diff --git a/src/OpenFOAM/dimensionSet/dimensionSet.C b/src/OpenFOAM/dimensionSet/dimensionSet.C
index eb13cdf60b..1c7275b166 100644
--- a/src/OpenFOAM/dimensionSet/dimensionSet.C
+++ b/src/OpenFOAM/dimensionSet/dimensionSet.C
@@ -430,6 +430,20 @@ Foam::dimensionSet Foam::trans(const dimensionSet& ds)
 }
 
 
+Foam::dimensionSet Foam::atan2(const dimensionSet& ds1, const dimensionSet& ds2)
+{
+    if (dimensionSet::debug && ds1 != ds2)
+    {
+        FatalErrorIn("atan2(const dimensionSet&, const dimensionSet&)")
+            << "Arguments of atan2 have different dimensions" << endl
+            << "     dimensions : " << ds1 << " and " << ds2 << endl
+            << abort(FatalError);
+    }
+
+    return dimless;
+}
+
+
 Foam::dimensionSet Foam::transform(const dimensionSet& ds)
 {
     return ds;
diff --git a/src/OpenFOAM/dimensionSet/dimensionSet.H b/src/OpenFOAM/dimensionSet/dimensionSet.H
index 7a6faf95c4..1b03e9e27d 100644
--- a/src/OpenFOAM/dimensionSet/dimensionSet.H
+++ b/src/OpenFOAM/dimensionSet/dimensionSet.H
@@ -354,6 +354,8 @@ public:
         //  for transcendental functions
         friend dimensionSet trans(const dimensionSet&);
 
+        friend dimensionSet atan2(const dimensionSet&, const dimensionSet&);
+
         //- Return the argument; transformations do not change the dimensions
         friend dimensionSet transform(const dimensionSet&);
 
diff --git a/src/OpenFOAM/dimensionedTypes/dimensionedScalar/dimensionedScalar.C b/src/OpenFOAM/dimensionedTypes/dimensionedScalar/dimensionedScalar.C
index b5aea0e571..895dee69e1 100644
--- a/src/OpenFOAM/dimensionedTypes/dimensionedScalar/dimensionedScalar.C
+++ b/src/OpenFOAM/dimensionedTypes/dimensionedScalar/dimensionedScalar.C
@@ -277,6 +277,21 @@ transFunc(yn)
 #undef transFunc
 
 
+dimensionedScalar atan2
+(
+    const dimensionedScalar& x,
+    const dimensionedScalar& y
+)
+{
+    return dimensionedScalar
+    (
+        "atan2(" + x.name() + ',' + y.name() + ')',
+        atan2(x.dimensions(), y.dimensions()),
+        ::atan2(x.value(), y.value())
+    );
+}
+
+
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 } // End namespace Foam
diff --git a/src/OpenFOAM/dimensionedTypes/dimensionedScalar/dimensionedScalar.H b/src/OpenFOAM/dimensionedTypes/dimensionedScalar/dimensionedScalar.H
index bf57a98eb9..97522bab8c 100644
--- a/src/OpenFOAM/dimensionedTypes/dimensionedScalar/dimensionedScalar.H
+++ b/src/OpenFOAM/dimensionedTypes/dimensionedScalar/dimensionedScalar.H
@@ -79,6 +79,7 @@ dimensionedScalar tan(const dimensionedScalar&);
 dimensionedScalar asin(const dimensionedScalar&);
 dimensionedScalar acos(const dimensionedScalar&);
 dimensionedScalar atan(const dimensionedScalar&);
+dimensionedScalar atan2(const dimensionedScalar&, const dimensionedScalar&);
 dimensionedScalar sinh(const dimensionedScalar&);
 dimensionedScalar cosh(const dimensionedScalar&);
 dimensionedScalar tanh(const dimensionedScalar&);
diff --git a/src/OpenFOAM/fields/DimensionedFields/DimensionedScalarField/DimensionedScalarField.C b/src/OpenFOAM/fields/DimensionedFields/DimensionedScalarField/DimensionedScalarField.C
index a4296ff91b..eedd2ac9bd 100644
--- a/src/OpenFOAM/fields/DimensionedFields/DimensionedScalarField/DimensionedScalarField.C
+++ b/src/OpenFOAM/fields/DimensionedFields/DimensionedScalarField/DimensionedScalarField.C
@@ -369,6 +369,263 @@ tmp<DimensionedField<scalar, GeoMesh> > pow
     return pow(dimensionedScalar(s), tdsf);
 }
 
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const DimensionedField<scalar, GeoMesh>& dsf1,
+    const DimensionedField<scalar, GeoMesh>& dsf2
+)
+{
+    tmp<DimensionedField<scalar, GeoMesh> > tAtan2
+    (
+        new DimensionedField<scalar, GeoMesh>
+        (
+            IOobject
+            (
+                "atan2(" + dsf1.name() + ',' + dsf2.name() + ')',
+                dsf1.instance(),
+                dsf1.db()
+            ),
+            dsf1.mesh(),
+            atan2(dsf1.dimensions(), dsf2.dimensions())
+        )
+    );
+
+    atan2(tAtan2().field(), dsf1.field(), dsf2.field());
+
+    return tAtan2;
+}
+
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const tmp<DimensionedField<scalar, GeoMesh> >& tdsf1,
+    const DimensionedField<scalar, GeoMesh>& dsf2
+)
+{
+    const DimensionedField<scalar, GeoMesh>& dsf1 = tdsf1();
+
+    tmp<DimensionedField<scalar, GeoMesh> > tAtan2 =
+        reuseTmpDimensionedField<scalar, scalar, GeoMesh>::New
+        (
+            tdsf1,
+            "atan2(" + dsf1.name() + ',' + dsf2.name() + ')',
+            atan2(dsf1.dimensions(), dsf2.dimensions())
+        );
+
+    atan2(tAtan2().field(), dsf1.field(), dsf2.field());
+
+    reuseTmpDimensionedField<scalar, scalar, GeoMesh>::clear(tdsf1);
+
+    return tAtan2;
+}
+
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const DimensionedField<scalar, GeoMesh>& dsf1,
+    const tmp<DimensionedField<scalar, GeoMesh> >& tdsf2
+)
+{
+    const DimensionedField<scalar, GeoMesh>& dsf2 = tdsf2();
+
+    tmp<DimensionedField<scalar, GeoMesh> > tAtan2 =
+        reuseTmpDimensionedField<scalar, scalar, GeoMesh>::New
+        (
+            tdsf2,
+            "atan2(" + dsf1.name() + ',' + dsf2.name() + ')',
+            atan2(dsf1.dimensions(), dsf2.dimensions())
+        );
+
+    atan2(tAtan2().field(), dsf1.field(), dsf2.field());
+
+    reuseTmpDimensionedField<scalar, scalar, GeoMesh>::clear(tdsf2);
+
+    return tAtan2;
+}
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const tmp<DimensionedField<scalar, GeoMesh> >& tdsf1,
+    const tmp<DimensionedField<scalar, GeoMesh> >& tdsf2
+)
+{
+    const DimensionedField<scalar, GeoMesh>& dsf1 = tdsf1();
+    const DimensionedField<scalar, GeoMesh>& dsf2 = tdsf2();
+
+    tmp<DimensionedField<scalar, GeoMesh> > tAtan2 =
+        reuseTmpTmpDimensionedField<scalar, scalar, scalar, scalar, GeoMesh>::
+        New
+        (
+            tdsf1,
+            tdsf2,
+            "atan2(" + dsf1.name() + ',' + dsf2.name() + ')',
+            atan2(dsf1.dimensions(), dsf2.dimensions())
+        );
+
+    atan2(tAtan2().field(), dsf1.field(), dsf2.field());
+
+    reuseTmpTmpDimensionedField<scalar, scalar, scalar, scalar, GeoMesh>::clear
+    (
+        tdsf1,
+        tdsf2
+    );
+
+    return tAtan2;
+}
+
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const DimensionedField<scalar, GeoMesh>& dsf,
+    const dimensionedScalar& ds
+)
+{
+    tmp<DimensionedField<scalar, GeoMesh> > tAtan2
+    (
+        new DimensionedField<scalar, GeoMesh>
+        (
+            IOobject
+            (
+                "atan2(" + dsf.name() + ',' + ds.name() + ')',
+                dsf.instance(),
+                dsf.db()
+            ),
+            dsf.mesh(),
+            atan2(dsf.dimensions(), ds)
+        )
+    );
+
+    atan2(tAtan2().field(), dsf.field(), ds.value());
+
+    return tAtan2;
+}
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const tmp<DimensionedField<scalar, GeoMesh> >& tdsf,
+    const dimensionedScalar& ds
+)
+{
+    const DimensionedField<scalar, GeoMesh>& dsf = tdsf();
+
+    tmp<DimensionedField<scalar, GeoMesh> > tAtan2 =
+        reuseTmpDimensionedField<scalar, scalar, GeoMesh>::New
+        (
+            tdsf,
+            "atan2(" + dsf.name() + ',' + ds.name() + ')',
+            atan2(dsf.dimensions(), ds)
+        );
+
+    atan2(tAtan2().field(), dsf.field(), ds.value());
+
+    reuseTmpDimensionedField<scalar, scalar, GeoMesh>::clear(tdsf);
+
+    return tAtan2;
+}
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const DimensionedField<scalar, GeoMesh>& dsf,
+    const scalar& s
+)
+{
+    return atan2(dsf, dimensionedScalar(s));
+}
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const tmp<DimensionedField<scalar, GeoMesh> >& tdsf,
+    const scalar& s
+)
+{
+    return atan2(tdsf, dimensionedScalar(s));
+}
+
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const dimensionedScalar& ds,
+    const DimensionedField<scalar, GeoMesh>& dsf
+)
+{
+    tmp<DimensionedField<scalar, GeoMesh> > tAtan2
+    (
+        new DimensionedField<scalar, GeoMesh>
+        (
+            IOobject
+            (
+                "atan2(" + ds.name() + ',' + dsf.name() + ')',
+                dsf.instance(),
+                dsf.db()
+            ),
+            dsf.mesh(),
+            atan2(ds, dsf.dimensions())
+        )
+    );
+
+    atan2(tAtan2().field(), ds.value(), dsf.field());
+
+    return tAtan2;
+}
+
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const dimensionedScalar& ds,
+    const tmp<DimensionedField<scalar, GeoMesh> >& tdsf
+)
+{
+    const DimensionedField<scalar, GeoMesh>& dsf = tdsf();
+
+    tmp<DimensionedField<scalar, GeoMesh> > tAtan2 =
+        reuseTmpDimensionedField<scalar, scalar, GeoMesh>::New
+        (
+            tdsf,
+            "atan2(" + ds.name() + ',' + dsf.name() + ')',
+            atan2(ds, dsf.dimensions())
+        );
+
+    atan2(tAtan2().field(), ds.value(), dsf.field());
+
+    reuseTmpDimensionedField<scalar, scalar, GeoMesh>::clear(tdsf);
+
+    return tAtan2;
+}
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const scalar& s,
+    const DimensionedField<scalar, GeoMesh>& dsf
+)
+{
+    return atan2(dimensionedScalar(s), dsf);
+}
+
+template<class GeoMesh>
+tmp<DimensionedField<scalar, GeoMesh> > atan2
+(
+    const scalar& s,
+    const tmp<DimensionedField<scalar, GeoMesh> >& tdsf
+)
+{
+    return atan2(dimensionedScalar(s), tdsf);
+}
+
+
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 UNARY_FUNCTION(scalar, scalar, pow3, pow3)
diff --git a/src/OpenFOAM/fields/DimensionedFields/DimensionedScalarField/DimensionedScalarField.H b/src/OpenFOAM/fields/DimensionedFields/DimensionedScalarField/DimensionedScalarField.H
index b6e76631e0..1503c2567b 100644
--- a/src/OpenFOAM/fields/DimensionedFields/DimensionedScalarField/DimensionedScalarField.H
+++ b/src/OpenFOAM/fields/DimensionedFields/DimensionedScalarField/DimensionedScalarField.H
@@ -76,6 +76,9 @@ BINARY_TYPE_OPERATOR_SF(scalar, scalar, scalar, /, '|', divide)
 BINARY_FUNCTION(scalar, scalar, scalar, pow)
 BINARY_TYPE_FUNCTION(scalar, scalar, scalar, pow)
 
+BINARY_FUNCTION(scalar, scalar, scalar, atan2)
+BINARY_TYPE_FUNCTION(scalar, scalar, scalar, atan2)
+
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
diff --git a/src/OpenFOAM/fields/GeometricFields/GeometricScalarField/GeometricScalarField.C b/src/OpenFOAM/fields/GeometricFields/GeometricScalarField/GeometricScalarField.C
index ce78313efb..4c7ee46b89 100644
--- a/src/OpenFOAM/fields/GeometricFields/GeometricScalarField/GeometricScalarField.C
+++ b/src/OpenFOAM/fields/GeometricFields/GeometricScalarField/GeometricScalarField.C
@@ -115,6 +115,7 @@ BINARY_OPERATOR(scalar, scalar, scalar, /, '|', divide)
 
 BINARY_TYPE_OPERATOR_SF(scalar, scalar, scalar, /, '|', divide)
 
+
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 template<template<class> class PatchField, class GeoMesh>
@@ -440,6 +441,315 @@ tmp<GeometricField<scalar, PatchField, GeoMesh> > pow
 }
 
 
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+template<template<class> class PatchField, class GeoMesh>
+void atan2
+(
+    GeometricField<scalar, PatchField, GeoMesh>& Atan2,
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf1,
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf2
+)
+{
+    atan2(Atan2.internalField(), gsf1.internalField(), gsf2.internalField());
+    atan2(Atan2.boundaryField(), gsf1.boundaryField(), gsf2.boundaryField());
+}
+
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf1,
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf2
+)
+{
+    tmp<GeometricField<scalar, PatchField, GeoMesh> > tAtan2
+    (
+        new GeometricField<scalar, PatchField, GeoMesh>
+        (
+            IOobject
+            (
+                "atan2(" + gsf1.name() + ',' + gsf2.name() + ')',
+                gsf1.instance(),
+                gsf1.db(),
+                IOobject::NO_READ,
+                IOobject::NO_WRITE
+            ),
+            gsf1.mesh(),
+            atan2(gsf1.dimensions(), gsf2.dimensions())
+        )
+    );
+
+    atan2(tAtan2(), gsf1, gsf2);
+
+    return tAtan2;
+}
+
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const tmp<GeometricField<scalar, PatchField, GeoMesh> >& tgsf1,
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf2
+)
+{
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf1 = tgsf1();
+
+    tmp<GeometricField<scalar, PatchField, GeoMesh> > tAtan2
+    (
+        reuseTmpGeometricField<scalar, scalar, PatchField, GeoMesh>::New
+        (
+            tgsf1,
+            "atan2(" + gsf1.name() + ',' + gsf2.name() + ')',
+            atan2(gsf1.dimensions(), gsf2.dimensions())
+        )
+    );
+
+    atan2(tAtan2(), gsf1, gsf2);
+
+    reuseTmpGeometricField<scalar, scalar, PatchField, GeoMesh>::clear(tgsf1);
+
+    return tAtan2;
+}
+
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf1,
+    const tmp<GeometricField<scalar, PatchField, GeoMesh> >& tgsf2
+)
+{
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf2 = tgsf2();
+
+    tmp<GeometricField<scalar, PatchField, GeoMesh> > tAtan2
+    (
+        reuseTmpGeometricField<scalar, scalar, PatchField, GeoMesh>::New
+        (
+            tgsf2,
+            "atan2(" + gsf1.name() + ',' + gsf2.name() + ')',
+            atan2( gsf1.dimensions(), gsf2.dimensions())
+        )
+    );
+
+    atan2(tAtan2(), gsf1, gsf2);
+
+    reuseTmpGeometricField<scalar, scalar, PatchField, GeoMesh>::clear(tgsf2);
+
+    return tAtan2;
+}
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const tmp<GeometricField<scalar, PatchField, GeoMesh> >& tgsf1,
+    const tmp<GeometricField<scalar, PatchField, GeoMesh> >& tgsf2
+)
+{
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf1 = tgsf1();
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf2 = tgsf2();
+
+    tmp<GeometricField<scalar, PatchField, GeoMesh> > tAtan2
+    (
+        reuseTmpTmpGeometricField
+            <scalar, scalar, scalar, scalar, PatchField, GeoMesh>::New
+        (
+            tgsf1,
+            tgsf2,
+            "atan2(" + gsf1.name() + ',' + gsf2.name() + ')',
+            atan2(gsf1.dimensions(), gsf2.dimensions())
+        )
+    );
+
+    atan2(tAtan2(), gsf1, gsf2);
+
+    reuseTmpTmpGeometricField
+        <scalar, scalar, scalar, scalar, PatchField, GeoMesh>
+        ::clear(tgsf1, tgsf2);
+
+    return tAtan2;
+}
+
+
+template<template<class> class PatchField, class GeoMesh>
+void atan2
+(
+    GeometricField<scalar, PatchField, GeoMesh>& tAtan2,
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf,
+    const dimensioned<scalar>& ds
+)
+{
+    atan2(tAtan2.internalField(), gsf.internalField(), ds.value());
+    atan2(tAtan2.boundaryField(), gsf.boundaryField(), ds.value());
+}
+
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf,
+    const dimensionedScalar& ds
+)
+{
+    tmp<GeometricField<scalar, PatchField, GeoMesh> > tAtan2
+    (
+        new GeometricField<scalar, PatchField, GeoMesh>
+        (
+            IOobject
+            (
+                "atan2(" + gsf.name() + ',' + ds.name() + ')',
+                gsf.instance(),
+                gsf.db(),
+                IOobject::NO_READ,
+                IOobject::NO_WRITE
+            ),
+            gsf.mesh(),
+            atan2(gsf.dimensions(), ds)
+        )
+    );
+
+    atan2(tAtan2(), gsf, ds);
+
+    return tAtan2;
+}
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const tmp<GeometricField<scalar, PatchField, GeoMesh> >& tgsf,
+    const dimensionedScalar& ds
+)
+{
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf = tgsf();
+
+    tmp<GeometricField<scalar, PatchField, GeoMesh> > tAtan2
+    (
+        reuseTmpGeometricField<scalar, scalar, PatchField, GeoMesh>::New
+        (
+            tgsf,
+            "atan2(" + gsf.name() + ',' + ds.name() + ')',
+            atan2(gsf.dimensions(), ds)
+        )
+    );
+
+    atan2(tAtan2(), gsf, ds);
+
+    reuseTmpGeometricField<scalar, scalar, PatchField, GeoMesh>::clear(tgsf);
+
+    return tAtan2;
+}
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf,
+    const scalar& s
+)
+{
+    return atan2(gsf, dimensionedScalar(s));
+}
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const tmp<GeometricField<scalar, PatchField, GeoMesh> >& tgsf,
+    const scalar& s
+)
+{
+    return atan2(tgsf, dimensionedScalar(s));
+}
+
+
+template<template<class> class PatchField, class GeoMesh>
+void atan2
+(
+    GeometricField<scalar, PatchField, GeoMesh>& tAtan2,
+    const dimensioned<scalar>& ds,
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf
+)
+{
+    atan2(tAtan2.internalField(), ds.value(), gsf.internalField());
+    atan2(tAtan2.boundaryField(), ds.value(), gsf.boundaryField());
+}
+
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const dimensionedScalar& ds,
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf
+)
+{
+    tmp<GeometricField<scalar, PatchField, GeoMesh> > tAtan2
+    (
+        new GeometricField<scalar, PatchField, GeoMesh>
+        (
+            IOobject
+            (
+                "atan2(" + ds.name() + ',' + gsf.name() + ')',
+                gsf.instance(),
+                gsf.db(),
+                IOobject::NO_READ,
+                IOobject::NO_WRITE
+            ),
+            gsf.mesh(),
+            atan2(ds, gsf.dimensions())
+        )
+    );
+
+    atan2(tAtan2(), ds, gsf);
+
+    return tAtan2;
+}
+
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const dimensionedScalar& ds,
+    const tmp<GeometricField<scalar, PatchField, GeoMesh> >& tgsf
+)
+{
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf = tgsf();
+
+    tmp<GeometricField<scalar, PatchField, GeoMesh> > tAtan2
+    (
+        reuseTmpGeometricField<scalar, scalar, PatchField, GeoMesh>::New
+        (
+            tgsf,
+            "atan2(" + ds.name() + ',' + gsf.name() + ')',
+            atan2(ds, gsf.dimensions())
+        )
+    );
+
+    atan2(tAtan2(), ds, gsf);
+
+    reuseTmpGeometricField<scalar, scalar, PatchField, GeoMesh>::clear(tgsf);
+
+    return tAtan2;
+}
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const scalar& s,
+    const GeometricField<scalar, PatchField, GeoMesh>& gsf
+)
+{
+    return atan2(dimensionedScalar(s), gsf);
+}
+
+template<template<class> class PatchField, class GeoMesh>
+tmp<GeometricField<scalar, PatchField, GeoMesh> > atan2
+(
+    const scalar& s,
+    const tmp<GeometricField<scalar, PatchField, GeoMesh> >& tgsf
+)
+{
+    return atan2(dimensionedScalar(s), tgsf);
+}
+
+
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 UNARY_FUNCTION(scalar, scalar, pow3, pow3)
diff --git a/src/OpenFOAM/fields/GeometricFields/GeometricScalarField/GeometricScalarField.H b/src/OpenFOAM/fields/GeometricFields/GeometricScalarField/GeometricScalarField.H
index fd20e171c9..9c41fb1fec 100644
--- a/src/OpenFOAM/fields/GeometricFields/GeometricScalarField/GeometricScalarField.H
+++ b/src/OpenFOAM/fields/GeometricFields/GeometricScalarField/GeometricScalarField.H
@@ -84,6 +84,9 @@ BINARY_TYPE_OPERATOR_SF(scalar, scalar, scalar, /, '|', divide)
 BINARY_FUNCTION(scalar, scalar, scalar, pow)
 BINARY_TYPE_FUNCTION(scalar, scalar, scalar, pow)
 
+BINARY_FUNCTION(scalar, scalar, scalar, atan2)
+BINARY_TYPE_FUNCTION(scalar, scalar, scalar, atan2)
+
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //