IPAL0052448: Too thin viscous layers are constructed

[modules/smesh.git] / src / StdMeshers / StdMeshers_Quadrangle_2D.cxx

diff --git a/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx b/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx
index a0e1d06100ad200146a07855ccbd248ed6c55a01..f720468f7bd3bfce81d71f3dee855186610ac29c 100644 (file)
--- a/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx
+++ b/src/StdMeshers/StdMeshers_Quadrangle_2D.cxx
@@ -648,7 +648,16 @@ bool StdMeshers_Quadrangle_2D::computeQuadDominant(SMESH_Mesh&         aMesh,
           else
           {
             if ( SMDS_MeshFace* face = myHelper->AddFace(a, b, d, c))
+            {
               meshDS->SetMeshElementOnShape(face, geomFaceID);
+              SMESH_ComputeErrorPtr& err = aMesh.GetSubMesh( aFace )->GetComputeError();
+              if ( !err || err->IsOK() || err->myName < COMPERR_WARNING )
+              {
+                err.reset( new SMESH_ComputeError( COMPERR_WARNING,
+                                                   "Bad quality quad created"));
+                err->myBadElements.push_back( face );
+              }
+            }
             --i;
           }
         }
@@ -820,7 +829,16 @@ bool StdMeshers_Quadrangle_2D::computeQuadDominant(SMESH_Mesh&         aMesh,
           else
           {
             if ( SMDS_MeshFace* face = myHelper->AddFace(a, b, d, c))
+            {
               meshDS->SetMeshElementOnShape(face, geomFaceID);
+              SMESH_ComputeErrorPtr& err = aMesh.GetSubMesh( aFace )->GetComputeError();
+              if ( !err || err->IsOK() || err->myName < COMPERR_WARNING )
+              {
+                err.reset( new SMESH_ComputeError( COMPERR_WARNING,
+                                                   "Bad quality quad created"));
+                err->myBadElements.push_back( face );
+              }
+            }
             --i;
           }
         }
@@ -1116,45 +1134,40 @@ FaceQuadStruct::Ptr StdMeshers_Quadrangle_2D::CheckNbEdges(SMESH_Mesh &
     {
       list< TopoDS_Edge > sideEdges;
       TopoDS_Vertex nextSideV = corners[( iSide + 1 - nbUsedDegen ) % corners.size() ];
-      while ( edgeIt != edges.end() &&
-              !nextSideV.IsSame( myHelper->IthVertex( 0, *edgeIt )))
+      bool nextSideVReached = false;
+      do
       {
-        if ( SMESH_Algo::isDegenerated( *edgeIt ) )
+        const TopoDS_Edge& edge = *edgeIt;
+        nextSideVReached = nextSideV.IsSame( myHelper->IthVertex( 1, edge ));
+        if ( SMESH_Algo::isDegenerated( edge ))
         {
-          if ( myNeedSmooth )
-          {
-            ++edgeIt; // no side on the degenerated EDGE
-          }
-          else
+          if ( !myNeedSmooth ) // need to make a side on a degen edge
           {
             if ( sideEdges.empty() )
             {
+              sideEdges.push_back( edge );
               ++nbUsedDegen;
-              sideEdges.push_back( *edgeIt++ ); // a degenerated side
-              break;
+              nextSideVReached = true;
             }
             else
             {
-              break; // do not append a degenerated EDGE to a regular side
+              break;
             }
           }
         }
         else
         {
-          sideEdges.push_back( *edgeIt++ );
+          sideEdges.push_back( edge );
         }
+        ++edgeIt;
       }
+      while ( edgeIt != edges.end() && !nextSideVReached );
+
       if ( !sideEdges.empty() )
       {
-        quad->side.push_back( StdMeshers_FaceSide::New( F, sideEdges, &aMesh, iSide < QUAD_TOP_SIDE,
-                                                        ignoreMediumNodes, myProxyMesh ));
-        ++iSide;
-      }
-      else if ( !SMESH_Algo::isDegenerated( *edgeIt ) && // closed EDGE
-                myHelper->IthVertex( 0, *edgeIt ).IsSame( myHelper->IthVertex( 1, *edgeIt )))
-      {
-        quad->side.push_back( StdMeshers_FaceSide::New( F, *edgeIt++, &aMesh, iSide < QUAD_TOP_SIDE,
-                                                        ignoreMediumNodes, myProxyMesh));
+        quad->side.push_back
+          ( StdMeshers_FaceSide::New( F, sideEdges, &aMesh, iSide < QUAD_TOP_SIDE,
+                                      ignoreMediumNodes, myProxyMesh ));
         ++iSide;
       }
       if ( quad->side.size() == 4 )
@@ -3830,7 +3843,7 @@ void StdMeshers_Quadrangle_2D::updateDegenUV(FaceQuadStruct::Ptr quad)
       uv1.v = uv2.v = 0.5 * ( uv1.v + uv2.v );
     }
 
-  else if ( quad->side.size() == 4 && myQuadType == QUAD_STANDARD)
+  else if ( quad->side.size() == 4 /*&& myQuadType == QUAD_STANDARD*/)
 
     // Set number of nodes on a degenerated side to be same as on an opposite side
     // ----------------------------------------------------------------------------
@@ -4057,8 +4070,9 @@ bool StdMeshers_Quadrangle_2D::check()
       int iPrev = myHelper->WrapIndex( i-1, wire->NbEdges() );
       const TopoDS_Edge& e1 = wire->Edge( iPrev );
       const TopoDS_Edge& e2 = wire->Edge( i );
-      double angle = myHelper->GetAngle( e1, e2, geomFace );
-      if ( maxAngle < angle && angle < 0.9 * M_PI )
+      double angle = myHelper->GetAngle( e1, e2, geomFace, wire->FirstVertex( i ));
+      if (( maxAngle < angle ) &&
+          ( 5.* M_PI/180 < angle && angle < 175.* M_PI/180  ))
       {
         maxAngle = angle;
         iVertex = i;
@@ -4210,7 +4224,7 @@ int StdMeshers_Quadrangle_2D::getCorners(const TopoDS_Face&          theFace,
     TopoDS_Vertex v = helper.IthVertex( 0, *edge );
     if ( !theConsiderMesh || SMESH_Algo::VertexNode( v, helper.GetMeshDS() ))
     {
-      double angle = SMESH_MesherHelper::GetAngle( prevE, *edge, theFace );
+      double angle = SMESH_MesherHelper::GetAngle( prevE, *edge, theFace, v );
       vertexByAngle.insert( make_pair( angle, v ));
       angleByVertex.Bind( v, angle );
     }
@@ -4262,7 +4276,7 @@ int StdMeshers_Quadrangle_2D::getCorners(const TopoDS_Face&          theFace,
   if ( nbCorners == 3 )
     vMap.Add( triaVertex );
   multimap<double, TopoDS_Vertex>::reverse_iterator a2v = vertexByAngle.rbegin();
-  for ( ; a2v != vertexByAngle.rend() && vMap.Extent() < nbCorners; ++a2v )
+  for ( int iC = 0; a2v != vertexByAngle.rend() && iC < nbCorners; ++a2v, ++iC )
     vMap.Add( (*a2v).second );
 
   // check if there are possible variations in choosing corners