diff --git a/src/functionObjects/field/components/componentsTemplates.C b/src/functionObjects/field/components/componentsTemplates.C
index 7d56c3c41b..a899a293a6 100644
--- a/src/functionObjects/field/components/componentsTemplates.C
+++ b/src/functionObjects/field/components/componentsTemplates.C
@@ -57,11 +57,11 @@ bool Foam::functionObjects::components::calcComponents()
     typedef GeometricField<Type, fvPatchField, volMesh> VolFieldType;
     typedef GeometricField<Type, fvsPatchField, surfaceMesh> SurfaceFieldType;
 
-    if (foundObject<VolFieldType>(fieldName_))
+    if (foundObject<VolFieldType>(fieldName_, false))
     {
         return calcFieldComponents<VolFieldType>();
     }
-    else if (foundObject<SurfaceFieldType>(fieldName_))
+    else if (foundObject<SurfaceFieldType>(fieldName_, false))
     {
         return calcFieldComponents<SurfaceFieldType>();
     }
diff --git a/src/functionObjects/field/div/divTemplates.C b/src/functionObjects/field/div/divTemplates.C
index 08d78e198f..c13ec96c9f 100644
--- a/src/functionObjects/field/div/divTemplates.C
+++ b/src/functionObjects/field/div/divTemplates.C
@@ -30,7 +30,7 @@ License
 template<class FieldType>
 bool Foam::functionObjects::div::calcDiv()
 {
-    if (foundObject<FieldType>(fieldName_))
+    if (foundObject<FieldType>(fieldName_, false))
     {
         return store
         (
diff --git a/src/functionObjects/field/fieldExpression/fieldExpression.H b/src/functionObjects/field/fieldExpression/fieldExpression.H
index 0ae69f8aec..8f1e263efc 100644
--- a/src/functionObjects/field/fieldExpression/fieldExpression.H
+++ b/src/functionObjects/field/fieldExpression/fieldExpression.H
@@ -77,7 +77,7 @@ protected:
         void setResultName(const word& typeName, const word& defaultArg);
 
         template<class Type>
-        bool foundObject(const word& name);
+        bool foundObject(const word& name, const bool verbose = true) const;
 
 
 private:
diff --git a/src/functionObjects/field/fieldExpression/fieldExpressionTemplates.C b/src/functionObjects/field/fieldExpression/fieldExpressionTemplates.C
index 442834b6e5..f2549fbf66 100644
--- a/src/functionObjects/field/fieldExpression/fieldExpressionTemplates.C
+++ b/src/functionObjects/field/fieldExpression/fieldExpressionTemplates.C
@@ -30,8 +30,9 @@ License
 template<class Type>
 bool Foam::functionObjects::fieldExpression::foundObject
 (
-    const word& name
-)
+    const word& name,
+    const bool verbose
+) const
 {
     if (fvMeshFunctionObject::foundObject<Type>(name))
     {
@@ -39,10 +40,13 @@ bool Foam::functionObjects::fieldExpression::foundObject
     }
     else
     {
-        Warning
-            << "    functionObjects::" << type() << " " << this->name()
-            << " cannot find required object " << name << " of type "
-            << Type::typeName << endl;
+        if (verbose)
+        {
+            Warning
+                << "    functionObjects::" << type() << " " << this->name()
+                << " cannot find required object " << name << " of type "
+                << Type::typeName << endl;
+        }
 
         return false;
     }
diff --git a/src/functionObjects/field/grad/gradTemplates.C b/src/functionObjects/field/grad/gradTemplates.C
index d1ad033526..e7b6b81248 100644
--- a/src/functionObjects/field/grad/gradTemplates.C
+++ b/src/functionObjects/field/grad/gradTemplates.C
@@ -33,7 +33,7 @@ bool Foam::functionObjects::grad::calcGrad()
     typedef GeometricField<Type, fvPatchField, volMesh> VolFieldType;
     typedef GeometricField<Type, fvsPatchField, surfaceMesh> SurfaceFieldType;
 
-    if (foundObject<VolFieldType>(fieldName_))
+    if (foundObject<VolFieldType>(fieldName_, false))
     {
         return store
         (
@@ -42,7 +42,7 @@ bool Foam::functionObjects::grad::calcGrad()
             mesh_.changing() && mesh_.cache(resultName_)
         );
     }
-    else if (foundObject<SurfaceFieldType>(fieldName_))
+    else if (foundObject<SurfaceFieldType>(fieldName_, false))
     {
         return store
         (
diff --git a/src/functionObjects/field/mag/magTemplates.C b/src/functionObjects/field/mag/magTemplates.C
index dead35a360..a02d9a2ac6 100644
--- a/src/functionObjects/field/mag/magTemplates.C
+++ b/src/functionObjects/field/mag/magTemplates.C
@@ -36,7 +36,7 @@ bool Foam::functionObjects::mag::calcMag()
     typedef GeometricField<Type, fvsPatchField, surfaceMesh> SurfaceFieldType;
     typedef DimensionedField<Type, surfGeoMesh> SurfFieldType;
 
-    if (foundObject<VolFieldType>(fieldName_))
+    if (foundObject<VolFieldType>(fieldName_, false))
     {
         return store
         (
@@ -44,7 +44,7 @@ bool Foam::functionObjects::mag::calcMag()
             Foam::mag(lookupObject<VolFieldType>(fieldName_))
         );
     }
-    else if (foundObject<SurfaceFieldType>(fieldName_))
+    else if (foundObject<SurfaceFieldType>(fieldName_, false))
     {
         return store
         (
@@ -52,7 +52,7 @@ bool Foam::functionObjects::mag::calcMag()
             Foam::mag(lookupObject<SurfaceFieldType>(fieldName_))
         );
     }
-    else if (foundObject<SurfFieldType>(fieldName_))
+    else if (foundObject<SurfFieldType>(fieldName_, false))
     {
         return store
         (
diff --git a/src/functionObjects/field/magSqr/magSqrTemplates.C b/src/functionObjects/field/magSqr/magSqrTemplates.C
index a3fee019bb..57a808ad91 100644
--- a/src/functionObjects/field/magSqr/magSqrTemplates.C
+++ b/src/functionObjects/field/magSqr/magSqrTemplates.C
@@ -36,7 +36,7 @@ bool Foam::functionObjects::magSqr::calcMagSqr()
     typedef GeometricField<Type, fvsPatchField, surfaceMesh> SurfaceFieldType;
     typedef DimensionedField<Type, surfGeoMesh> SurfFieldType;
 
-    if (foundObject<VolFieldType>(fieldName_))
+    if (foundObject<VolFieldType>(fieldName_, false))
     {
         return store
         (
@@ -44,7 +44,7 @@ bool Foam::functionObjects::magSqr::calcMagSqr()
             Foam::magSqr(lookupObject<VolFieldType>(fieldName_))
         );
     }
-    else if (foundObject<SurfaceFieldType>(fieldName_))
+    else if (foundObject<SurfaceFieldType>(fieldName_, false))
     {
         return store
         (
@@ -52,7 +52,7 @@ bool Foam::functionObjects::magSqr::calcMagSqr()
             Foam::magSqr(lookupObject<SurfaceFieldType>(fieldName_))
         );
     }
-    else if (foundObject<SurfFieldType>(fieldName_))
+    else if (foundObject<SurfFieldType>(fieldName_, false))
     {
         return store
         (
diff --git a/src/functionObjects/field/randomise/randomiseTemplates.C b/src/functionObjects/field/randomise/randomiseTemplates.C
index cf917c45f7..a466ef3551 100644
--- a/src/functionObjects/field/randomise/randomiseTemplates.C
+++ b/src/functionObjects/field/randomise/randomiseTemplates.C
@@ -33,11 +33,11 @@ bool Foam::functionObjects::randomise::calcRandomised()
 {
     typedef GeometricField<Type, fvPatchField, volMesh> VolFieldType;
 
-    if (foundObject<VolFieldType>(fieldName_))
+    if (foundObject<VolFieldType>(fieldName_, false))
     {
         const VolFieldType& field = lookupObject<VolFieldType>(fieldName_);
 
-        resultName_ = fieldName_ + "Random";
+        resultName_ = fieldName_ & "Random";
 
         tmp<VolFieldType> rfieldt(new VolFieldType(field));
         VolFieldType& rfield = rfieldt.ref();