src/engine/engineTopoChangerMesh/verticalValves/addAttachDetachFaces.H

   1     const polyPatch& cylinderHead =
   2         boundaryMesh()[boundaryMesh().findPatchID("cylinderHead")];
   3
   4     labelList cylinderHeadFaces(cylinderHead.size());
   5     forAll(cylinderHeadFaces, i)
   6     {
   7         cylinderHeadFaces[i] = cylinderHead.start() + i;
   8     }
   9
  10     forAll(valves(), valveI)
  11     {
  12
  13
  14         if
  15         (
  16             valves_[valveI].detachInCylinderPatchID().active()
  17          && valves_[valveI].detachInPortPatchID().active()
  18         )
  19         {
  20
  21
  22
  23             Info<< "Adding detach boundary for valve "
  24                 << valveI + 1 << endl;
  25
  26             const vectorField& areas = Sf().internalField();
  27
  28             dynamicLabelList df;
  29
  30             {
  31                 label ndf = 0;
  32                 dynamicLabelList headList;
  33                 label nHead = 0;
  34
  35                 const polyPatch& detachPatch =
  36                 boundaryMesh()[valves()[valveI].poppetPatchID().index()];
  37
  38                 forAll(detachPatch.faceCentres(), detachFaceI)
  39                 {
  40                     scalar xFacePatch = detachPatch.faceCentres()[detachFaceI].x();
  41                     scalar yFacePatch = detachPatch.faceCentres()[detachFaceI].y();
  42                     scalar zFacePatch = detachPatch.faceCentres()[detachFaceI].z();
  43
  44                     forAll(faceCentres(),faceI)
  45                     {
  46
  47                         vector n = faceAreas()[faceI]/mag(faceAreas()[faceI]);
  48
  49                         scalar dd = n & vector(0,0,1);
  50
  51                         if (mag(dd) > 0.1)
  52                         {
  53                             scalar xFaceMesh = faceCentres()[faceI].x();
  54                             scalar yFaceMesh = faceCentres()[faceI].y();
  55                             scalar zFaceMesh = faceCentres()[faceI].z();
  56
  57                             if
  58                             (
  59                                 mag(xFaceMesh-xFacePatch) < valves()[valveI].detachTol() &&
  60                                 mag(yFaceMesh-yFacePatch) < valves()[valveI].detachTol() &&
  61                                 mag(zFaceMesh-zFacePatch) <
  62                                 valves()[valveI].detachDistance() + valves()[valveI].detachTol() &&
  63                                 mag(zFaceMesh-zFacePatch) >
  64                                 valves()[valveI].detachDistance() - valves()[valveI].detachTol()  &&
  65                                 (zFaceMesh-zFacePatch) >  SMALL
  66                             )
  67                             {
  68                                 bool isHead = isACylinderHeadFace(cylinderHeadFaces, faceI);
  69
  70                                 if(isHead)
  71                                 {
  72                                     headList.append(faceI);
  73                                     nHead++;
  74                                 }
  75                                 else
  76                                 {
  77                                     df.append(faceI);
  78                                     ndf++;
  79                                 }
  80                             }
  81
  82                         }
  83
  84                     }
  85
  86                 }
  87
  88                 Info << "Found " << ndf << " internal faces and "
  89                 << nHead << " head faces for the valve n. " << valveI + 1 <<  endl ;
  90
  91                 df.setSize(ndf);
  92
  93             }
  94
  95             boolList flip(df.size(), false);
  96
  97             const vector& pistonAxis = piston().cs().axis();
  98
  99             forAll (df, dfI)
 100             {
 101                 if (isInternalFace(df[dfI]))
 102                 {
 103                     if ((areas[df[dfI]] & pistonAxis) > 0)
 104                     {
 105                         flip[dfI] = true;
 106                     }
 107                 }
 108                 else
 109                 {
 110                     FatalErrorIn
 111                     (
 112                         "void engineTopoFvMesh::addZonesAndModifiers()"
 113                     )   << "found boundary face in valve detach definition "
 114                         << "for valve " << valveI + 1
 115                         << ".  This is not allowed.  Detach faces: "
 116                         << df << " nInternalFaces: " << nInternalFaces()
 117                         << abort(FatalError);
 118                 }
 119             }
 120
 121             // Add detach face zone
 122             fz[nFaceZones] =
 123                 new faceZone
 124                 (
 125                     "detachFaceZoneV" + Foam::name(valveI + 1),
 126                     df,
 127                     flip,
 128                     nFaceZones,
 129                     faceZones()
 130                 );
 131             nFaceZones++;
 132         }
 133         else
 134         {
 135             Info << "No valve attach/detach for valve " << valveI + 1 << endl;
 136         }
 137     }