Backport orthogonal snGrad scheme from vanilla 3.0.1

src/finiteVolume/Make/files

@@ -365,6 +365,7 @@ $(snGradSchemes)/snGradScheme/snGradSchemes.C
 $(snGradSchemes)/correctedSnGrad/correctedSnGrads.C
 $(snGradSchemes)/limitedSnGrad/limitedSnGrads.C
 $(snGradSchemes)/uncorrectedSnGrad/uncorrectedSnGrads.C
+$(snGradSchemes)/orthogonalSnGrad/orthogonalSnGrads.C
 $(snGradSchemes)/skewCorrectedSnGrad/skewCorrectedSnGrads.C
 $(snGradSchemes)/fourthSnGrad/fourthSnGrads.C
 /*

src/finiteVolume/finiteVolume/snGradSchemes/orthogonalSnGrad/orthogonalSnGrad.C

@@ -0,0 +1,76 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+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/>.
+
+Description
+    Simple central-difference snGrad scheme without non-orthogonal correction.
+
+\*---------------------------------------------------------------------------*/
+
+#include "orthogonalSnGrad.H"
+#include "volFields.H"
+#include "surfaceFields.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace fv
+{
+
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+
+template<class Type>
+orthogonalSnGrad<Type>::~orthogonalSnGrad()
+{}
+
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+template<class Type>
+tmp<GeometricField<Type, fvsPatchField, surfaceMesh> >
+orthogonalSnGrad<Type>::correction
+(
+    const GeometricField<Type, fvPatchField, volMesh>&
+) const
+{
+    notImplemented
+    (
+        "orthogonalSnGrad<Type>::correction"
+        "(const GeometricField<Type, fvPatchField, volMesh>&)"
+    );
+    return tmp<GeometricField<Type, fvsPatchField, surfaceMesh> >(NULL);
+}
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace fv
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// ************************************************************************* //

src/finiteVolume/finiteVolume/snGradSchemes/orthogonalSnGrad/orthogonalSnGrad.H

@@ -0,0 +1,133 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+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/>.
+
+Class
+    Foam::fv::orthogonalSnGrad
+
+Description
+    Simple central-difference snGrad scheme without non-orthogonal correction.
+
+SourceFiles
+    orthogonalSnGrad.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef orthogonalSnGrad_H
+#define orthogonalSnGrad_H
+
+#include "snGradScheme.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace fv
+{
+
+/*---------------------------------------------------------------------------*\
+                 Class orthogonalSnGrad Declaration
+\*---------------------------------------------------------------------------*/
+
+template<class Type>
+class orthogonalSnGrad
+:
+    public snGradScheme<Type>
+{
+    // Private Member Functions
+
+        //- Disallow default bitwise assignment
+        void operator=(const orthogonalSnGrad&);
+
+
+public:
+
+    //- Runtime type information
+    TypeName("orthogonal");
+
+
+    // Constructors
+
+        //- Construct from mesh
+        orthogonalSnGrad(const fvMesh& mesh)
+        :
+            snGradScheme<Type>(mesh)
+        {}
+
+
+        //- Construct from mesh and data stream
+        orthogonalSnGrad(const fvMesh& mesh, Istream&)
+        :
+            snGradScheme<Type>(mesh)
+        {}
+
+
+    //- Destructor
+    virtual ~orthogonalSnGrad();
+
+
+    // Member Functions
+
+        //- Return the interpolation weighting factors for the given field
+        virtual tmp<surfaceScalarField> deltaCoeffs
+        (
+            const GeometricField<Type, fvPatchField, volMesh>&
+        ) const
+        {
+            return this->mesh().deltaCoeffs();
+        }
+
+        //- Return true if this scheme uses an explicit correction
+        virtual bool corrected() const
+        {
+            return false;
+        }
+
+        //- Return the explicit correction to the orthogonalSnGrad
+        //  for the given field
+        virtual tmp<GeometricField<Type, fvsPatchField, surfaceMesh> >
+        correction(const GeometricField<Type, fvPatchField, volMesh>&) const;
+};
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace fv
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#ifdef NoRepository
+#   include "orthogonalSnGrad.C"
+#endif
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //

src/finiteVolume/finiteVolume/snGradSchemes/orthogonalSnGrad/orthogonalSnGrads.C

@@ -0,0 +1,42 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+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/>.
+
+Description
+    Simple central-difference snGrad scheme without non-orthogonal correction.
+
+\*---------------------------------------------------------------------------*/
+
+#include "orthogonalSnGrad.H"
+#include "fvMesh.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace fv
+{
+    makeSnGradScheme(orthogonalSnGrad)
+}
+}
+
+// ************************************************************************* //

tutorials/incompressible/icoFoam/cavity/system/fvSchemes

@@ -33,9 +33,7 @@ divSchemes
 
 laplacianSchemes
 {
-    default         none;
-    laplacian(nu,U) Gauss linear corrected;
-    laplacian((1|A(U)),p) Gauss linear corrected;
+    default         Gauss linear orthogonal;
 }
 
 interpolationSchemes
@@ -46,7 +44,7 @@ interpolationSchemes
 
 snGradSchemes
 {
-    default         corrected;
+    default         orthogonal;
 }
 
 // ************************************************************************* //