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[OpenFOAM-2.0.x.git] / src / dynamicMesh / perfectInterface / perfectInterface.C
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1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
4    \\    /   O peration     |
5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
6      \\/     M anipulation  |
7 -------------------------------------------------------------------------------
8 License
9     This file is part of OpenFOAM.
11     OpenFOAM is free software: you can redistribute it and/or modify it
12     under the terms of the GNU General Public License as published by
13     the Free Software Foundation, either version 3 of the License, or
14     (at your option) any later version.
16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
19     for more details.
21     You should have received a copy of the GNU General Public License
22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
24 Description
25     Best thing is probably to look at attachDetach which does almost exactly
26     the same but for the geometric matching of points and face centres.
28 \*---------------------------------------------------------------------------*/
30 #include "perfectInterface.H"
31 #include "polyTopoChanger.H"
32 #include "polyMesh.H"
33 #include "polyTopoChange.H"
34 #include "addToRunTimeSelectionTable.H"
35 #include "mapPolyMesh.H"
36 #include "matchPoints.H"
37 #include "polyModifyFace.H"
38 #include "polyRemovePoint.H"
39 #include "polyRemoveFace.H"
40 #include "indirectPrimitivePatch.H"
42 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
44 namespace Foam
46     defineTypeNameAndDebug(perfectInterface, 0);
47     addToRunTimeSelectionTable
48     (
49         polyMeshModifier,
50         perfectInterface,
51         dictionary
52     );
56 // Tolerance used as fraction of minimum edge length.
57 const Foam::scalar Foam::perfectInterface::tol_ = 1E-3;
60 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
62 Foam::pointField Foam::perfectInterface::calcFaceCentres
64     const indirectPrimitivePatch& pp
67     const pointField& points = pp.points();
69     pointField ctrs(pp.size());
71     forAll(ctrs, patchFaceI)
72     {
73         ctrs[patchFaceI] = pp[patchFaceI].centre(points);
74     }
76     return ctrs;
80 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
82 // Construct from components
83 Foam::perfectInterface::perfectInterface
85     const word& name,
86     const label index,
87     const polyTopoChanger& mme,
88     const word& faceZoneName,
89     const word& masterPatchName,
90     const word& slavePatchName
93     polyMeshModifier(name, index, mme, true),
94     faceZoneID_(faceZoneName, mme.mesh().faceZones()),
95     masterPatchID_(masterPatchName, mme.mesh().boundaryMesh()),
96     slavePatchID_(slavePatchName, mme.mesh().boundaryMesh())
100 // Construct from dictionary
101 Foam::perfectInterface::perfectInterface
103     const word& name,
104     const dictionary& dict,
105     const label index,
106     const polyTopoChanger& mme
109     polyMeshModifier(name, index, mme, readBool(dict.lookup("active"))),
110     faceZoneID_
111     (
112         dict.lookup("faceZoneName"),
113         mme.mesh().faceZones()
114     ),
115     masterPatchID_
116     (
117         dict.lookup("masterPatchName"),
118         mme.mesh().boundaryMesh()
119     ),
120     slavePatchID_
121     (
122         dict.lookup("slavePatchName"),
123         mme.mesh().boundaryMesh()
124     )
128 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
130 Foam::perfectInterface::~perfectInterface()
134 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
136 bool Foam::perfectInterface::changeTopology() const
138     // If modifier is inactive, skip change
139     if (!active())
140     {
141         if (debug)
142         {
143             Pout<< "bool perfectInterface::changeTopology() const "
144                 << "for object " << name() << " : "
145                 << "Inactive" << endl;
146         }
148         return false;
149     }
150     else
151     {
152         // I want topo change every time step.
153         return true;
154     }
158 void Foam::perfectInterface::setRefinement
160     const indirectPrimitivePatch& pp0,
161     const indirectPrimitivePatch& pp1,
162     polyTopoChange& ref
163 ) const
165     const polyMesh& mesh = topoChanger().mesh();
167     const polyBoundaryMesh& patches = mesh.boundaryMesh();
169     // Some aliases
170     const edgeList& edges0 = pp0.edges();
171     const pointField& pts0 = pp0.localPoints();
172     const pointField& pts1 = pp1.localPoints();
173     const labelList& meshPts0 = pp0.meshPoints();
174     const labelList& meshPts1 = pp1.meshPoints();
177     // Get local dimension as fraction of minimum edge length
179     scalar minLen = GREAT;
181     forAll(edges0, edgeI)
182     {
183         minLen = min(minLen, edges0[edgeI].mag(pts0));
184     }
185     scalar typDim = tol_*minLen;
187     if (debug)
188     {
189         Pout<< "typDim:" << typDim << " edges0:" << edges0.size()
190             << " pts0:" << pts0.size() << " pts1:" << pts1.size()
191             << " pp0:" << pp0.size() << " pp1:" << pp1.size() << endl;
192     }
195     // Determine pointMapping in mesh point labels. Uses geometric
196     // comparison to find correspondence between patch points.
198     labelList renumberPoints(mesh.points().size());
199     forAll(renumberPoints, i)
200     {
201         renumberPoints[i] = i;
202     }
203     {
204         labelList from1To0Points(pts1.size());
206         bool matchOk = matchPoints
207         (
208             pts1,
209             pts0,
210             scalarField(pts1.size(), typDim),   // tolerance
211             true,                               // verbose
212             from1To0Points
213         );
215         if (!matchOk)
216         {
217             FatalErrorIn
218             (
219                 "perfectInterface::setRefinement(polyTopoChange& ref) const"
220             )   << "Points on patch sides do not match to within tolerance "
221                 << typDim << exit(FatalError);
222         }
224         forAll(pts1, i)
225         {
226             renumberPoints[meshPts1[i]] = meshPts0[from1To0Points[i]];
227         }
228     }
232     // Calculate correspondence between patch faces
234     labelList from0To1Faces(pp1.size());
236     bool matchOk = matchPoints
237     (
238         calcFaceCentres(pp0),
239         calcFaceCentres(pp1),
240         scalarField(pp0.size(), typDim),    // tolerance
241         true,                               // verbose
242         from0To1Faces
243     );
245     if (!matchOk)
246     {
247         FatalErrorIn
248         (
249             "perfectInterface::setRefinement(polyTopoChange& ref) const"
250         )   << "Face centres of patch sides do not match to within tolerance "
251             << typDim << exit(FatalError);
252     }
256     // Now
257     // - renumber faces using pts1 (except patch1 faces)
258     // - remove patch1 faces. Remember cell label on owner side.
259     // - modify patch0 faces to be internal.
261     // 1. Get faces to be renumbered
262     labelHashSet affectedFaces(2*pp1.size());
263     forAll(meshPts1, i)
264     {
265         label meshPointI = meshPts1[i];
267         if (meshPointI != renumberPoints[meshPointI])
268         {
269             const labelList& pFaces = mesh.pointFaces()[meshPointI];
271             forAll(pFaces, pFaceI)
272             {
273                 affectedFaces.insert(pFaces[pFaceI]);
274             }
275         }
276     }
277     forAll(pp1, i)
278     {
279         affectedFaces.erase(pp1.addressing()[i]);
280     }
281     // Remove patch0 from renumbered faces. Should not be nessecary since
282     // patch0 and 1 should not share any point (if created by mergeMeshing)
283     // so affectedFaces should not contain any patch0 faces but you can
284     // never be sure what the user is doing.
285     forAll(pp0, i)
286     {
287         label faceI = pp0.addressing()[i];
289         if (affectedFaces.erase(faceI))
290         {
291             WarningIn
292             (
293                 "perfectInterface::setRefinement(polyTopoChange&) const"
294             )   << "Found face " << faceI << " vertices "
295                 << mesh.faces()[faceI] << " whose points are"
296                 << " used both by master patch and slave patch" << endl;
297         }
298     }
301     // 2. Renumber (non patch0/1) faces.
302     forAllConstIter(labelHashSet, affectedFaces, iter)
303     {
304         const label faceI = iter.key();
305         const face& f = mesh.faces()[faceI];
307         face newFace(f.size());
309         forAll(newFace, fp)
310         {
311             newFace[fp] = renumberPoints[f[fp]];
312         }
314         label nbr = -1;
316         label patchI = -1;
318         if (mesh.isInternalFace(faceI))
319         {
320             nbr = mesh.faceNeighbour()[faceI];
321         }
322         else
323         {
324             patchI = patches.whichPatch(faceI);
325         }
327         label zoneID = mesh.faceZones().whichZone(faceI);
329         bool zoneFlip = false;
331         if (zoneID >= 0)
332         {
333             const faceZone& fZone = mesh.faceZones()[zoneID];
335             zoneFlip = fZone.flipMap()[fZone.whichFace(faceI)];
336         }
338         ref.setAction
339         (
340             polyModifyFace
341             (
342                 newFace,                    // modified face
343                 faceI,                      // label of face being modified
344                 mesh.faceOwner()[faceI],    // owner
345                 nbr,                        // neighbour
346                 false,                      // face flip
347                 patchI,                     // patch for face
348                 false,                      // remove from zone
349                 zoneID,                     // zone for face
350                 zoneFlip                    // face flip in zone
351             )
352         );
353     }
356     // 3. Remove patch1 points
357     forAll(meshPts1, i)
358     {
359         label meshPointI = meshPts1[i];
361         if (meshPointI != renumberPoints[meshPointI])
362         {
363             ref.setAction(polyRemovePoint(meshPointI));
364         }
365     }
368     // 4. Remove patch1 faces
369     forAll(pp1, i)
370     {
371         label faceI = pp1.addressing()[i];
372         ref.setAction(polyRemoveFace(faceI));
373     }
376     // 5. Modify patch0 faces for new points (not really nessecary; see
377     // comment above about patch1 and patch0 never sharing points) and
378     // becoming internal.
379     const boolList& mfFlip =
380         mesh.faceZones()[faceZoneID_.index()].flipMap();
382     forAll(pp0, i)
383     {
384         label faceI = pp0.addressing()[i];
386         const face& f = mesh.faces()[faceI];
388         face newFace(f.size());
390         forAll(newFace, fp)
391         {
392             newFace[fp] = renumberPoints[f[fp]];
393         }
395         label own = mesh.faceOwner()[faceI];
397         label pp1FaceI = pp1.addressing()[from0To1Faces[i]];
399         label nbr = mesh.faceOwner()[pp1FaceI];
401         if (own < nbr)
402         {
403             ref.setAction
404             (
405                 polyModifyFace
406                 (
407                     newFace,                // modified face
408                     faceI,                  // label of face being modified
409                     own,                    // owner
410                     nbr,                    // neighbour
411                     false,                  // face flip
412                     -1,                     // patch for face
413                     false,                  // remove from zone
414                     faceZoneID_.index(),    // zone for face
415                     mfFlip[i]               // face flip in zone
416                 )
417             );
418         }
419         else
420         {
421             ref.setAction
422             (
423                 polyModifyFace
424                 (
425                     newFace.reverseFace(),  // modified face
426                     faceI,                  // label of face being modified
427                     nbr,                    // owner
428                     own,                    // neighbour
429                     true,                   // face flip
430                     -1,                     // patch for face
431                     false,                  // remove from zone
432                     faceZoneID_.index(),    // zone for face
433                     !mfFlip[i]              // face flip in zone
434                 )
435             );
436         }
437     }
441 void Foam::perfectInterface::setRefinement(polyTopoChange& ref) const
443     if (debug)
444     {
445         Pout<< "bool perfectInterface::setRefinement(polyTopoChange&) const : "
446             << "for object " << name() << " : "
447             << "masterPatchID_:" << masterPatchID_
448             << " slavePatchID_:" << slavePatchID_
449             << " faceZoneID_:" << faceZoneID_ << endl;
450     }
452     if
453     (
454         masterPatchID_.active()
455      && slavePatchID_.active()
456      && faceZoneID_.active()
457     )
458     {
459         const polyMesh& mesh = topoChanger().mesh();
461         const polyBoundaryMesh& patches = mesh.boundaryMesh();
462         const polyPatch& patch0 = patches[masterPatchID_.index()];
463         const polyPatch& patch1 = patches[slavePatchID_.index()];
466         labelList pp0Labels(identity(patch0.size())+patch0.start());
467         indirectPrimitivePatch pp0
468         (
469             IndirectList<face>(mesh.faces(), pp0Labels),
470             mesh.points()
471         );
473         labelList pp1Labels(identity(patch1.size())+patch1.start());
474         indirectPrimitivePatch pp1
475         (
476             IndirectList<face>(mesh.faces(), pp1Labels),
477             mesh.points()
478         );
480         setRefinement(pp0, pp1, ref);
481     }
485 void Foam::perfectInterface::modifyMotionPoints(pointField& motionPoints) const
487     // Update only my points. Nothing to be done here as points already
488     // shared by now.
492 void Foam::perfectInterface::updateMesh(const mapPolyMesh& morphMap)
494     // Mesh has changed topologically.  Update local topological data
495     const polyMesh& mesh = topoChanger().mesh();
497     faceZoneID_.update(mesh.faceZones());
498     masterPatchID_.update(mesh.boundaryMesh());
499     slavePatchID_.update(mesh.boundaryMesh());
503 void Foam::perfectInterface::write(Ostream& os) const
505     os  << nl << type() << nl
506         << name()<< nl
507         << faceZoneID_.name() << nl
508         << masterPatchID_.name() << nl
509         << slavePatchID_.name() << endl;
513 void Foam::perfectInterface::writeDict(Ostream& os) const
515     os  << nl << name() << nl << token::BEGIN_BLOCK << nl
517         << "    type " << type()
518         << token::END_STATEMENT << nl
520         << "    active " << active()
521         << token::END_STATEMENT << nl
523         << "    faceZoneName " << faceZoneID_.name()
524         << token::END_STATEMENT << nl
526         << "    masterPatchName " << masterPatchID_.name()
527         << token::END_STATEMENT << nl
529         << "    slavePatchName " << slavePatchID_.name()
530         << token::END_STATEMENT << nl
532         << token::END_BLOCK << endl;
536 // * * * * * * * * * * * * * * * Member Operators  * * * * * * * * * * * * * //
539 // * * * * * * * * * * * * * * * Friend Functions  * * * * * * * * * * * * * //
542 // * * * * * * * * * * * * * * * Friend Operators  * * * * * * * * * * * * * //
545 // ************************************************************************* //