meshSurfaceOptimizer Class Reference

Collaboration diagram for meshSurfaceOptimizer:

Public Member Functions
	meshSurfaceOptimizer (const meshSurfaceEngine &)
	Construct from mesh surface. More...
	meshSurfaceOptimizer (const meshSurfacePartitioner &)
	Construct from partitioner. More...
	meshSurfaceOptimizer (const meshSurfaceEngine &, const meshOctree &)
	Construct from mesh surface and octree. More...
	meshSurfaceOptimizer (const meshSurfacePartitioner &, const meshOctree &)
	Construct from partitioner and octree. More...
	~meshSurfaceOptimizer ()
template<class labelListType >
void	lockBoundaryFaces (const labelListType &)
	lock the boundary faces which shall not be modified More...
template<class labelListType >
void	lockBoundaryPoints (const labelListType &)
	lock boundary points. They are not be moved. More...
void	lockFeatureEdges ()
	lock edge points More...
void	removeUserConstraints ()
	reset to default constraints More...
void	enforceConstraints (const word subsetName="badPoints")
bool	untangleSurface (const labelLongList &activeBoundaryPoints, const label nAdditionalLayers=0)
	runs a surface smoother on the selected boundary points More...
bool	untangleSurface (const label nAdditionalLayers=2)
void	optimizeSurface (const label nIterations=5)
	optimize boundary nodes after boundary regions are created More...
void	optimizeSurface2D (const label nIterations=5)
	optimize the surface of a 2D mesh More...
void	untangleSurface2D ()
	untangle the surface of a 2D mesh More...

Private Types
enum	vertexTypes {   PARTITION = 1, EDGE = 2, CORNER = 4, PROCBND = 8,   LOCKED = 16 }

Private Member Functions
void	classifySurfaceVertices ()
	classify surface vertices as PARTITION, EDGE, CORNER More...
void	calculateTrianglesAndAddressing () const
	calculate surface triangulation More...
const partTriMesh &	triMesh () const
void	updateTriMesh (const labelLongList &)
void	updateTriMesh ()
label	findInvertedVertices (boolList &smoothVertex, const label nAdditionalLayers=2) const
bool	transformIntoPlane (const label bpI, const plane &pl, vector &vecX, vector &vecY, DynList< point > &pts, DynList< triFace > &trias) const
	transform into a 2D space in plane More...
point	newPositionLaplacian (const label bpI, const bool transformIntoPlane=true) const
point	newPositionLaplacianFC (const label bpI, const bool transformIntoPlane=true) const
point	newPositionLaplacianWFC (const label bpI, const bool transformIntoPlane=true) const
point	newPositionSurfaceOptimizer (const label bpI, const scalar tol=0.001) const
	new position of a node after using surfaceOptimizer More...
point	newEdgePositionLaplacian (const label bpI) const
void	nodeDisplacementLaplacian (const label bpI, const bool transformIntoPlane=true) const
void	nodeDisplacementLaplacianFC (const label bpI, const bool transformIntoPlane=true) const
void	nodeDisplacementSurfaceOptimizer (const label bpI, const scalar tol=1.0)
	smooth the node using surface optimizer More...
void	edgeNodeDisplacement (const label bpI) const
	smooth edge node More...
void	smoothEdgePoints (const labelLongList &edgePoints, const labelLongList &procEdgePoints)
	smooth selected edge points More...
void	smoothLaplacianFC (const labelLongList &selectedPoints, const labelLongList &selectedProcPoints, const bool transform=true)
	smooth selected points using laplaceFC More...
void	smoothSurfaceOptimizer (const labelLongList &selectedPoints, const labelLongList &selectedProcPoints)
	smooth selected points using surface optimizer More...
void	exchangeData (const labelLongList &nodesToSmooth, std::map< label, DynList< parTriFace > > &m) const
	transfer data between processors More...
void	nodeDisplacementLaplacianParallel (const labelLongList &nodesToSmooth, const bool transformIntoPlane=true)
void	nodeDisplacementLaplacianFCParallel (const labelLongList &nodesToSmooth, const bool transformIntoPlane=true)
	laplacian smoothing of points at processor boundaries More...
void	edgeNodeDisplacementParallel (const labelLongList &nodesToSmooth)
	smooth edge nodes at processor boundaries More...
	meshSurfaceOptimizer (const meshSurfaceOptimizer &)
	Disallow default bitwise copy construct. More...
void	operator= (const meshSurfaceOptimizer &)
	Disallow default bitwise assignment. More...

Private Attributes
const meshSurfaceEngine &	surfaceEngine_
	const reference to the mesh surface More...
List< direction >	vertexType_
	type of surface vertex More...
labelLongList	lockedSurfaceFaces_
	locked faces which shall not be changed More...
const meshSurfacePartitioner *	partitionerPtr_
	surface partitioner More...
const bool	deletePartitioner_
const meshOctree *	octreePtr_
	pointer to mesh octree More...
partTriMesh *	triMeshPtr_
	mesh of surface triangles needed for some smoothers More...
bool	enforceConstraints_
	enforce constraints More...
word	badPointsSubsetName_
	name of the subset contaning tangled points More...

Detailed Description

Definition at line 63 of file meshSurfaceOptimizer.H.

Member Enumeration Documentation

vertexTypes

enum vertexTypes

private

Enumerator
PARTITION
EDGE
CORNER
PROCBND
LOCKED

Definition at line 242 of file meshSurfaceOptimizer.H.

Constructor & Destructor Documentation

meshSurfaceOptimizer() [1/5]

meshSurfaceOptimizer ( const meshSurfaceOptimizer &  )

private

Disallow default bitwise copy construct.

meshSurfaceOptimizer() [2/5]

meshSurfaceOptimizer

(

const meshSurfaceEngine &

surface

)

Construct from mesh surface.

Definition at line 77 of file meshSurfaceOptimizer.C.

References meshSurfaceOptimizer::classifySurfaceVertices().

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meshSurfaceOptimizer() [3/5]

meshSurfaceOptimizer

(

const meshSurfacePartitioner &

mPart

)

Construct from partitioner.

Definition at line 91 of file meshSurfaceOptimizer.C.

References meshSurfaceOptimizer::classifySurfaceVertices().

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meshSurfaceOptimizer() [4/5]

meshSurfaceOptimizer	(	const meshSurfaceEngine &	surface,
		const meshOctree &	octree
	)

Construct from mesh surface and octree.

Definition at line 106 of file meshSurfaceOptimizer.C.

meshSurfaceOptimizer() [5/5]

meshSurfaceOptimizer	(	const meshSurfacePartitioner &	partitioner,
		const meshOctree &	octree
	)

Construct from partitioner and octree.

Definition at line 124 of file meshSurfaceOptimizer.C.

~meshSurfaceOptimizer()

~meshSurfaceOptimizer

(

)

Definition at line 143 of file meshSurfaceOptimizer.C.

References Foam::deleteDemandDrivenData(), meshSurfaceOptimizer::deletePartitioner_, meshSurfaceOptimizer::partitionerPtr_, and meshSurfaceOptimizer::triMeshPtr_.

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Member Function Documentation

classifySurfaceVertices()

void classifySurfaceVertices ( )

private

classify surface vertices as PARTITION, EDGE, CORNER

set all vertices to partition

set corners

set edges

mark nodes at parallel boundaries

Definition at line 44 of file meshSurfaceOptimizer.C.

References meshSurfaceOptimizer::CORNER, meshSurfacePartitioner::corners(), meshSurfaceOptimizer::EDGE, meshSurfacePartitioner::edgePoints(), forAllConstIter(), meshSurfaceEngine::globalToLocalBndPointAddressing(), UPstream::parRun(), meshSurfaceOptimizer::PARTITION, meshSurfaceOptimizer::partitionerPtr_, meshSurfaceOptimizer::PROCBND, meshSurfaceOptimizer::surfaceEngine_, and meshSurfaceOptimizer::vertexType_.

Referenced by meshSurfaceOptimizer::meshSurfaceOptimizer().

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calculateTrianglesAndAddressing()

void calculateTrianglesAndAddressing ( ) const

private

calculate surface triangulation

Definition at line 47 of file meshSurfaceOptimizerCalculateTrianglesAndAddressing.C.

References Foam::abort(), triSurfModifier::facetsAccess(), Foam::FatalError, FatalErrorIn, forAll, partTriMesh::meshSurfacePointLabelInTriMesh(), meshSurfaceOptimizer::partitionerPtr_, triSurfModifier::patchesAccess(), triSurfModifier::pointsAccess(), partTriMeshSimplex::pts(), Foam::help::scalarToText(), LongList< T, Offset >::setSize(), List::setSize(), partTriMeshSimplex::triangles(), meshSurfaceOptimizer::triMeshPtr_, and triSurf::writeSurface().

Referenced by meshSurfaceOptimizer::triMesh().

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triMesh()

const partTriMesh & triMesh ( ) const

inlineprivate

Definition at line 51 of file meshSurfaceOptimizerI.H.

References meshSurfaceOptimizer::calculateTrianglesAndAddressing(), and meshSurfaceOptimizer::triMeshPtr_.

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updateTriMesh() [1/2]

void updateTriMesh ( const labelLongList &  selPoints )

inlineprivate

Definition at line 59 of file meshSurfaceOptimizerI.H.

References Foam::abort(), Foam::FatalError, FatalErrorIn, meshSurfaceOptimizer::triMeshPtr_, and partTriMesh::updateVertices().

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updateTriMesh() [2/2]

void updateTriMesh ( )

inlineprivate

Definition at line 71 of file meshSurfaceOptimizerI.H.

References Foam::abort(), Foam::FatalError, FatalErrorIn, meshSurfaceOptimizer::triMeshPtr_, and partTriMesh::updateVertices().

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findInvertedVertices()

label findInvertedVertices ( boolList &  smoothVertex, const label  nAdditionalLayers = 2  ) const

private

find vertices which are inverted mark additional layers of vertices near the inverted ones

check the vertices at the surface mark the ones where the mesh is tangled

add additional layers around inverted points

exchange global labels of inverted points

exchange data with other processors

Definition at line 60 of file meshSurfaceOptimizerOptimizeSurface.C.

References Foam::endl(), Foam::help::exchangeMap(), forAll, forAllConstIter(), forAllRow, HashTable::found(), Foam::Info, meshSurfaceCheckInvertedVertices::invertedVertices(), UPstream::myProcNo(), UPstream::parRun(), Foam::reduce(), List::setSize(), and List::size().

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transformIntoPlane()

bool transformIntoPlane ( const label  bpI, const plane &  pl, vector &  vecX, vector &  vecY, DynList< point > &  pts, DynList< triFace > &  trias  ) const

inlineprivate

transform into a 2D space in plane

create vecX and vecY

transform the vertices

Definition at line 83 of file meshSurfaceOptimizerI.H.

References partTriMeshSimplex::centrePoint(), Foam::endl(), triSurfModifier::facetsAccess(), forAll, found, Foam::Info, Foam::mag(), partTriMesh::meshSurfacePointLabelInTriMesh(), plane::nearestPoint(), plane::normal(), p, triSurfModifier::patchesAccess(), triSurfModifier::pointsAccess(), Foam::Pout, partTriMeshSimplex::pts(), Foam::help::scalarToText(), LongList< T, Offset >::setSize(), DynList< T, staticSize >::setSize(), List::setSize(), DynList< T, staticSize >::size(), tf, partTriMeshSimplex::triangles(), and triSurf::writeSurface().

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newPositionLaplacian()

point newPositionLaplacian ( const label  bpI, const bool  transformIntoPlane = true  ) const

inlineprivate

new position of a node after laplacian smoothing the position is the average of neighbouring vertex positions

Definition at line 187 of file meshSurfaceOptimizerI.H.

References forAll, forAllRow, Foam::magSqr(), plane::nearestPoint(), points, DynList< T, staticSize >::setSize(), DynList< T, staticSize >::size(), VRWGraph::sizeOfRow(), and Vector< scalar >::zero.

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newPositionLaplacianFC()

point newPositionLaplacianFC ( const label  bpI, const bool  transformIntoPlane = true  ) const

inlineprivate

new position of a node after laplacian smoothing the position is the average of neighbouring face centres

Definition at line 232 of file meshSurfaceOptimizerI.H.

References forAll, forAllRow, Foam::magSqr(), plane::nearestPoint(), points, DynList< T, staticSize >::setSize(), DynList< T, staticSize >::size(), VRWGraph::sizeOfRow(), and Vector< scalar >::zero.

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newPositionLaplacianWFC()

point newPositionLaplacianWFC ( const label  bpI, const bool  transformIntoPlane = true  ) const

inlineprivate

new position of a node after laplacian smoothing the position is the weighted average of neighbouring face centres the weights are the magnitudes of neighbouring face area vectors

Definition at line 279 of file meshSurfaceOptimizerI.H.

References forAll, forAllRow, Foam::magSqr(), Foam::max(), plane::nearestPoint(), points, DynList< T, staticSize >::setSize(), VRWGraph::sizeOfRow(), w(), and Vector< scalar >::zero.

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newPositionSurfaceOptimizer()

point newPositionSurfaceOptimizer ( const label  bpI, const scalar  tol = 0.001  ) const

inlineprivate

new position of a node after using surfaceOptimizer

project vertices onto the plane

Definition at line 339 of file meshSurfaceOptimizerI.H.

References Foam::endl(), Foam::help::isinf(), Foam::help::isnan(), Foam::magSqr(), surfaceOptimizer::optimizePoint(), points, Foam::Pout, success, WarningIn, Vector< Cmpt >::x(), and Vector< Cmpt >::y().

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newEdgePositionLaplacian()

point newEdgePositionLaplacian ( const label  bpI ) const

inlineprivate

new position of edge vertex the position is the average of neighbouring edge vertices

Definition at line 398 of file meshSurfaceOptimizerI.H.

References DynList< T, staticSize >::append(), Foam::endl(), forAll, forAllRow, HashTable::found(), Foam::Info, points, Foam::pos(), DynList< T, staticSize >::size(), and Vector< scalar >::zero.

Referenced by meshSurfaceOptimizer::edgeNodeDisplacement().

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nodeDisplacementLaplacian()

void nodeDisplacementLaplacian ( const label  bpI, const bool  transformIntoPlane = true  ) const

private

smooth the node using the laplacian smoother new position is the average of the neighbouring vertices

Definition at line 46 of file meshSurfaceOptimizerOptimizePoint.C.

References meshSurfaceEngineModifier::moveBoundaryVertex().

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nodeDisplacementLaplacianFC()

void nodeDisplacementLaplacianFC ( const label  bpI, const bool  transformIntoPlane = true  ) const

private

smooth the node using the laplacian smoother new position is the average of the centres of faces attached to the vertex

Definition at line 61 of file meshSurfaceOptimizerOptimizePoint.C.

References meshSurfaceEngineModifier::moveBoundaryVertex().

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nodeDisplacementSurfaceOptimizer()

void nodeDisplacementSurfaceOptimizer ( const label  bpI, const scalar  tol = 1.0  )

private

smooth the node using surface optimizer

project vertices onto the plane

Definition at line 76 of file meshSurfaceOptimizerOptimizePoint.C.

References Foam::endl(), Foam::Info, Foam::magSqr(), meshSurfaceEngineModifier::moveBoundaryVertex(), surfaceOptimizer::optimizePoint(), points, Foam::Warning, Vector< Cmpt >::x(), and Vector< Cmpt >::y().

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edgeNodeDisplacement()

void edgeNodeDisplacement ( const label  bpI ) const

private

smooth edge node

Definition at line 123 of file meshSurfaceOptimizerOptimizePoint.C.

References meshSurfaceEngine::boundaryPoints(), Foam::endl(), Foam::Info, meshSurfaceOptimizer::LOCKED, meshSurfaceEngineModifier::moveBoundaryVertex(), meshSurfaceOptimizer::newEdgePositionLaplacian(), points, meshSurfaceEngine::points(), Foam::pos(), meshSurfaceOptimizer::surfaceEngine_, and meshSurfaceOptimizer::vertexType_.

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smoothEdgePoints()

void smoothEdgePoints ( const labelLongList &  edgePoints, const labelLongList &  procEdgePoints  )

private

smooth selected edge points

smooth edge vertices

Definition at line 159 of file meshSurfaceOptimizerOptimizeSurface.C.

References LongList< T, Offset >::append(), coordinates(), forAll, meshSurfaceEngineModifier::moveBoundaryVertexNoUpdate(), UPstream::parRun(), List::setSize(), and meshSurfaceEngineModifier::updateGeometry().

Referenced by meshSurfaceOptimizer::optimizeSurface(), meshSurfaceOptimizer::optimizeSurface2D(), and meshSurfaceOptimizer::untangleSurface2D().

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smoothLaplacianFC()

void smoothLaplacianFC ( const labelLongList &  selectedPoints, const labelLongList &  selectedProcPoints, const bool  transform = true  )

private

smooth selected points using laplaceFC

Definition at line 215 of file meshSurfaceOptimizerOptimizeSurface.C.

References LongList< T, Offset >::append(), coordinates(), forAll, meshSurfaceEngineModifier::moveBoundaryVertexNoUpdate(), UPstream::parRun(), List::setSize(), Foam::transform(), and meshSurfaceEngineModifier::updateGeometry().

Referenced by meshSurfaceOptimizer::optimizeSurface().

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smoothSurfaceOptimizer()

void smoothSurfaceOptimizer ( const labelLongList &  selectedPoints, const labelLongList &  selectedProcPoints  )

private

smooth selected points using surface optimizer

create partTriMesh is it is not yet present

update coordinates of the triangulation

ensure that vertices at inter-processor boundaries are at the same location at all processors

update geometry addressing for moved points

Definition at line 283 of file meshSurfaceOptimizerOptimizeSurface.C.

References forAll, meshSurfaceEngineModifier::moveBoundaryVertexNoUpdate(), LongList< T, Offset >::size(), meshSurfaceEngineModifier::syncVerticesAtParallelBoundaries(), and meshSurfaceEngineModifier::updateGeometry().

Referenced by meshSurfaceOptimizer::optimizeSurface(), meshSurfaceOptimizer::optimizeSurface2D(), and meshSurfaceOptimizer::untangleSurface2D().

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exchangeData()

void exchangeData ( const labelLongList &  nodesToSmooth, std::map< label, DynList< parTriFace > > &  m  ) const

private

transfer data between processors

Definition at line 427 of file meshSurfaceOptimizerOptimizePointParallel.C.

Referenced by meshSurfaceOptimizer::lockBoundaryFaces(), meshSurfaceOptimizer::lockBoundaryPoints(), and meshSurfaceOptimizer::untangleSurface2D().

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nodeDisplacementLaplacianParallel()

void nodeDisplacementLaplacianParallel ( const labelLongList &  nodesToSmooth, const bool  transformIntoPlane = true  )

private

laplacian smoothing of points at processor boundaries new position is the average of the neighbouring vertices

create storage for data

exchange data with other processors

perform smoothing

project points onto the plane

add data to the list which will be sent to other processor

exchange data with other processors

create new point position

Definition at line 47 of file meshSurfaceOptimizerOptimizePointParallel.C.

References LongList< T, Offset >::append(), VRWGraph::contains(), labelledPoint::coordinates(), Foam::help::exchangeMap(), forAll, forAllRow, refLabelledPoint::lPoint(), Foam::magSqr(), meshSurfaceEngineModifier::moveBoundaryVertexNoUpdate(), UPstream::myProcNo(), plane::nearestPoint(), UPstream::nProcs(), refLabelledPoint::objectLabel(), p, pMin(), labelledPoint::pointLabel(), points, Foam::returnReduce(), LongList< T, Offset >::size(), VRWGraph::sizeOfRow(), and Vector< scalar >::zero.

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nodeDisplacementLaplacianFCParallel()

void nodeDisplacementLaplacianFCParallel ( const labelLongList &  nodesToSmooth, const bool  transformIntoPlane = true  )

private

laplacian smoothing of points at processor boundaries

create storage for data

exchange data with other processors

perform smoothing

project points onto the plane

add data to the list which will be sent to other processor

exchange data with other processors

create new point position

Definition at line 167 of file meshSurfaceOptimizerOptimizePointParallel.C.

References LongList< T, Offset >::append(), labelledPoint::coordinates(), Foam::help::exchangeMap(), forAll, forAllRow, refLabelledPoint::lPoint(), Foam::magSqr(), meshSurfaceEngineModifier::moveBoundaryVertexNoUpdate(), UPstream::myProcNo(), plane::nearestPoint(), refLabelledPoint::objectLabel(), p, pFaces, labelledPoint::pointLabel(), points, Foam::returnReduce(), LongList< T, Offset >::size(), and Vector< scalar >::zero.

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edgeNodeDisplacementParallel()

void edgeNodeDisplacementParallel ( const labelLongList &  nodesToSmooth )

private

smooth edge nodes at processor boundaries

insert labels into the map

add local edge points

start preparing data which can be exchanged with other processors

exchange data with other processors

Finally, the data is ready to start smoothing

Definition at line 289 of file meshSurfaceOptimizerOptimizePointParallel.C.

References LongList< T, Offset >::append(), DynList< T, staticSize >::append(), DynList< T, staticSize >::appendIfNotIn(), Foam::e, Foam::help::exchangeMap(), forAll, forAllRow, meshSurfaceEngineModifier::moveBoundaryVertexNoUpdate(), UPstream::myProcNo(), refLabelledPoint::objectLabel(), points, LongList< T, Offset >::size(), DynList< T, staticSize >::size(), and Vector< scalar >::zero.

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operator=()

void operator= ( const meshSurfaceOptimizer &  )

private

Disallow default bitwise assignment.

lockBoundaryFaces()

void lockBoundaryFaces ( const labelListType &  l )

inline

lock the boundary faces which shall not be modified

prepare data which will be sent to other processors

Definition at line 441 of file meshSurfaceOptimizerI.H.

References meshSurfaceEngine::boundaryFaces(), meshSurfaceEngine::bp(), meshSurfaceEngine::bpAtProcs(), meshSurfaceEngine::bpNeiProcs(), meshSurfaceOptimizer::exchangeData(), Foam::help::exchangeMap(), forAll, forAllConstIter(), forAllRow, meshSurfaceEngine::globalToLocalBndPointAddressing(), meshSurfaceOptimizer::LOCKED, meshSurfaceOptimizer::lockedSurfaceFaces_, UPstream::myProcNo(), UPstream::parRun(), meshSurfaceOptimizer::surfaceEngine_, and meshSurfaceOptimizer::vertexType_.

Referenced by boundaryLayerOptimisation::optimiseLayer().

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lockBoundaryPoints()

void lockBoundaryPoints ( const labelListType &  l )

inline

lock boundary points. They are not be moved.

prepare data which will be sent to other processors

Definition at line 502 of file meshSurfaceOptimizerI.H.

References meshSurfaceEngine::bpAtProcs(), meshSurfaceEngine::bpNeiProcs(), meshSurfaceOptimizer::exchangeData(), Foam::help::exchangeMap(), forAll, forAllConstIter(), forAllRow, meshSurfaceEngine::globalToLocalBndPointAddressing(), meshSurfaceOptimizer::LOCKED, UPstream::myProcNo(), UPstream::parRun(), meshSurfaceOptimizer::surfaceEngine_, and meshSurfaceOptimizer::vertexType_.

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lockFeatureEdges()

void lockFeatureEdges ( )

inline

lock edge points

Definition at line 557 of file meshSurfaceOptimizerI.H.

References meshSurfaceOptimizer::CORNER, meshSurfaceOptimizer::EDGE, forAll, meshSurfaceOptimizer::LOCKED, and meshSurfaceOptimizer::vertexType_.

Referenced by boundaryLayerOptimisation::optimiseLayer().

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removeUserConstraints()

void removeUserConstraints

(

)

reset to default constraints

Definition at line 153 of file meshSurfaceOptimizer.C.

References forAll, meshSurfaceOptimizer::LOCKED, and meshSurfaceOptimizer::vertexType_.

enforceConstraints()

void enforceConstraints

(

const word

subsetName = "badPoints"

)

Flag stopping the meshing process if it is not possible to untangle the surface without sacrificing geometry constraints Points which must be moved away from the required position are stored into a point subset

Definition at line 163 of file meshSurfaceOptimizer.C.

References meshSurfaceOptimizer::badPointsSubsetName_, and meshSurfaceOptimizer::enforceConstraints_.

Referenced by voronoiMeshGenerator::optimiseFinalMesh(), and cartesianMeshGenerator::optimiseFinalMesh().

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untangleSurface() [1/2]

bool untangleSurface	(	const labelLongList &	activeBoundaryPoints,
		const label	nAdditionalLayers = 0
	)

runs a surface smoother on the selected boundary points

find the min number of inverted points and add the last number to the stack

count the number of iteration after the last minimum occurence

update the stack

check if the number of inverted points reduces

stop if the procedure does not minimise the number of inverted points

find points which will be handled by the smoothers

smooth edge vertices

use laplacian smoothing

use surface optimizer

update normals and other geometric data

use the combination with the minimum number of inverted points

update normals and other geometric data

the procedure has given up without success there exist some remaining inverted faces in the mesh

Definition at line 327 of file meshSurfaceOptimizerOptimizeSurface.C.

References LongList< T, Offset >::append(), LongList< T, Offset >::clear(), Foam::deleteDemandDrivenData(), Foam::endl(), forAll, forAllConstIter(), Foam::Info, meshSurfaceMapper::mapEdgeNodes(), meshSurfaceMapper::mapVerticesOntoSurface(), mesh, meshSurfaceEngineModifier::moveBoundaryVertexNoUpdate(), UPstream::parRun(), points, FIFOStack< T >::pop(), FIFOStack< T >::push(), Foam::returnReduce(), List::size(), meshSurfaceEngineModifier::updateGeometry(), and WarningIn.

Referenced by edgeExtractor::checkFacePatchesGeometry(), cartesianMeshGenerator::mapMeshToSurface(), tetMeshGenerator::mapMeshToSurface(), voronoiMeshGenerator::mapMeshToSurface(), voronoiMeshGenerator::optimiseMeshSurface(), meshSurfaceOptimizer::optimizeSurface(), meshSurfaceMapper::preMapVertices(), meshSurfaceOptimizer::untangleSurface(), and edgeExtractor::untangleSurface().

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untangleSurface() [2/2]

bool untangleSurface

(

const label

nAdditionalLayers = 2

)

checks for invertex surface elements and tries to untangle them it tries to keep the points on the surface for a couple of iteration and gives up the final iterations by default, it smooths two additional layers of elements around the inverted ones

Definition at line 572 of file meshSurfaceOptimizerOptimizeSurface.C.

References meshSurfaceEngine::boundaryPoints(), forAll, List::size(), meshSurfaceOptimizer::surfaceEngine_, and meshSurfaceOptimizer::untangleSurface().

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optimizeSurface()

void optimizeSurface

(

const label

nIterations = 5

)

optimize boundary nodes after boundary regions are created

needed for parallel execution

optimize edge vertices

project vertices back onto the boundary

update the geometry information

delete the mapper

optimize positions of surface vertices which are not on surface edges

Definition at line 581 of file meshSurfaceOptimizerOptimizeSurface.C.

References LongList< T, Offset >::append(), meshSurfaceEngine::boundaryFacePatches(), meshSurfaceEngine::boundaryPointEdges(), meshSurfaceEngine::boundaryPoints(), Foam::deleteDemandDrivenData(), meshSurfaceOptimizer::EDGE, Foam::endl(), meshSurfaceEngine::faceCentres(), Foam::flush(), forAll, Foam::Info, meshSurfaceOptimizer::LOCKED, meshSurfaceMapper::mapEdgeNodes(), meshSurfaceOptimizer::octreePtr_, meshSurfaceOptimizer::PARTITION, meshSurfaceOptimizer::partitionerPtr_, meshSurfaceEngine::pointFaces(), meshSurfaceEngine::pointNormals(), meshSurfaceEngine::pointPoints(), meshSurfaceOptimizer::PROCBND, meshSurfaceOptimizer::smoothEdgePoints(), meshSurfaceOptimizer::smoothLaplacianFC(), meshSurfaceOptimizer::smoothSurfaceOptimizer(), meshSurfaceOptimizer::surfaceEngine_, meshSurfaceOptimizer::untangleSurface(), meshSurfaceEngineModifier::updateGeometry(), and meshSurfaceOptimizer::vertexType_.

Referenced by voronoiMeshGenerator::optimiseFinalMesh(), cartesianMeshGenerator::optimiseFinalMesh(), boundaryLayerOptimisation::optimiseLayer(), cartesianMeshGenerator::optimiseMeshSurface(), tetMeshGenerator::optimiseMeshSurface(), voronoiMeshGenerator::optimiseMeshSurface(), and meshSurfaceEdgeExtractorFUN::smoothMeshSurface().

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optimizeSurface2D()

void optimizeSurface2D

(

const label

nIterations = 5

)

optimize the surface of a 2D mesh

needed for parallel execution

optimize edge vertices

move points with maximum z coordinate

map boundary edges to the surface

update normal, centres, etc, after the surface has been modified

optimize Pts of surface vertices which are not on surface edges

move the points which are not at minimum z coordinate

update geometrical data due to movement of vertices

Definition at line 658 of file meshSurfaceOptimizerOptimizeSurface.C.

References LongList< T, Offset >::append(), meshSurfaceEngine::boundaryFacePatches(), meshSurfaceEngine::boundaryPointEdges(), meshSurfaceEngine::boundaryPoints(), meshSurfaceEngine::bp(), LongList< T, Offset >::clear(), polyMeshGen2DEngine::correctPoints(), Foam::deleteDemandDrivenData(), Foam::e, meshSurfaceOptimizer::EDGE, meshSurfaceEngine::edges(), Foam::endl(), meshSurfaceEngine::faceCentres(), Foam::flush(), forAll, Foam::Info, meshSurfaceMapper2D::mapVerticesOntoSurfacePatches(), meshSurfaceEngine::mesh(), meshSurfaceOptimizer::octreePtr_, meshSurfaceOptimizer::PARTITION, meshSurfaceEngine::pointFaces(), meshSurfaceEngine::pointNormals(), meshSurfaceEngine::pointPoints(), meshSurfaceOptimizer::PROCBND, meshSurfaceOptimizer::smoothEdgePoints(), meshSurfaceOptimizer::smoothSurfaceOptimizer(), meshSurfaceOptimizer::surfaceEngine_, meshSurfaceEngineModifier::updateGeometry(), meshSurfaceOptimizer::vertexType_, and polyMeshGen2DEngine::zMinPoints().

Referenced by cartesian2DMeshGenerator::optimiseMeshSurface().

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untangleSurface2D()

void untangleSurface2D

(

)

untangle the surface of a 2D mesh

needed for parallel execution

update active points and faces affected by the movement of active points

collect active points at inter-processor boundaries

exchange active points among the processors

ensure that all processors have the same Pts active

activate this boundary point

set the changeFaces for the faces attached to this point

apply smoothing to the activated points

move the points which are not at minimum z coordinate

update geometrical data due to movement of vertices

update cell centres and face centres

delete invalid data

Definition at line 759 of file meshSurfaceOptimizerOptimizeSurface.C.

References polyMeshGen2DEngine::activeFace(), LongList< T, Offset >::append(), meshSurfaceEngine::boundaryFacePatches(), meshSurfaceEngine::boundaryPointEdges(), meshSurfaceEngine::boundaryPoints(), meshSurfaceEngine::bp(), meshSurfaceEngine::bpAtProcs(), meshSurfaceEngine::bpNeiProcs(), polyMeshGen2DEngine::correctPoints(), meshSurfaceOptimizer::EDGE, Foam::endl(), meshSurfaceOptimizer::exchangeData(), Foam::help::exchangeMap(), f(), meshSurfaceEngine::faceCentres(), Foam::polyMeshGenChecks::findBadFaces(), forAll, forAllConstIter(), forAllRow, meshSurfaceEngine::globalToLocalBndPointAddressing(), Foam::Info, mesh, meshSurfaceEngine::mesh(), UPstream::myProcNo(), UPstream::parRun(), meshSurfaceOptimizer::PARTITION, meshSurfaceEngine::pointFaces(), meshSurfaceEngine::pointNormals(), meshSurfaceEngine::pointPoints(), meshSurfaceOptimizer::PROCBND, List::size(), meshSurfaceOptimizer::smoothEdgePoints(), meshSurfaceOptimizer::smoothSurfaceOptimizer(), meshSurfaceOptimizer::surfaceEngine_, meshSurfaceEngineModifier::updateGeometry(), meshSurfaceOptimizer::vertexType_, and polyMeshGen2DEngine::zMinPoints().

Referenced by cartesian2DMeshGenerator::optimiseMeshSurface(), and cartesian2DMeshGenerator::refBoundaryLayers().

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Field Documentation

surfaceEngine_

const meshSurfaceEngine& surfaceEngine_

private

const reference to the mesh surface

Definition at line 67 of file meshSurfaceOptimizer.H.

Referenced by meshSurfaceOptimizer::classifySurfaceVertices(), meshSurfaceOptimizer::edgeNodeDisplacement(), meshSurfaceOptimizer::lockBoundaryFaces(), meshSurfaceOptimizer::lockBoundaryPoints(), meshSurfaceOptimizer::optimizeSurface(), meshSurfaceOptimizer::optimizeSurface2D(), meshSurfaceOptimizer::untangleSurface(), and meshSurfaceOptimizer::untangleSurface2D().

vertexType_

List<direction> vertexType_

private

type of surface vertex

Definition at line 70 of file meshSurfaceOptimizer.H.

Referenced by meshSurfaceOptimizer::classifySurfaceVertices(), meshSurfaceOptimizer::edgeNodeDisplacement(), meshSurfaceOptimizer::lockBoundaryFaces(), meshSurfaceOptimizer::lockBoundaryPoints(), meshSurfaceOptimizer::lockFeatureEdges(), meshSurfaceOptimizer::optimizeSurface(), meshSurfaceOptimizer::optimizeSurface2D(), meshSurfaceOptimizer::removeUserConstraints(), and meshSurfaceOptimizer::untangleSurface2D().

lockedSurfaceFaces_

labelLongList lockedSurfaceFaces_

private

locked faces which shall not be changed

Definition at line 73 of file meshSurfaceOptimizer.H.

Referenced by meshSurfaceOptimizer::lockBoundaryFaces().

partitionerPtr_

const meshSurfacePartitioner* partitionerPtr_

private

surface partitioner

Definition at line 76 of file meshSurfaceOptimizer.H.

Referenced by meshSurfaceOptimizer::calculateTrianglesAndAddressing(), meshSurfaceOptimizer::classifySurfaceVertices(), meshSurfaceOptimizer::optimizeSurface(), and meshSurfaceOptimizer::~meshSurfaceOptimizer().

deletePartitioner_

const bool deletePartitioner_

private

Definition at line 77 of file meshSurfaceOptimizer.H.

Referenced by meshSurfaceOptimizer::~meshSurfaceOptimizer().

octreePtr_

const meshOctree* octreePtr_

private

pointer to mesh octree

Definition at line 80 of file meshSurfaceOptimizer.H.

Referenced by meshSurfaceOptimizer::optimizeSurface(), and meshSurfaceOptimizer::optimizeSurface2D().

triMeshPtr_

partTriMesh* triMeshPtr_

mutableprivate

mesh of surface triangles needed for some smoothers

Definition at line 83 of file meshSurfaceOptimizer.H.

Referenced by meshSurfaceOptimizer::calculateTrianglesAndAddressing(), meshSurfaceOptimizer::triMesh(), meshSurfaceOptimizer::updateTriMesh(), and meshSurfaceOptimizer::~meshSurfaceOptimizer().

enforceConstraints_

bool enforceConstraints_

private

enforce constraints

Definition at line 86 of file meshSurfaceOptimizer.H.

Referenced by meshSurfaceOptimizer::enforceConstraints().

badPointsSubsetName_

word badPointsSubsetName_

private

name of the subset contaning tangled points

Definition at line 89 of file meshSurfaceOptimizer.H.

Referenced by meshSurfaceOptimizer::enforceConstraints().

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The documentation for this class was generated from the following files:

• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizer.H
• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizer.C
• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizerCalculateTrianglesAndAddressing.C
• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizerI.H
• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizerOptimizePoint.C
• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizerOptimizePointParallel.C
• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/smoothers/geometry/meshSurfaceOptimizer/meshSurfaceOptimizerOptimizeSurface.C