ENH: distributedTriSurfaceMesh: auto-decomposition; inside/outside support

This commit is contained in:
mattijs
2019-02-18 13:29:01 +00:00
committed by Andrew Heather
parent d4a97ecd01
commit 48055b2dea
29 changed files with 4142 additions and 520 deletions

View File

@ -471,6 +471,12 @@ public:
return nodes_[0].bb_;
}
//- Per node, per octant whether is fully inside/outside/mixed.
PackedList<2>& nodeTypes() const
{
return nodeTypes_;
}
// Conversions for entries in subNodes_.

View File

@ -330,10 +330,10 @@ public:
mapDistribute();
//- Copy construct
mapDistribute(const mapDistribute& map);
explicit mapDistribute(const mapDistribute& map);
//- Move construct
mapDistribute(mapDistribute&& map);
explicit mapDistribute(mapDistribute&& map);
//- Move construct from components
mapDistribute

View File

@ -128,6 +128,11 @@ public:
{
return true;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::OUTSIDE;
}
//- Range of local indices that can be returned.
virtual label size() const

View File

@ -186,6 +186,12 @@ public:
return true;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::OUTSIDE;
}
//- Range of local indices that can be returned.
virtual label size() const
{

View File

@ -158,6 +158,12 @@ public:
return true;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::OUTSIDE;
}
//- Range of local indices that can be returned.
virtual label size() const
{

View File

@ -141,6 +141,12 @@ public:
return false;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::UNKNOWN;
}
//- Range of local indices that can be returned.
virtual label size() const
{

View File

@ -124,6 +124,12 @@ public:
return true;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::OUTSIDE;
}
//- Range of local indices that can be returned.
virtual label size() const;

View File

@ -126,6 +126,12 @@ public:
return false;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::UNKNOWN;
}
//- Range of local indices that can be returned.
virtual label size() const
{

View File

@ -152,6 +152,12 @@ public:
return false;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::UNKNOWN;
}
//- Range of local indices that can be returned.
virtual label size() const
{

View File

@ -131,6 +131,12 @@ public:
return true;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::OUTSIDE;
}
//- Range of local indices that can be returned.
virtual label size() const
{

View File

@ -144,6 +144,12 @@ public:
return true;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::OUTSIDE;
}
//- Range of local indices that can be returned.
virtual label size() const
{

View File

@ -176,13 +176,13 @@ public:
}
//- Return const reference to boundBox
const boundBox& bounds() const
virtual const boundBox& bounds() const
{
return bounds_;
}
//- Return non-const access to the boundBox to allow it to be set.
boundBox& bounds()
virtual boundBox& bounds()
{
return bounds_;
}
@ -194,6 +194,10 @@ public:
// This is false for the base class.
virtual bool hasVolumeType() const;
//- If surface supports volume queries, what is type of points outside
// bounds
virtual volumeType outsideVolumeType() const = 0;
//- Range of local indices that can be returned
virtual label size() const = 0;

View File

@ -181,6 +181,12 @@ public:
return false;
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return volumeType::UNKNOWN;
}
//- Range of local indices that can be returned.
virtual label size() const;

View File

@ -166,6 +166,12 @@ public:
return surface().hasVolumeType();
}
//- What is type of points outside bounds
virtual volumeType outsideVolumeType() const
{
return surface().outsideVolumeType();
}
//- Range of local indices that can be returned.
virtual label size() const
{

View File

@ -71,7 +71,7 @@ Foam::fileName Foam::triSurfaceMesh::checkFile
Foam::fileName Foam::triSurfaceMesh::relativeFilePath
(
const regIOobject& io,
const IOobject& io,
const fileName& f,
const bool isGlobal
)
@ -96,7 +96,7 @@ Foam::fileName Foam::triSurfaceMesh::relativeFilePath
Foam::fileName Foam::triSurfaceMesh::checkFile
(
const regIOobject& io,
const IOobject& io,
const dictionary& dict,
const bool isGlobal
)
@ -156,6 +156,13 @@ bool Foam::triSurfaceMesh::addFaceToEdge
bool Foam::triSurfaceMesh::isSurfaceClosed() const
{
if (debug)
{
Pout<< "triSurfaceMesh::isSurfaceClosed:"
<< " determining closedness for surface with "
<< triSurface::size() << " triangles" << endl;
}
const pointField& pts = triSurface::points();
// Construct pointFaces. Let's hope surface has compact point
@ -196,6 +203,11 @@ bool Foam::triSurfaceMesh::isSurfaceClosed() const
if (!okFace)
{
if (debug)
{
Pout<< "triSurfaceMesh::isSurfaceClosed :"
<< " surface is open" << endl;
}
return false;
}
}
@ -213,6 +225,11 @@ bool Foam::triSurfaceMesh::isSurfaceClosed() const
if (!okFace)
{
if (debug)
{
Pout<< "triSurfaceMesh::isSurfaceClosed :"
<< " surface is open" << endl;
}
return false;
}
}
@ -223,11 +240,21 @@ bool Foam::triSurfaceMesh::isSurfaceClosed() const
{
if (iter.val() != 2)
{
if (debug)
{
Pout<< "triSurfaceMesh::isSurfaceClosed :"
<< " surface is open" << endl;
}
return false;
}
}
}
if (debug)
{
Pout<< "triSurfaceMesh::isSurfaceClosed :"
<< " surface is closed" << endl;
}
return true;
}
@ -358,7 +385,7 @@ Foam::triSurfaceMesh::triSurfaceMesh
}
Foam::triSurfaceMesh::triSurfaceMesh(const IOobject& io, const bool isGlobal)
Foam::triSurfaceMesh::triSurfaceMesh(const IOobject& io, const readAction r)
:
// Find instance for triSurfaceMesh
searchableSurface(io),
@ -376,18 +403,79 @@ Foam::triSurfaceMesh::triSurfaceMesh(const IOobject& io, const bool isGlobal)
false // searchableSurface already registered under name
)
),
triSurface
(
checkFile(static_cast<const searchableSurface&>(*this), isGlobal)
),
triSurface(), // construct null
triSurfaceRegionSearch(static_cast<const triSurface&>(*this)),
minQuality_(-1),
surfaceClosed_(-1),
outsideVolType_(volumeType::UNKNOWN)
{
const pointField& pts = triSurface::points();
// Check IO flags
if (io.readOpt() != IOobject::NO_READ)
{
const bool searchGlobal(r == localOrGlobal || r == masterOnly);
bounds() = boundBox(pts, isGlobal);
const fileName actualFile
(
searchGlobal
? io.globalFilePath(typeName)
: io.localFilePath(typeName)
);
if (debug)
{
Pout<< "triSurfaceMesh(const IOobject& io) :"
<< " loading surface " << io.objectPath()
<< " local filePath:" << io.localFilePath(typeName)
<< " from:" << actualFile << endl;
}
if (searchGlobal && Pstream::parRun())
{
// Check where surface was found
const fileName localFile(io.localFilePath(typeName));
if (r == masterOnly && (actualFile != localFile))
{
// Found undecomposed surface. Load on master only
if (Pstream::master())
{
triSurface s2(actualFile);
triSurface::transfer(s2);
}
Pstream::scatter(triSurface::patches());
if (debug)
{
Pout<< "triSurfaceMesh(const IOobject& io) :"
<< " loaded triangles:" << triSurface::size() << endl;
}
}
else
{
// Read on all processors
triSurface s2(actualFile);
triSurface::transfer(s2);
if (debug)
{
Pout<< "triSurfaceMesh(const IOobject& io) :"
<< " loaded triangles:" << triSurface::size() << endl;
}
}
}
else
{
// Read on all processors
triSurface s2(actualFile);
triSurface::transfer(s2);
if (debug)
{
Pout<< "triSurfaceMesh(const IOobject& io) :"
<< " loaded triangles:" << triSurface::size() << endl;
}
}
}
const pointField& pts = triSurface::points();
bounds() = boundBox(pts, false);
}
@ -395,7 +483,7 @@ Foam::triSurfaceMesh::triSurfaceMesh
(
const IOobject& io,
const dictionary& dict,
const bool isGlobal
const readAction r
)
:
searchableSurface(io),
@ -413,15 +501,24 @@ Foam::triSurfaceMesh::triSurfaceMesh
false // searchableSurface already registered under name
)
),
triSurface
(
checkFile(static_cast<const searchableSurface&>(*this), dict, isGlobal)
),
triSurface(), // construct null
triSurfaceRegionSearch(static_cast<const triSurface&>(*this), dict),
minQuality_(-1),
surfaceClosed_(-1),
outsideVolType_(volumeType::UNKNOWN)
{
// Check IO flags
if (io.readOpt() != IOobject::NO_READ)
{
const bool searchGlobal(r == localOrGlobal || r == masterOnly);
fileName actualFile
(
searchGlobal
? io.globalFilePath(typeName)
: io.localFilePath(typeName)
);
// Reading from supplied file name instead of objectPath/filePath
if (dict.readIfPresent("file", fName_, keyType::LITERAL))
{
@ -429,10 +526,66 @@ Foam::triSurfaceMesh::triSurfaceMesh
(
static_cast<const searchableSurface&>(*this),
fName_,
isGlobal
searchGlobal
);
actualFile = fName_;
}
if (debug)
{
Pout<< "triSurfaceMesh(const IOobject& io, const dictionary&) :"
<< " loading surface " << io.objectPath()
<< " local filePath:" << io.localFilePath(typeName)
<< " from:" << actualFile << endl;
}
if (searchGlobal && Pstream::parRun())
{
// Check where surface was found
const fileName localFile(io.localFilePath(typeName));
if (r == masterOnly && (actualFile != localFile))
{
// Surface not loaded from processor directories -> undecomposed
// surface. Load on master only
if (Pstream::master())
{
triSurface s2(actualFile);
triSurface::transfer(s2);
}
Pstream::scatter(triSurface::patches());
if (debug)
{
Pout<< "triSurfaceMesh(const IOobject& io) :"
<< " loaded triangles:" << triSurface::size() << endl;
}
}
else
{
// Read on all processors
triSurface s2(actualFile);
triSurface::transfer(s2);
if (debug)
{
Pout<< "triSurfaceMesh(const IOobject& io) :"
<< " loaded triangles:" << triSurface::size() << endl;
}
}
}
else
{
// Read on all processors
triSurface s2(actualFile);
triSurface::transfer(s2);
if (debug)
{
Pout<< "triSurfaceMesh(const IOobject& io) :"
<< " loaded triangles:" << triSurface::size() << endl;
}
}
}
scalar scaleFactor = 0;
// Allow rescaling of the surface points
@ -445,8 +598,7 @@ Foam::triSurfaceMesh::triSurfaceMesh
}
const pointField& pts = triSurface::points();
bounds() = boundBox(pts, isGlobal);
bounds() = boundBox(pts, false);
// Have optional minimum quality for normal calculation
if (dict.readIfPresent("minQuality", minQuality_) && minQuality_ > 0)
@ -468,7 +620,7 @@ Foam::triSurfaceMesh::~triSurfaceMesh()
void Foam::triSurfaceMesh::clearOut()
{
outsideVolType_ = volumeType::UNKNOWN;
// Do not clear closedness status
triSurfaceRegionSearch::clearOut();
edgeTree_.clear();
triSurface::clearOut();
@ -539,7 +691,14 @@ bool Foam::triSurfaceMesh::overlaps(const boundBox& bb) const
void Foam::triSurfaceMesh::movePoints(const pointField& newPoints)
{
outsideVolType_ = volumeType::UNKNOWN;
if (debug)
{
Pout<< "triSurfaceMesh::movePoints :"
<< " moving at time " << objectRegistry::time().timeName()
<< endl;
}
// Preserve topological point status (surfaceClosed_, outsideVolType_)
// Update local information (instance, event number)
searchableSurface::instance() = objectRegistry::time().timeName();
@ -555,6 +714,10 @@ void Foam::triSurfaceMesh::movePoints(const pointField& newPoints)
triSurface::movePoints(newPoints);
bounds() = boundBox(triSurface::points(), false);
if (debug)
{
Pout<< "triSurfaceMesh::movePoints: finished moving points" << endl;
}
}
@ -563,6 +726,13 @@ Foam::triSurfaceMesh::edgeTree() const
{
if (edgeTree_.empty())
{
if (debug)
{
Pout<< "triSurfaceMesh::edgeTree :"
<< " constructing tree for " << nEdges() - nInternalEdges()
<< " boundary edges" << endl;
}
// Boundary edges
labelList bEdges
(
@ -592,6 +762,13 @@ Foam::triSurfaceMesh::edgeTree() const
bb.max() += point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
}
if (debug)
{
Pout<< "triSurfaceMesh::edgeTree : "
<< "calculating edge tree for bb:" << bb << endl;
}
scalar oldTol = indexedOctree<treeDataEdge>::perturbTol();
indexedOctree<treeDataEdge>::perturbTol() = tolerance();
@ -614,6 +791,14 @@ Foam::triSurfaceMesh::edgeTree() const
);
indexedOctree<treeDataEdge>::perturbTol() = oldTol;
if (debug)
{
Pout<< "triSurfaceMesh::edgeTree :"
<< " finished constructing tree for "
<< nEdges() - nInternalEdges()
<< " boundary edges" << endl;
}
}
return *edgeTree_;
@ -652,6 +837,40 @@ bool Foam::triSurfaceMesh::hasVolumeType() const
}
Foam::volumeType Foam::triSurfaceMesh::outsideVolumeType() const
{
if (outsideVolType_ == volumeType::UNKNOWN)
{
// Get point outside bounds()
const point outsidePt(bounds().max() + 0.5*bounds().span());
if (debug)
{
Pout<< "triSurfaceMesh::outsideVolumeType :"
<< " triggering outsidePoint:" << outsidePt
<< " orientation" << endl;
}
//outsideVolType_ = tree().shapes().getVolumeType(tree(), outsidePt);
// Note: do not use tree directly so e.g. distributedTriSurfaceMesh
// has opportunity to intercept
List<volumeType> outsideVolTypes;
getVolumeType(pointField(1, outsidePt), outsideVolTypes);
outsideVolType_ = outsideVolTypes[0];
if (debug)
{
Pout<< "triSurfaceMesh::outsideVolumeType :"
<< " finished outsidePoint:" << outsidePt
<< " orientation:" << volumeType::names[outsideVolType_]
<< endl;
}
}
return outsideVolType_;
}
void Foam::triSurfaceMesh::findNearest
(
const pointField& samples,
@ -659,7 +878,21 @@ void Foam::triSurfaceMesh::findNearest
List<pointIndexHit>& info
) const
{
if (debug)
{
Pout<< "triSurfaceMesh::findNearest :"
<< " trying to find nearest for " << samples.size()
<< " samples with max sphere "
<< (samples.size() ? Foam::sqrt(max(nearestDistSqr)) : Zero)
<< endl;
}
triSurfaceSearch::findNearest(samples, nearestDistSqr, info);
if (debug)
{
Pout<< "triSurfaceMesh::findNearest :"
<< " finished trying to find nearest for " << samples.size()
<< " samples" << endl;
}
}
@ -671,6 +904,14 @@ void Foam::triSurfaceMesh::findNearest
List<pointIndexHit>& info
) const
{
if (debug)
{
Pout<< "triSurfaceMesh::findNearest :"
<< " trying to find nearest and region for " << samples.size()
<< " samples with max sphere "
<< (samples.size() ? Foam::sqrt(max(nearestDistSqr)) : Zero)
<< endl;
}
triSurfaceRegionSearch::findNearest
(
samples,
@ -678,6 +919,12 @@ void Foam::triSurfaceMesh::findNearest
regionIndices,
info
);
if (debug)
{
Pout<< "triSurfaceMesh::findNearest :"
<< " finished trying to find nearest and region for "
<< samples.size() << " samples" << endl;
}
}
@ -688,7 +935,19 @@ void Foam::triSurfaceMesh::findLine
List<pointIndexHit>& info
) const
{
if (debug)
{
Pout<< "triSurfaceMesh::findLine :"
<< " intersecting with "
<< start.size() << " rays" << endl;
}
triSurfaceSearch::findLine(start, end, info);
if (debug)
{
Pout<< "triSurfaceMesh::findLine :"
<< " finished intersecting with "
<< start.size() << " rays" << endl;
}
}
@ -699,7 +958,19 @@ void Foam::triSurfaceMesh::findLineAny
List<pointIndexHit>& info
) const
{
if (debug)
{
Pout<< "triSurfaceMesh::findLineAny :"
<< " intersecting with "
<< start.size() << " rays" << endl;
}
triSurfaceSearch::findLineAny(start, end, info);
if (debug)
{
Pout<< "triSurfaceMesh::findLineAny :"
<< " finished intersecting with "
<< start.size() << " rays" << endl;
}
}
@ -710,7 +981,19 @@ void Foam::triSurfaceMesh::findLineAll
List<List<pointIndexHit>>& info
) const
{
if (debug)
{
Pout<< "triSurfaceMesh::findLineAll :"
<< " intersecting with "
<< start.size() << " rays" << endl;
}
triSurfaceSearch::findLineAll(start, end, info);
if (debug)
{
Pout<< "triSurfaceMesh::findLineAll :"
<< " finished intersecting with "
<< start.size() << " rays" << endl;
}
}
@ -720,6 +1003,12 @@ void Foam::triSurfaceMesh::getRegion
labelList& region
) const
{
if (debug)
{
Pout<< "triSurfaceMesh::getRegion :"
<< " getting region for "
<< info.size() << " triangles" << endl;
}
region.setSize(info.size());
forAll(info, i)
{
@ -732,6 +1021,12 @@ void Foam::triSurfaceMesh::getRegion
region[i] = -1;
}
}
if (debug)
{
Pout<< "triSurfaceMesh::getRegion :"
<< " finished getting region for "
<< info.size() << " triangles" << endl;
}
}
@ -741,6 +1036,13 @@ void Foam::triSurfaceMesh::getNormal
vectorField& normal
) const
{
if (debug)
{
Pout<< "triSurfaceMesh::getNormal :"
<< " getting normal for "
<< info.size() << " triangles" << endl;
}
const triSurface& s = *this;
const pointField& pts = s.points();
@ -803,6 +1105,12 @@ void Foam::triSurfaceMesh::getNormal
}
}
}
if (debug)
{
Pout<< "triSurfaceMesh::getNormal :"
<< " finished getting normal for "
<< info.size() << " triangles" << endl;
}
}
@ -835,6 +1143,12 @@ void Foam::triSurfaceMesh::setField(const labelList& values)
// Store field on triMesh
fldPtr->store();
}
if (debug)
{
Pout<< "triSurfaceMesh::setField :"
<< " finished setting field for "
<< values.size() << " triangles" << endl;
}
}
@ -860,6 +1174,12 @@ void Foam::triSurfaceMesh::getField
}
}
}
if (debug)
{
Pout<< "triSurfaceMesh::setField :"
<< " finished getting field for "
<< info.size() << " triangles" << endl;
}
}
@ -872,6 +1192,13 @@ void Foam::triSurfaceMesh::getVolumeType
const scalar oldTol = indexedOctree<treeDataTriSurface>::perturbTol();
indexedOctree<treeDataTriSurface>::perturbTol() = tolerance();
if (debug)
{
Pout<< "triSurfaceMesh::getVolumeType :"
<< " finding orientation for " << points.size()
<< " samples" << endl;
}
volType.setSize(points.size());
forAll(points, pointi)
@ -900,6 +1227,12 @@ void Foam::triSurfaceMesh::getVolumeType
}
indexedOctree<treeDataTriSurface>::perturbTol() = oldTol;
if (debug)
{
Pout<< "triSurfaceMesh::getVolumeType :"
<< " finished finding orientation for " << points.size()
<< " samples" << endl;
}
}

View File

@ -52,8 +52,8 @@ SourceFiles
#ifndef triSurfaceMesh_H
#define triSurfaceMesh_H
#include "treeBoundBox.H"
#include "searchableSurface.H"
#include "treeBoundBox.H"
#include "objectRegistry.H"
#include "indexedOctree.H"
#include "treeDataTriSurface.H"
@ -79,6 +79,8 @@ class triSurfaceMesh
public triSurface,
public triSurfaceRegionSearch
{
protected:
// Private member data
//- Supplied fileName override
@ -110,7 +112,7 @@ class triSurfaceMesh
// IOobject
static fileName relativeFilePath
(
const regIOobject&,
const IOobject&,
const fileName&,
const bool isGlobal
);
@ -118,7 +120,7 @@ class triSurfaceMesh
//- Return fileName to load IOobject from. Optional override of fileName
static fileName checkFile
(
const regIOobject&,
const IOobject&,
const dictionary&,
const bool isGlobal
);
@ -179,15 +181,22 @@ public:
// Special constructors for use by distributedTriSurface. File search
// status (local/global) supplied.
// method supplied:
triSurfaceMesh(const IOobject& io, const bool isGlobal);
enum readAction
{
localOnly, // load from (processor-)local file only
localOrGlobal, // load from (processor-)local or global file
masterOnly // as localOrGlobal but only load on master
};
triSurfaceMesh(const IOobject& io, const readAction r);
triSurfaceMesh
(
const IOobject& io,
const dictionary& dict,
const bool isGlobal
const readAction r
);
@ -216,6 +225,9 @@ public:
//- Whether supports volume type (below) - i.e. whether is closed.
virtual bool hasVolumeType() const;
//- If surface is closed, what is type of points outside bounds
virtual volumeType outsideVolumeType() const;
//- Range of local indices that can be returned.
virtual label size() const
{

View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2015 OpenCFD Ltd.
\\ / A nd | Copyright (C) 2015-2018 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
| Copyright (C) 2011-2017 OpenFOAM Foundation
@ -42,6 +42,15 @@ Description
more communication.
- frozen : no change
Note: addressing used:
distributedTriSurfaceMesh: none
triSurfaceMesh:
- surf.pointFaces() : edge addressing (for volume tests only)
- surf.edges() : edgeTree
- surf.faceFaces() : only if minQuality > 0
SourceFiles
distributedTriSurfaceMesh.C
@ -55,6 +64,7 @@ SourceFiles
#include "IOdictionary.H"
#include "Pair.H"
#include "globalIndex.H"
#include "DynamicField.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -86,7 +96,8 @@ public:
{
FOLLOW = 0,
INDEPENDENT = 1,
FROZEN = 2
DISTRIBUTED = 2,
FROZEN = 3
};
static const Enum<distributionType> distributionTypeNames_;
@ -112,14 +123,22 @@ private:
//- Global triangle numbering
mutable autoPtr<globalIndex> globalTris_;
//- The distribution type.
//- The (wanted) distribution type.
distributionType distType_;
//- The (current) distribution type. Used to trigger re-distribution
// when starting from undecomposed surface.
distributionType currentDistType_;
// Private Member Functions
// Read
//- Search for io.local directory (=triSurface) either in case
// directory or in parent directory
static word findLocalInstance(const IOobject& io);
//- Read my additional data
bool read();
@ -183,6 +202,9 @@ private:
// Triangle index
//- Helper: convert local triangle indices to global ones
void convertTriIndices(List<pointIndexHit>& info) const;
//- Obtains global indices from pointIndexHit and swaps them back
// to their original processor. Used to calculate local region
// and normal.
@ -195,6 +217,24 @@ private:
// Nearest
//- Is location inside any of the bounding boxes
bool contains
(
const List<treeBoundBox>& bbs,
const point& sample
) const;
//- Is location inside any of the processors bb or if not
// does it overlap
Tuple2<label, scalar> findBestProcs
(
const point& centre,
const scalar radiusSqr,
boolList& procContains,
boolList& procOverlaps,
label& minProci
) const;
label calcOverlappingProcs
(
const point& centre,
@ -202,8 +242,10 @@ private:
boolList& overlaps
) const;
//- Calculate map to send centres+radius to processors
autoPtr<mapDistribute> calcLocalQueries
(
const bool includeLocalProcessor,
const pointField& centres,
const scalarField& radiusSqr,
@ -213,8 +255,71 @@ private:
) const;
// Side
//- Side of nearest point w.r.t. edge between face0 and face1
volumeType edgeSide
(
const point& sample,
const point& nearestPoint,
const label face0,
const label face1
) const;
//- Find edge-connected face
label findOtherFace
(
const labelListList& pointFaces,
const label nearFacei,
const label nearLabel
) const;
//- Side of nearest point on faces w.r.t. samples. Handles nearest
// on edge/point
void surfaceSide
(
const pointField& samples,
const List<pointIndexHit>& nearestInfo,
List<volumeType>& region
) const;
// Caching of volume type (based on indexedOctree)
//- Collect mid points of tree boxes
void collectLeafMids
(
const label nodeI,
DynamicField<point>& midPoints
) const;
//- Find volume type of tree boxes
volumeType calcVolumeType
(
const List<volumeType>& midPointTypes,
label& index,
PackedList<2>& nodeTypes,
const label nodeI
) const;
//- Look up any cached data. Return unknown if cannot be determined.
volumeType cachedVolumeType
(
const label nodeI,
const point& sample
) const;
// Surface redistribution
//- Calculate face-faces
static void calcFaceFaces
(
const triSurface& s,
const labelListList& pointFaces,
labelListList& faceFaces
);
//- Finds new bounds based on an independent decomposition.
List<List<treeBoundBox>> independentlyDistributedBbs
(
@ -344,13 +449,6 @@ public:
// searchableSurface implementation
//- Whether supports volume type below. I.e. whether is closed.
// Not supported.
virtual bool hasVolumeType() const
{
return false;
}
//- Range of global indices that can be returned.
virtual label globalSize() const
{
@ -364,6 +462,16 @@ public:
List<pointIndexHit>&
) const;
//- Find the nearest locations for the supplied points to a
// particular region in the searchable surface.
virtual void findNearest
(
const pointField& samples,
const scalarField& nearestDistSqr,
const labelList& regionIndices,
List<pointIndexHit>& info
) const;
virtual void findLine
(
const pointField& start,
@ -434,6 +542,14 @@ public:
// indices) get the specified field. Misses do not get set.
virtual void getField(const List<pointIndexHit>&, labelList&) const;
//- Calculate the triangles that are overlapping bounds.
static void overlappingSurface
(
const triSurface&,
const List<treeBoundBox>&,
boolList& includedFace
);
//- Subset the part of surface that is overlapping bounds.
static triSurface overlappingSurface
(

View File

@ -19,7 +19,8 @@ runApplication $decompDict decomposePar
if foamDictionary -entry geometry -value system/snappyHexMeshDict | \
grep -q distributedTriSurfaceMesh
then
runParallel $decompDict surfaceRedistributePar motorBike.obj independent
echo "surfaceRedistributePar does not need to be run anymore"
echo " - distributedTriSurfaceMesh will do on-the-fly redistribution"
fi
runParallel $decompDict snappyHexMesh -overwrite

View File

@ -0,0 +1,9 @@
#!/bin/sh
cd ${0%/*} || exit 1 # Run from this directory
. $WM_PROJECT_DIR/bin/tools/CleanFunctions # Tutorial clean functions
cleanCase
(cd constant/triSurface && rm -f box_12_*.obj box.obj box_trans.obj)
#------------------------------------------------------------------------------

View File

@ -0,0 +1,53 @@
#!/bin/sh
cd ${0%/*} || exit 1 # Run from this directory
. $WM_PROJECT_DIR/bin/tools/RunFunctions # Tutorial run functions
runApplication blockMesh
# Create fine surface
runApplication -s 1 surfaceRefineRedGreen \
constant/triSurface/box_12.obj constant/triSurface/box_12_1.obj
runApplication -s 2 surfaceRefineRedGreen \
constant/triSurface/box_12_1.obj constant/triSurface/box_12_2.obj
runApplication -s 3 surfaceRefineRedGreen \
constant/triSurface/box_12_2.obj constant/triSurface/box_12_3.obj
runApplication -s 4 surfaceRefineRedGreen \
constant/triSurface/box_12_3.obj constant/triSurface/box_12_4.obj
runApplication -s 5 surfaceRefineRedGreen \
constant/triSurface/box_12_4.obj constant/triSurface/box_12_5.obj
runApplication -s 6 surfaceRefineRedGreen \
constant/triSurface/box_12_5.obj constant/triSurface/box_12_6.obj
runApplication -s 7 surfaceRefineRedGreen \
constant/triSurface/box_12_6.obj constant/triSurface/box_12_7.obj
runApplication -s 8 surfaceRefineRedGreen \
constant/triSurface/box_12_7.obj constant/triSurface/box_12_8.obj
runApplication -s 9 surfaceRefineRedGreen \
constant/triSurface/box_12_8.obj constant/triSurface/box_12_9.obj
runApplication -s 10 surfaceRefineRedGreen \
constant/triSurface/box_12_9.obj constant/triSurface/box.obj
runApplication surfaceTransformPoints \
-rotate '((1 0 0)(1 0.8 0.9))' \
-translate '(0.1 0.101 0.103)' \
constant/triSurface/box.obj constant/triSurface/box_trans.obj
# Run non-parallel
runApplication snappyHexMesh
# Run parallel
runApplication decomposePar
runParallel -s parallel snappyHexMesh
#------------------------------------------------------------------------------

View File

@ -0,0 +1,34 @@
# Wavefront OBJ file written 2018-09-13T12:59:07
o box_12
# points : 8
# faces : 12
# zones : 1
# 0 patch0 (nFaces: 12)
# <points count="8">
v -0.420753 -0.63726 -0.408494
v 0.228766 -0.76226 0.341506
v 0.420753 0.63726 0.408494
v -0.228766 0.76226 -0.341506
v -0.204247 -0.0122595 0.841506
v 0.204247 0.0122595 -0.841506
v -0.853766 0.11274 0.0915064
v 0.853766 -0.11274 -0.0915064
# </points>
# <faces count="12">
g patch0
f 7 1 5
f 2 5 1
f 8 6 3
f 4 3 6
f 8 2 6
f 1 6 2
f 7 5 4
f 3 4 5
f 4 6 7
f 1 7 6
f 2 8 5
f 3 5 8
# </faces>

View File

@ -0,0 +1,98 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
scale 1;
vertices
(
(-1 -1 -1)
( 1 -1 -1)
( 1 1 -1)
(-1 1 -1)
(-1 -1 1)
( 1 -1 1)
( 1 1 1)
(-1 1 1)
);
blocks
(
hex (0 1 2 3 4 5 6 7) (4 4 4) simpleGrading (1 1 1)
);
edges
(
);
boundary
(
maxY
{
type patch;
faces
(
(3 7 6 2)
);
}
minX
{
type patch;
faces
(
(0 4 7 3)
);
}
maxX
{
type patch;
faces
(
(2 6 5 1)
);
}
minY
{
type patch;
faces
(
(1 5 4 0)
);
}
minZ
{
type patch;
faces
(
(0 3 2 1)
);
}
maxZ
{
type patch;
faces
(
(4 5 6 7)
);
}
);
// ************************************************************************* //

View File

@ -0,0 +1,57 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 s |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
DebugSwitches
{
//triSurfaceMesh 1;
//distributedTriSurfaceMesh 1;
//triSurface 1;
//PrimitivePatch 1;
}
application snappyHexMesh;
startFrom startTime;
startTime 0;
stopAt endTime;
endTime 2000;
deltaT 1;
writeControl timeStep;
writeInterval 100;
purgeWrite 0;
writeFormat binary;
writePrecision 6;
writeCompression off;
timeFormat general;
timePrecision 6;
runTimeModifiable true;
// ************************************************************************* //

View File

@ -0,0 +1,27 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object decomposeParDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
numberOfSubdomains 8;
method hierarchical;
coeffs
{
n (2 2 2);
}
// ************************************************************************* //

View File

@ -0,0 +1,57 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object fvSchemes;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
ddtSchemes
{
default steadyState;
}
gradSchemes
{
default Gauss linear;
}
divSchemes
{
default none;
div(phi,U) bounded Gauss upwind;
div(phi,T) bounded Gauss upwind;
div(phi,k) bounded Gauss upwind;
div(phi,epsilon) bounded Gauss upwind;
div(phi,R) bounded Gauss upwind;
div(R) Gauss linear;
div((nuEff*dev(T(grad(U))))) Gauss linear;
}
laplacianSchemes
{
default Gauss linear limited corrected 0.333;
}
interpolationSchemes
{
default linear;
}
snGradSchemes
{
default limited corrected 0.333;
}
// ************************************************************************* //

View File

@ -0,0 +1,69 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
solvers
{
p_rgh
{
solver PCG;
preconditioner DIC;
tolerance 1e-08;
relTol 0.01;
}
"(U|T|k|epsilon)"
{
solver PBiCGStab;
preconditioner DILU;
tolerance 1e-07;
relTol 0.1;
}
}
SIMPLE
{
nNonOrthogonalCorrectors 2;
pRefCell 0;
pRefValue 0;
residualControl
{
p_rgh 1e-2;
U 1e-4;
T 1e-3;
// possibly check turbulence fields
"(k|epsilon|omega)" 1e-3;
}
}
relaxationFactors
{
fields
{
p_rgh 0.7;
}
equations
{
U 0.2;
T 0.5;
"(k|epsilon)" 0.7;
}
}
// ************************************************************************* //

View File

@ -0,0 +1,21 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object meshQualityDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Include defaults parameters from master dictionary
#includeEtc "caseDicts/meshQualityDict"
// ************************************************************************* //

View File

@ -0,0 +1,287 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object snappyHexMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Which of the steps to run
castellatedMesh true;
snap true;
addLayers false;
// Geometry. Definition of all surfaces. All surfaces are of class
// searchableSurface.
// Surfaces are used
// - to specify refinement for any mesh cell intersecting it
// - to specify refinement for any mesh cell inside/outside/near
// - to 'snap' the mesh boundary to the surface
geometry
{
box
{
type distributedTriSurfaceMesh;
file "box.obj"; //"box_12_2.obj";
}
box_trans
{
file "box_trans.obj";
type distributedTriSurfaceMesh;
}
};
// Settings for the castellatedMesh generation.
castellatedMeshControls
{
// Refinement parameters
// ~~~~~~~~~~~~~~~~~~~~~
// If local number of cells is >= maxLocalCells on any processor
// switches from from refinement followed by balancing
// (current method) to (weighted) balancing before refinement.
maxLocalCells 100000;
// Overall cell limit (approximately). Refinement will stop immediately
// upon reaching this number so a refinement level might not complete.
// Note that this is the number of cells before removing the part which
// is not 'visible' from the keepPoint. The final number of cells might
// actually be a lot less.
maxGlobalCells 20000000;
// The surface refinement loop might spend lots of iterations refining just a
// few cells. This setting will cause refinement to stop if <= minimumRefine
// are selected for refinement. Note: it will at least do one iteration
// (unless the number of cells to refine is 0)
minRefinementCells 0;
// Number of buffer layers between different levels.
// 1 means normal 2:1 refinement restriction, larger means slower
// refinement.
nCellsBetweenLevels 1;
// Explicit feature edge refinement
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Specifies a level for any cell intersected by its edges.
// This is a featureEdgeMesh, read from constant/triSurface for now.
features
(
);
// Surface based refinement
// ~~~~~~~~~~~~~~~~~~~~~~~~
// Specifies two levels for every surface. The first is the minimum level,
// every cell intersecting a surface gets refined up to the minimum level.
// The second level is the maximum level. Cells that 'see' multiple
// intersections where the intersections make an
// angle > resolveFeatureAngle get refined up to the maximum level.
refinementSurfaces
{
box
{
// Surface-wise min and max refinement level
level (4 4);
}
box_trans
{
level (5 5);
faceZone box_trans;
cellZone box_trans;
cellZoneInside inside;
}
}
// Resolve sharp angles
resolveFeatureAngle 60;
// Region-wise refinement
// ~~~~~~~~~~~~~~~~~~~~~~
// Specifies refinement level for cells in relation to a surface. One of
// three modes
// - distance. 'levels' specifies per distance to the surface the
// wanted refinement level. The distances need to be specified in
// descending order.
// - inside. 'levels' is only one entry and only the level is used. All
// cells inside the surface get refined up to the level. The surface
// needs to be closed for this to be possible.
// - outside. Same but cells outside.
refinementRegions
{
}
// Mesh selection
// ~~~~~~~~~~~~~~
// After refinement patches get added for all refinementSurfaces and
// all cells intersecting the surfaces get put into these patches. The
// section reachable from the locationInMesh is kept.
// NOTE: This point should never be on a face, always inside a cell, even
// after refinement.
locationInMesh (1e-5 1e-5 1e-5);
// Whether any faceZones (as specified in the refinementSurfaces)
// are only on the boundary of corresponding cellZones or also allow
// free-standing zone faces. Not used if there are no faceZones.
allowFreeStandingZoneFaces false;
}
// Settings for the snapping.
snapControls
{
//- Number of patch smoothing iterations before finding correspondence
// to surface
nSmoothPatch 3;
//- Relative distance for points to be attracted by surface feature point
// or edge. True distance is this factor times local
// maximum edge length.
tolerance 1.0;
//- Number of mesh displacement relaxation iterations.
nSolveIter 30;
//- Maximum number of snapping relaxation iterations. Should stop
// before upon reaching a correct mesh.
nRelaxIter 5;
// Feature snapping
//- Number of feature edge snapping iterations.
// Leave out altogether to disable.
nFeatureSnapIter 2;
//- Detect (geometric) features by sampling the surface (default=false)
implicitFeatureSnap true;
//- Use castellatedMeshControls::features (default = true)
explicitFeatureSnap false;
}
// Settings for the layer addition.
addLayersControls
{
// Are the thickness parameters below relative to the undistorted
// size of the refined cell outside layer (true) or absolute sizes (false).
relativeSizes true;
// Per final patch (so not geometry!) the layer information
layers
{
}
// Expansion factor for layer mesh
expansionRatio 1.0;
// Wanted thickness of final added cell layer. If multiple layers
// is the thickness of the layer furthest away from the wall.
// Relative to undistorted size of cell outside layer.
// is the thickness of the layer furthest away from the wall.
// See relativeSizes parameter.
finalLayerThickness 0.5;
// Minimum thickness of cell layer. If for any reason layer
// cannot be above minThickness do not add layer.
// Relative to undistorted size of cell outside layer.
// See relativeSizes parameter.
minThickness 0.25;
// If points get not extruded do nGrow layers of connected faces that are
// also not grown. This helps convergence of the layer addition process
// close to features.
// Note: changed(corrected) w.r.t 1.7.x! (didn't do anything in 1.7.x)
nGrow 0;
// Advanced settings
// When not to extrude surface. 0 is flat surface, 90 is when two faces
// are perpendicular
featureAngle 60;
// Maximum number of snapping relaxation iterations. Should stop
// before upon reaching a correct mesh.
nRelaxIter 5;
// Number of smoothing iterations of surface normals
nSmoothSurfaceNormals 1;
// Number of smoothing iterations of interior mesh movement direction
nSmoothNormals 3;
// Smooth layer thickness over surface patches
nSmoothThickness 10;
// Stop layer growth on highly warped cells
maxFaceThicknessRatio 0.5;
// Reduce layer growth where ratio thickness to medial
// distance is large
maxThicknessToMedialRatio 0.3;
// Angle used to pick up medial axis points
// Note: changed(corrected) w.r.t 16x! 90 degrees corresponds to 130 in 16x.
minMedianAxisAngle 90;
// Create buffer region for new layer terminations
nBufferCellsNoExtrude 0;
// Overall max number of layer addition iterations. The mesher will exit
// if it reaches this number of iterations; possibly with an illegal
// mesh.
nLayerIter 50;
}
// Generic mesh quality settings. At any undoable phase these determine
// where to undo.
meshQualityControls
{
#include "meshQualityDict"
// Advanced
//- Number of error distribution iterations
nSmoothScale 4;
//- amount to scale back displacement at error points
errorReduction 0.75;
}
// Advanced
// Merge tolerance. Is fraction of overall bounding box of initial mesh.
// Note: the write tolerance needs to be higher than this.
mergeTolerance 1e-6;
// ************************************************************************* //