specified direction extrusion mode

applications/utilities/mesh/generation/extrudeMesh/extrudeMesh.C

@@ -138,12 +138,29 @@ label findPatchID(const polyBoundaryMesh& patches, const word& name)
 }
 
 
-labelList patchFaces(const polyBoundaryMesh& patches, const word& name)
+labelList patchFaces(const polyBoundaryMesh& patches, const wordList& names)
 {
-    label patchID = findPatchID(patches, name);
-    const polyPatch& pp = patches[patchID];
+    label n = 0;
 
-    return identity(pp.size()) + pp.start();
+    forAll(names, i)
+    {
+        const polyPatch& pp = patches[findPatchID(patches, names[i])];
+
+        n += pp.size();
+    }
+    labelList faceLabels(n);
+    n = 0;
+    forAll(names, i)
+    {
+        const polyPatch& pp = patches[findPatchID(patches, names[i])];
+
+        forAll(pp, j)
+        {
+            faceLabels[n++] = pp.start()+j;
+        }
+    }
+
+    return faceLabels;
 }
 
 
@@ -242,9 +259,15 @@ int main(int argc, char *argv[])
         sourceCasePath.expand();
         fileName sourceRootDir = sourceCasePath.path();
         fileName sourceCaseDir = sourceCasePath.name();
-        dict.lookup("sourcePatch") >> frontPatchName;
+        wordList sourcePatches;
+        dict.lookup("sourcePatches") >> sourcePatches;
 
-        Info<< "Extruding patch " << frontPatchName
+        if (sourcePatches.size() == 1)
+        {
+            frontPatchName = sourcePatches[0];
+        }
+
+        Info<< "Extruding patches " << sourcePatches
             << " on mesh " << sourceCasePath << nl
             << endl;
 
@@ -279,7 +302,7 @@ int main(int argc, char *argv[])
             IndirectList<face>
             (
                 mesh.faces(),
-                patchFaces(patches, frontPatchName)
+                patchFaces(patches, sourcePatches)
             ),
             mesh.points()
         );
@@ -478,13 +501,13 @@ int main(int argc, char *argv[])
         frontPatchFaces = patchFaces
         (
             meshFromSurface().boundaryMesh(),
-            frontPatchName
+            wordList(1, frontPatchName)
         );
         backPatchName = "otherSide";
         backPatchFaces = patchFaces
         (
             meshFromSurface().boundaryMesh(),
-            backPatchName
+            wordList(1, backPatchName)
         );
     }
 

applications/utilities/mesh/generation/extrudeMesh/extrudeModel/Make/files

@@ -1,6 +1,7 @@
 extrudeModel/extrudeModel.C
 extrudeModel/newExtrudeModel.C
 linearNormal/linearNormal.C
+linearDirection/linearDirection.C
 linearRadial/linearRadial.C
 sigmaRadial/sigmaRadial.C
 wedge/wedge.C

applications/utilities/mesh/generation/extrudeMesh/extrudeModel/linearDirection/linearDirection.C

@@ -0,0 +1,90 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
+     \\/     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 2 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, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+\*---------------------------------------------------------------------------*/
+
+#include "linearDirection.H"
+#include "addToRunTimeSelectionTable.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace extrudeModels
+{
+
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
+
+defineTypeNameAndDebug(linearDirection, 0);
+
+addToRunTimeSelectionTable(extrudeModel, linearDirection, dictionary);
+
+
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+linearDirection::linearDirection(const dictionary& dict)
+:
+    extrudeModel(typeName, dict),
+    direction_(coeffDict_.lookup("direction")),
+    thickness_(readScalar(coeffDict_.lookup("thickness")))
+{
+    direction_ /= mag(direction_);
+
+    if (thickness_ <= 0)
+    {
+        FatalErrorIn("linearDirection(const dictionary&)")
+            << "thickness should be positive : " << thickness_
+            << exit(FatalError);
+    }
+}
+
+
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+
+linearDirection::~linearDirection()
+{}
+
+
+// * * * * * * * * * * * * * * * * Operators * * * * * * * * * * * * * * * * //
+
+point linearDirection::operator()
+(
+    const point& surfacePoint,
+    const vector& surfaceNormal,
+    const label layer
+) const
+{
+    //scalar d = thickness_*layer/nLayers_;
+    scalar d = thickness_*sumThickness(layer);
+    return surfacePoint + d*direction_;
+}
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace extrudeModels
+} // End namespace Foam
+
+// ************************************************************************* //
+

applications/utilities/mesh/generation/extrudeMesh/extrudeModel/linearDirection/linearDirection.H

@@ -0,0 +1,99 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
+     \\/     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 2 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, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Class
+    Foam::extrudeModels::linearDirection
+
+Description
+    Extrudes by transforming points in a specified direction by a given distance
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef linearDirection_H
+#define linearDirection_H
+
+#include "point.H"
+#include "extrudeModel.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+namespace extrudeModels
+{
+
+/*---------------------------------------------------------------------------*\
+                    Class linearDirection Declaration
+\*---------------------------------------------------------------------------*/
+
+class linearDirection
+:
+    public extrudeModel
+{
+    // Private data
+
+        //- Extrude direction
+        vector direction_;
+
+        //- layer thickness
+        scalar thickness_;
+
+
+public:
+
+    //- Runtime type information
+    TypeName("linearDirection");
+
+    // Constructors
+
+        //- Construct from dictionary
+        linearDirection(const dictionary& dict);
+
+
+    //- Destructor
+    ~linearDirection();
+
+
+    // Member Operators
+
+        point operator()
+        (
+            const point& surfacePoint,
+            const vector& surfaceNormal,
+            const label layer
+        ) const;
+};
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace extrudeModels
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //
+

applications/utilities/mesh/generation/extrudeMesh/extrudeProperties

@@ -25,7 +25,7 @@ constructFrom patch;
 
 // If construct from patch/mesh:
 sourceCase "../cavity";
-sourcePatch movingWall;
+sourcePatches (movingWall);
 // If construct from patch: patch to use for back (can be same as sourcePatch)
 exposedPatchName movingWall;
 // If construct from surface:
@@ -41,6 +41,9 @@ flipNormals false;
 //- Linear extrusion in point-normal direction
 //extrudeModel        linearNormal;
 
+//- Linear extrusion in specified direction
+//extrudeModel        linearDirection;
+
 //- Wedge extrusion. If nLayers is 1 assumes symmetry around plane.
 extrudeModel        wedge;
 
@@ -66,6 +69,11 @@ linearNormalCoeffs
     thickness       0.05;
 }
 
+linearDirectionCoeffs
+{
+    direction       (0 0 1);
+}
+
 linearRadialCoeffs
 {
      R              0.1;