352e7..be8fdecb8e 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Sine/Sine.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Sine/Sine.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2016-2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -181,8 +181,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        Sine(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        Sine
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Copy construct
         explicit Sine(const Sine<Type>& rhs);
diff --git a/src/OpenFOAM/primitives/functions/Function1/Square/Square.C b/src/OpenFOAM/primitives/functions/Function1/Square/Square.C
index adc4d91f35..c0295bd543 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Square/Square.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Square/Square.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2016-2017 OpenFOAM Foundation
-    Copyright (C) 2016-2020 OpenCFD Ltd.
+    Copyright (C) 2016-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -34,10 +34,11 @@ template<class Type>
 Foam::Function1Types::Square<Type>::Square
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Sine<Type>(entryName, dict),
+    Sine<Type>(entryName, dict, obrPtr),
     mark_(dict.getOrDefaultCompat<scalar>("mark", {{"markSpace", 2006}}, 1)),
     space_(dict.getOrDefault<scalar>("space", 1))
 {}
diff --git a/src/OpenFOAM/primitives/functions/Function1/Square/Square.H b/src/OpenFOAM/primitives/functions/Function1/Square/Square.H
index c79f6e12f3..da491a16f0 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Square/Square.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Square/Square.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2016-2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -144,8 +144,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        Square(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        Square
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Copy construct
         explicit Square(const Square<Type>& rhs);
diff --git a/src/OpenFOAM/primitives/functions/Function1/Table/Table.C b/src/OpenFOAM/primitives/functions/Function1/Table/Table.C
index cb57b87502..37146ea019 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Table/Table.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Table/Table.C
@@ -34,10 +34,11 @@ template<class Type>
 Foam::Function1Types::Table<Type>::Table
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    TableBase<Type>(entryName, dict),
+    TableBase<Type>(entryName, dict, obrPtr),
     fName_()
 {
     const entry* eptr = dict.findEntry(entryName, keyType::LITERAL);
diff --git a/src/OpenFOAM/primitives/functions/Function1/Table/Table.H b/src/OpenFOAM/primitives/functions/Function1/Table/Table.H
index 154e18c8e2..c9832de5c0 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Table/Table.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Table/Table.H
@@ -119,8 +119,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary.
-        Table(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        Table
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Copy construct
         explicit Table(const Table<Type>& tbl);
diff --git a/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.C b/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.C
index 497e4b4cd6..bb8decf69d 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.C
@@ -62,10 +62,11 @@ template<class Type>
 Foam::Function1Types::TableBase<Type>::TableBase
 (
     const word& name,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(name, dict),
+    Function1<Type>(name, dict, obrPtr),
     bounding_
     (
         bounds::repeatableBoundingNames.getOrDefault
@@ -103,13 +104,6 @@ Foam::Function1Types::TableBase<Type>::TableBase(const TableBase<Type>& tbl)
 {}
 
 
-// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
-
-template<class Type>
-Foam::Function1Types::TableBase<Type>::~TableBase()
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class Type>
diff --git a/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.H b/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.H
index 57b05c7f2b..aed16b6919 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -101,14 +101,19 @@ public:
     // Constructors
 
         //- Construct from dictionary - note table is not populated
-        TableBase(const word& name, const dictionary& dict);
+        TableBase
+        (
+            const word& name,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Copy constructor. Note: steals interpolator, tableSamples
         explicit TableBase(const TableBase<Type>& tbl);
 
 
     //- Destructor
-    virtual ~TableBase();
+    virtual ~TableBase() = default;
 
 
     // Member Functions
diff --git a/src/OpenFOAM/primitives/functions/Function1/TableFile/TableFile.C b/src/OpenFOAM/primitives/functions/Function1/TableFile/TableFile.C
index 0f06734ee9..0d8afbf43c 100644
--- a/src/OpenFOAM/primitives/functions/Function1/TableFile/TableFile.C
+++ b/src/OpenFOAM/primitives/functions/Function1/TableFile/TableFile.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2016-2019 OpenCFD Ltd.
+    Copyright (C) 2016-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -34,10 +34,11 @@ template<class Type>
 Foam::Function1Types::TableFile<Type>::TableFile
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    TableBase<Type>(entryName, dict),
+    TableBase<Type>(entryName, dict, obrPtr),
     fName_()
 {
     dict.readEntry("file", fName_);
diff --git a/src/OpenFOAM/primitives/functions/Function1/TableFile/TableFile.H b/src/OpenFOAM/primitives/functions/Function1/TableFile/TableFile.H
index cabe6e2d9f..9cd1319d6d 100644
--- a/src/OpenFOAM/primitives/functions/Function1/TableFile/TableFile.H
+++ b/src/OpenFOAM/primitives/functions/Function1/TableFile/TableFile.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2019-2020 OpenCFD Ltd.
+    Copyright (C) 2019-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -101,7 +101,12 @@ public:
     // Constructors
 
         //- Construct from entry name and "file" found in dictionary
-        TableFile(const word& entryName, const dictionary& dict);
+        TableFile
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
         //- Copy construct
         explicit TableFile(const TableFile<Type>& tbl);
diff --git a/src/OpenFOAM/primitives/functions/Function1/Uniform/Uniform.C b/src/OpenFOAM/primitives/functions/Function1/Uniform/Uniform.C
deleted file mode 100644
index fa48a8b659..0000000000
--- a/src/OpenFOAM/primitives/functions/Function1/Uniform/Uniform.C
+++ /dev/null
@@ -1,43 +0,0 @@
-/*---------------------------------------------------------------------------*\
-  =========                 |
-  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
-   \\    /   O peration     |
-    \\  /    A nd           | www.openfoam.com
-     \\/     M anipulation  |
--------------------------------------------------------------------------------
-    Copyright (C) 2017 OpenFOAM Foundation
--------------------------------------------------------------------------------
-License
-    This file is part of OpenFOAM.
-
-    OpenFOAM is free software: you can redistribute it and/or modify it
-    under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
-    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-    for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
-
-\*---------------------------------------------------------------------------*/
-
-#include "Uniform.H"
-
-// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
-
-template<class Type>
-Foam::Function1Types::Uniform<Type>::Uniform
-(
-    const word& entryName,
-    const dictionary& dict
-)
-:
-    Constant<Type>(entryName, dict)
-{}
-
-
-// ************************************************************************* //
diff --git a/src/OpenFOAM/primitives/functions/Function1/Uniform/Uniform.H b/src/OpenFOAM/primitives/functions/Function1/Uniform/Uniform.H
index 805480f504..2edc75a261 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Uniform/Uniform.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Uniform/Uniform.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -38,15 +38,12 @@ Description
         <entryName>    uniform  <value>
     \endverbatim
 
-SourceFiles
-    Uniform.C
-
 \*---------------------------------------------------------------------------*/
 
 #ifndef Function1Types_Uniform_H
 #define Function1Types_Uniform_H
 
-#include "Function1.H"
+#include "Constant.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -81,8 +78,16 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        Uniform(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        Uniform
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        )
+        :
+            Constant<Type>(entryName, dict, obrPtr)
+        {}
 };
 
 
@@ -93,12 +98,6 @@ public:
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-#ifdef NoRepository
-    #include "Uniform.C"
-#endif
-
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
 #endif
 
 // ************************************************************************* //
diff --git a/src/OpenFOAM/primitives/functions/Function1/Zero/ZeroConstant.C b/src/OpenFOAM/primitives/functions/Function1/Zero/ZeroConstant.C
index a9261f2ce4..63cfa2a71f 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Zero/ZeroConstant.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Zero/ZeroConstant.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -31,9 +31,13 @@ License
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
 template<class Type>
-Foam::Function1Types::ZeroConstant<Type>::ZeroConstant(const word& entryName)
+Foam::Function1Types::ZeroConstant<Type>::ZeroConstant
+(
+    const word& entryName,
+    const objectRegistry* obrPtr
+)
 :
-    Function1<Type>(entryName)
+    Function1<Type>(entryName, obrPtr)
 {}
 
 
@@ -41,10 +45,11 @@ template<class Type>
 Foam::Function1Types::ZeroConstant<Type>::ZeroConstant
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<Type>(entryName, dict)
+    Function1<Type>(entryName, dict, obrPtr)
 {}
 
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/Zero/ZeroConstant.H b/src/OpenFOAM/primitives/functions/Function1/Zero/ZeroConstant.H
index 8563f6663d..d0eb1e69db 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Zero/ZeroConstant.H
+++ b/src/OpenFOAM/primitives/functions/Function1/Zero/ZeroConstant.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -84,11 +84,20 @@ public:
 
     // Constructors
 
-        //- Construct from entry name
-        explicit ZeroConstant(const word& entryName);
+        //- Construct from entry name and optional registry
+        explicit ZeroConstant
+        (
+            const word& entryName,
+            const objectRegistry* obrPtr = nullptr
+        );
 
-        //- Construct from entry name and dictionary
-        ZeroConstant(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        ZeroConstant
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
 
     //- Destructor
diff --git a/src/OpenFOAM/primitives/functions/Function1/halfCosineRamp/halfCosineRamp.C b/src/OpenFOAM/primitives/functions/Function1/halfCosineRamp/halfCosineRamp.C
index c41dee3155..a682ff0c3c 100644
--- a/src/OpenFOAM/primitives/functions/Function1/halfCosineRamp/halfCosineRamp.C
+++ b/src/OpenFOAM/primitives/functions/Function1/halfCosineRamp/halfCosineRamp.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
+    Copyright (C) 2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -43,10 +44,11 @@ namespace Function1Types
 Foam::Function1Types::halfCosineRamp::halfCosineRamp
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    ramp(entryName, dict)
+    ramp(entryName, dict, obrPtr)
 {}
 
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/halfCosineRamp/halfCosineRamp.H b/src/OpenFOAM/primitives/functions/Function1/halfCosineRamp/halfCosineRamp.H
index 7d536988e8..96460832bf 100644
--- a/src/OpenFOAM/primitives/functions/Function1/halfCosineRamp/halfCosineRamp.H
+++ b/src/OpenFOAM/primitives/functions/Function1/halfCosineRamp/halfCosineRamp.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -67,8 +67,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        halfCosineRamp(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        halfCosineRamp
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
 
     //- Destructor
diff --git a/src/OpenFOAM/primitives/functions/Function1/linearRamp/linearRamp.C b/src/OpenFOAM/primitives/functions/Function1/linearRamp/linearRamp.C
index de2aca2812..e6ccee22de 100644
--- a/src/OpenFOAM/primitives/functions/Function1/linearRamp/linearRamp.C
+++ b/src/OpenFOAM/primitives/functions/Function1/linearRamp/linearRamp.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
+    Copyright (C) 2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -43,10 +44,11 @@ namespace Function1Types
 Foam::Function1Types::linearRamp::linearRamp
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    ramp(entryName, dict)
+    ramp(entryName, dict, obrPtr)
 {}
 
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/linearRamp/linearRamp.H b/src/OpenFOAM/primitives/functions/Function1/linearRamp/linearRamp.H
index d22271c839..509e5a4ab9 100644
--- a/src/OpenFOAM/primitives/functions/Function1/linearRamp/linearRamp.H
+++ b/src/OpenFOAM/primitives/functions/Function1/linearRamp/linearRamp.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -67,8 +67,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        linearRamp(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        linearRamp
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
 
     //- Destructor
diff --git a/src/OpenFOAM/primitives/functions/Function1/quadraticRamp/quadraticRamp.C b/src/OpenFOAM/primitives/functions/Function1/quadraticRamp/quadraticRamp.C
index ad1ba81e52..f39b9138b9 100644
--- a/src/OpenFOAM/primitives/functions/Function1/quadraticRamp/quadraticRamp.C
+++ b/src/OpenFOAM/primitives/functions/Function1/quadraticRamp/quadraticRamp.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
+    Copyright (C) 2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -43,10 +44,11 @@ namespace Function1Types
 Foam::Function1Types::quadraticRamp::quadraticRamp
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    ramp(entryName, dict)
+    ramp(entryName, dict, obrPtr)
 {}
 
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/quadraticRamp/quadraticRamp.H b/src/OpenFOAM/primitives/functions/Function1/quadraticRamp/quadraticRamp.H
index fcdfaeacb1..3d6fa2f6ec 100644
--- a/src/OpenFOAM/primitives/functions/Function1/quadraticRamp/quadraticRamp.H
+++ b/src/OpenFOAM/primitives/functions/Function1/quadraticRamp/quadraticRamp.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -67,8 +67,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        quadraticRamp(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        quadraticRamp
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
 
     //- Destructor
diff --git a/src/OpenFOAM/primitives/functions/Function1/quarterCosineRamp/quarterCosineRamp.C b/src/OpenFOAM/primitives/functions/Function1/quarterCosineRamp/quarterCosineRamp.C
index c3b0b2085e..cf40c4da2a 100644
--- a/src/OpenFOAM/primitives/functions/Function1/quarterCosineRamp/quarterCosineRamp.C
+++ b/src/OpenFOAM/primitives/functions/Function1/quarterCosineRamp/quarterCosineRamp.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
+    Copyright (C) 2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -43,7 +44,8 @@ namespace Function1Types
 Foam::Function1Types::quarterCosineRamp::quarterCosineRamp
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
     ramp(entryName, dict)
diff --git a/src/OpenFOAM/primitives/functions/Function1/quarterCosineRamp/quarterCosineRamp.H b/src/OpenFOAM/primitives/functions/Function1/quarterCosineRamp/quarterCosineRamp.H
index 275d316e47..747eee90c3 100644
--- a/src/OpenFOAM/primitives/functions/Function1/quarterCosineRamp/quarterCosineRamp.H
+++ b/src/OpenFOAM/primitives/functions/Function1/quarterCosineRamp/quarterCosineRamp.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -67,8 +67,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        quarterCosineRamp(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        quarterCosineRamp
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
 
     //- Destructor
diff --git a/src/OpenFOAM/primitives/functions/Function1/quarterSineRamp/quarterSineRamp.C b/src/OpenFOAM/primitives/functions/Function1/quarterSineRamp/quarterSineRamp.C
index 287c5dfd13..b4661e00e7 100644
--- a/src/OpenFOAM/primitives/functions/Function1/quarterSineRamp/quarterSineRamp.C
+++ b/src/OpenFOAM/primitives/functions/Function1/quarterSineRamp/quarterSineRamp.C
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
+    Copyright (C) 2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -43,10 +44,11 @@ namespace Function1Types
 Foam::Function1Types::quarterSineRamp::quarterSineRamp
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    ramp(entryName, dict)
+    ramp(entryName, dict, obrPtr)
 {}
 
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/quarterSineRamp/quarterSineRamp.H b/src/OpenFOAM/primitives/functions/Function1/quarterSineRamp/quarterSineRamp.H
index 37aec55d7e..e6d038aab6 100644
--- a/src/OpenFOAM/primitives/functions/Function1/quarterSineRamp/quarterSineRamp.H
+++ b/src/OpenFOAM/primitives/functions/Function1/quarterSineRamp/quarterSineRamp.H
@@ -6,6 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
+    Copyright (C) 2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -66,8 +67,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        quarterSineRamp(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        quarterSineRamp
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
 
     //- Destructor
diff --git a/src/OpenFOAM/primitives/functions/Function1/ramp/ramp.C b/src/OpenFOAM/primitives/functions/Function1/ramp/ramp.C
index 4f3baec921..b66acd4f32 100644
--- a/src/OpenFOAM/primitives/functions/Function1/ramp/ramp.C
+++ b/src/OpenFOAM/primitives/functions/Function1/ramp/ramp.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -40,10 +40,11 @@ void Foam::Function1Types::ramp::read(const dictionary& coeffs)
 Foam::Function1Types::ramp::ramp
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    Function1<scalar>(entryName, dict)
+    Function1<scalar>(entryName, dict, obrPtr)
 {
     read(dict);
 }
diff --git a/src/OpenFOAM/primitives/functions/Function1/ramp/ramp.H b/src/OpenFOAM/primitives/functions/Function1/ramp/ramp.H
index df7ed6c00b..98ce696952 100644
--- a/src/OpenFOAM/primitives/functions/Function1/ramp/ramp.H
+++ b/src/OpenFOAM/primitives/functions/Function1/ramp/ramp.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2017 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -119,11 +119,12 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
+        //- Construct from entry name, dictionary and optional registry
         ramp
         (
             const word& entryName,
-            const dictionary& dict
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
         );
 
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/step/stepFunction.C b/src/OpenFOAM/primitives/functions/Function1/step/stepFunction.C
index 4ab76010f4..efed842cd8 100644
--- a/src/OpenFOAM/primitives/functions/Function1/step/stepFunction.C
+++ b/src/OpenFOAM/primitives/functions/Function1/step/stepFunction.C
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -43,10 +43,11 @@ namespace Function1Types
 Foam::Function1Types::stepFunction::stepFunction
 (
     const word& entryName,
-    const dictionary& dict
+    const dictionary& dict,
+    const objectRegistry* obrPtr
 )
 :
-    ramp(entryName, dict)
+    ramp(entryName, dict, obrPtr)
 {}
 
 
diff --git a/src/OpenFOAM/primitives/functions/Function1/step/stepFunction.H b/src/OpenFOAM/primitives/functions/Function1/step/stepFunction.H
index e6a6daa638..2b1760fb27 100644
--- a/src/OpenFOAM/primitives/functions/Function1/step/stepFunction.H
+++ b/src/OpenFOAM/primitives/functions/Function1/step/stepFunction.H
@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -66,8 +66,13 @@ public:
 
     // Constructors
 
-        //- Construct from entry name and dictionary
-        stepFunction(const word& entryName, const dictionary& dict);
+        //- Construct from entry name, dictionary and optional registry
+        stepFunction
+        (
+            const word& entryName,
+            const dictionary& dict,
+            const objectRegistry* obrPtr = nullptr
+        );
 
 
     //- Destructor
diff --git a/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.C b/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.C
index d516f0a74d..9dd5f3caea 100644
--- a/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.C
+++ b/src/OpenFOAM/primitives/functions/TimeFunction1/TimeFunction1.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2012-2016 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
+    Copyright (C) 2020-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -40,7 +40,7 @@ Foam::TimeFunction1<Type>::TimeFunction1
 :
     time_(runTime),
     name_(entryName),
-    entry_(Function1<Type>::New(entryName, dict))
+    entry_(Function1<Type>::New(entryName, dict, &runTime))
 {
     entry_->convertTimeBase(runTime);
 }
@@ -81,7 +81,7 @@ Foam::TimeFunction1<Type>::TimeFunction1
 template<class Type>
 void Foam::TimeFunction1<Type>::reset(const dictionary& dict)
 {
-    entry_ = Function1<Type>::New(name_, dict);
+    entry_ = Function1<Type>::New(name_, dict, &time_);
     entry_->convertTimeBase(time_);
 }
 
diff --git a/src/randomProcesses/noise/noiseModels/pointNoise/pointNoise.C b/src/randomProcesses/noise/noiseModels/pointNoise/pointNoise.C
index 614840c075..9addd356ee 100644
--- a/src/randomProcesses/noise/noiseModels/pointNoise/pointNoise.C
+++ b/src/randomProcesses/noise/noiseModels/pointNoise/pointNoise.C
@@ -253,7 +253,7 @@ void pointNoise::calculate()
             fName = argList::envGlobalPath()/fName;
         }
 
-        Function1Types::CSV<scalar> data("pressure", dict_, fName);
+        Function1Types::CSV<scalar> data("pressure", dict_, nullptr, fName);
         processData(filei, data);
     }
 }