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0021543: EDF 1978 SMESH: Viscous layer for 2D meshes

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Fix usage of nodes already shrinked within an adjacent FACE
This commit is contained in:
eap 2012-10-29 09:15:02 +00:00
parent 986cacacdb
commit 61bbd63ee9
1 changed files with 45 additions and 46 deletions
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91
src/StdMeshers/StdMeshers_ViscousLayers2D.cxx
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@ -633,6 +633,8 @@ bool _ViscousBuilder2D::makePolyLines()
{
StdMeshers_FaceSidePtr wire = _faceSideVec[ iWire ];
const vector<UVPtStruct>& points = wire->GetUVPtStruct();
if ( points.empty() && wire->NbPoints() > 0 )
return error("Invalid node parameters on some EDGE");
int iPnt = 0;
for ( int iE = 0; iE < wire->NbEdges(); ++iE )
{
@ -1142,55 +1144,52 @@ bool _ViscousBuilder2D::shrink()
}
else
{
// There are viscous layers on the adjacent FACE;
// look for already shrinked segments on E
const SMESH_ProxyMesh::SubMesh* adjEdgeSM = pm->GetProxySubMesh( E );
if ( adjEdgeSM && adjEdgeSM->NbElements() > 0 )
// There are viscous layers on the adjacent FACE; shrink must be already done;
//
// copy layer nodes
//
const vector<UVPtStruct>& points = L._wire->GetUVPtStruct();
int iPFrom = L._firstPntInd, iPTo = L._lastPntInd;
if ( L._leftLine->_advancable )
{
existingNodesFound = true;
// copy data of moved nodes to my _ProxyMeshOfFace
const UVPtStructVec& adjNodeData = adjEdgeSM->GetUVPtStructVec();
UVPtStructVec nodeDataVec( adjNodeData.size() );
for ( size_t iP = 0, iAdj = adjNodeData.size(); iP < nodeDataVec.size(); ++iP )
{
nodeDataVec[ iP ] = adjNodeData[ --iAdj ];
gp_Pnt2d uv = pcurve->Value( nodeDataVec[ iP ].param );
nodeDataVec[iP].u = uv.X();
nodeDataVec[iP].v = uv.Y();
nodeDataVec[iP].normParam = 1 - nodeDataVec[iP].normParam;
}
_ProxyMeshOfFace::_EdgeSubMesh* myEdgeSM = getProxyMesh()->GetEdgeSubMesh( edgeID );
myEdgeSM->SetUVPtStructVec( nodeDataVec );
// copy layer nodes
map< double, const SMDS_MeshNode* > u2layerNodes;
SMESH_Algo::GetSortedNodesOnEdge( getMeshDS(), E, /*skipMedium=*/true, u2layerNodes );
// u2layerNodes includes nodes on vertices, layer nodes and shrinked nodes
vector< std::pair< double, const SMDS_MeshNode* > > layerUNodes;
layerUNodes.resize( u2layerNodes.size() - 2 ); // skip vertex nodes
map< double, const SMDS_MeshNode* >::iterator u2n = u2layerNodes.begin();
size_t iBeg = 0, iEnd = layerUNodes.size() - 1, *pIndex = edgeReversed ? &iEnd : &iBeg;
for ( ++u2n; iBeg < u2layerNodes.size()-2; ++u2n, ++iBeg, --iEnd ) {
layerUNodes[ *pIndex ] = *u2n;
}
if ( L._leftLine->_advancable && layerUNodes.size() >= _hyp->GetNumberLayers() )
{
vector<gp_XY>& uvVec = L._lEdges.front()._uvRefined;
for ( int i = 0; i < _hyp->GetNumberLayers(); ++i ) {
L._leftNodes.push_back( layerUNodes[i].second );
uvVec.push_back ( pcurve->Value( layerUNodes[i].first ).XY() );
}
}
if ( L._rightLine->_advancable && layerUNodes.size() >= 2*_hyp->GetNumberLayers() )
{
vector<gp_XY>& uvVec = L._lEdges.back()._uvRefined;
for ( int i = 0, j = layerUNodes.size()-1; i < _hyp->GetNumberLayers(); ++i, --j ) {
L._rightNodes.push_back( layerUNodes[j].second );
uvVec.push_back ( pcurve->Value( layerUNodes[j].first ).XY() );
}
vector<gp_XY>& uvVec = L._lEdges.front()._uvRefined;
for ( int i = 0; i < _hyp->GetNumberLayers(); ++i ) {
const UVPtStruct& uvPt = points[ iPFrom + i + 1 ];
L._leftNodes.push_back( uvPt.node );
uvVec.push_back ( pcurve->Value( uvPt.param ).XY() );
}
}
if ( L._rightLine->_advancable )
{
vector<gp_XY>& uvVec = L._lEdges.back()._uvRefined;
for ( int i = 0; i < _hyp->GetNumberLayers(); ++i ) {
const UVPtStruct& uvPt = points[ iPTo - i - 1 ];
L._rightNodes.push_back( uvPt.node );
uvVec.push_back ( pcurve->Value( uvPt.param ).XY() );
}
}
// make proxy sub-mesh data of present nodes
//
if ( L._leftLine->_advancable ) iPFrom += _hyp->GetNumberLayers();
if ( L._rightLine->_advancable ) iPTo -= _hyp->GetNumberLayers();
UVPtStructVec nodeDataVec( & points[ iPFrom ], & points[ iPTo + 1 ]);
double normSize = nodeDataVec.back().normParam - nodeDataVec.front().normParam;
for ( size_t iP = 0; iP < nodeDataVec.size(); ++iP )
nodeDataVec[iP].normParam =
( nodeDataVec[iP].normParam - nodeDataVec[0].normParam ) / normSize;
const SMDS_MeshNode* n = nodeDataVec.front().node;
if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
nodeDataVec.front().param = L._wire->FirstU( L._edgeInd );
n = nodeDataVec.back().node;
if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
nodeDataVec.back().param = L._wire->LastU( L._edgeInd );
_ProxyMeshOfFace::_EdgeSubMesh* myEdgeSM = getProxyMesh()->GetEdgeSubMesh( edgeID );
myEdgeSM->SetUVPtStructVec( nodeDataVec );
existingNodesFound = true;
}
} // loop on FACEs sharing E