Development updates

This commit is contained in:
Hrvoje Jasak 2011-05-26 11:31:06 +01:00
parent 712e1410db
commit eebb20739b
3 changed files with 144 additions and 42 deletions

View file

@ -50,7 +50,7 @@ void Foam::RBFMotionSolver::makeControlIDs()
labelList markedPoints(mesh().nPoints(), 0); labelList markedPoints(mesh().nPoints(), 0);
// Mark all points on moving patches with 1 // Mark all points on moving patches with 1
label nMarkedPoints = 0; label nMovingPoints = 0;
forAll (movingPatches_, patchI) forAll (movingPatches_, patchI)
{ {
@ -71,42 +71,43 @@ void Foam::RBFMotionSolver::makeControlIDs()
forAll (mp, i) forAll (mp, i)
{ {
markedPoints[mp[i]] = 1; markedPoints[mp[i]] = 1;
nMarkedPoints++; nMovingPoints++;
} }
} }
// Mark moving points and select control points from moving patches // Mark moving points and select control points from moving patches
movingIDs_.setSize(nMarkedPoints); movingIDs_.setSize(nMovingPoints);
controlIDs_.setSize(nMarkedPoints);
Info << "Total points on moving boundaries: " << nMarkedPoints << endl; Info<< "Total points on moving boundaries: " << nMovingPoints << endl;
const pointField& points = mesh().points(); const pointField& points = mesh().points();
// Re-use counter // Re-use counter to count moving points
nMarkedPoints = 0; // Note: the control points also hold static points in the second part
// of the list if static patches are included in the RBF
// HJ, 24/Mar/2011
nMovingPoints = 0;
// Count moving points first
forAll (markedPoints, i) forAll (markedPoints, i)
{ {
if (markedPoints[i] == 1) if (markedPoints[i] == 1)
{ {
// Grab internal point // Grab internal point
movingIDs_[nMarkedPoints] = i; movingIDs_[nMovingPoints] = i;
nMarkedPoints++; nMovingPoints++;
} }
} }
movingIDs_.setSize(nMarkedPoints); movingIDs_.setSize(nMovingPoints);
// Actual location of moving points will be set later on request // Actual location of moving points will be set later on request
// HJ, 19/Dec/2008 // HJ, 19/Dec/2008
movingPoints_.setSize(nMarkedPoints, vector::zero); movingPoints_.setSize(nMovingPoints, vector::zero);
motion_.setSize(nMarkedPoints, vector::zero);
// Re-use counter
nMarkedPoints = 0;
// Mark all points on static patches with -1 // Mark all points on static patches with -1
label nStaticPoints = 0;
forAll (staticPatches_, patchI) forAll (staticPatches_, patchI)
{ {
// Find the patch in boundary // Find the patch in boundary
@ -126,14 +127,34 @@ void Foam::RBFMotionSolver::makeControlIDs()
forAll (mp, i) forAll (mp, i)
{ {
markedPoints[mp[i]] = -1; markedPoints[mp[i]] = -1;
nMarkedPoints++; nStaticPoints++;
} }
} }
Info << "Total points on static boundaries: " << nMarkedPoints << endl; Info<< "Total points on static boundaries: " << nStaticPoints << endl;
staticIDs_.setSize(nStaticPoints);
// Re-use counter // Re-use counter
nMarkedPoints = 0; nStaticPoints = 0;
// Count total number of control points
forAll (markedPoints, i)
{
if (markedPoints[i] == -1)
{
staticIDs_[nStaticPoints] = i;
nStaticPoints++;
}
}
staticIDs_.setSize(nStaticPoints);
// Control IDs also potentially include points on static patches
// HJ, 24/Mar/2011
controlIDs_.setSize(movingIDs_.size() + staticIDs_.size());
motion_.setSize(controlIDs_.size(), vector::zero);
label nControlPoints = 0;
forAll (movingPatches_, patchI) forAll (movingPatches_, patchI)
{ {
@ -151,21 +172,53 @@ void Foam::RBFMotionSolver::makeControlIDs()
) )
{ {
// Pick point as control point // Pick point as control point
controlIDs_[nMarkedPoints] = mp[pickedPoint]; controlIDs_[nControlPoints] = mp[pickedPoint];
// Mark the point as picked // Mark the point as picked
markedPoints[mp[pickedPoint]] = 2; markedPoints[mp[pickedPoint]] = 2;
nMarkedPoints++; nControlPoints++;
} }
} }
Info << "Selected " << nMarkedPoints << " control points" << endl; Info<< "Selected " << nControlPoints
<< " control points on moving boundaries" << endl;
if (includeStaticPatches_)
{
forAll (staticPatches_, patchI)
{
// Find the patch in boundary
label patchIndex =
mesh().boundaryMesh().findPatchID(staticPatches_[patchI]);
const labelList& mp =
mesh().boundaryMesh()[patchIndex].meshPoints();
for
(
label pickedPoint = 0;
pickedPoint < mp.size();
pickedPoint += coarseningRatio_
)
{
// Pick point as control point
controlIDs_[nControlPoints] = mp[pickedPoint];
// Mark the point as picked
markedPoints[mp[pickedPoint]] = 2;
nControlPoints++;
}
}
Info<< "Selected " << nControlPoints
<< " total control points" << endl;
}
// Resize control IDs // Resize control IDs
controlIDs_.setSize(nMarkedPoints); controlIDs_.setSize(nControlPoints);
// Pick up point locations // Pick up point locations
controlPoints_.setSize(nMarkedPoints); controlPoints_.setSize(nControlPoints);
// Set control points // Set control points
forAll (controlIDs_, i) forAll (controlIDs_, i)
@ -177,25 +230,25 @@ void Foam::RBFMotionSolver::makeControlIDs()
internalIDs_.setSize(points.size()); internalIDs_.setSize(points.size());
internalPoints_.setSize(points.size()); internalPoints_.setSize(points.size());
// Re-use counter // Count internal points
nMarkedPoints = 0; label nInternalPoints = 0;
forAll (markedPoints, i) forAll (markedPoints, i)
{ {
if (markedPoints[i] == 0) if (markedPoints[i] == 0)
{ {
// Grab internal point // Grab internal point
internalIDs_[nMarkedPoints] = i; internalIDs_[nInternalPoints] = i;
internalPoints_[nMarkedPoints] = points[i]; internalPoints_[nInternalPoints] = points[i];
nMarkedPoints++; nInternalPoints++;
} }
} }
Info << "Number of internal points: " << nMarkedPoints << endl; Info << "Number of internal points: " << nInternalPoints << endl;
// Resize the lists // Resize the lists
internalIDs_.setSize(nMarkedPoints); internalIDs_.setSize(nInternalPoints);
internalPoints_.setSize(nMarkedPoints); internalPoints_.setSize(nInternalPoints);
} }
@ -223,8 +276,11 @@ Foam::RBFMotionSolver::RBFMotionSolver
movingPatches_(lookup("movingPatches")), movingPatches_(lookup("movingPatches")),
staticPatches_(lookup("staticPatches")), staticPatches_(lookup("staticPatches")),
coarseningRatio_(readLabel(lookup("coarseningRatio"))), coarseningRatio_(readLabel(lookup("coarseningRatio"))),
includeStaticPatches_(lookup("includeStaticPatches")),
frozenInterpolation_(lookup("frozenInterpolation")),
movingIDs_(0), movingIDs_(0),
movingPoints_(0), movingPoints_(0),
staticIDs_(0),
controlIDs_(0), controlIDs_(0),
controlPoints_(0), controlPoints_(0),
internalIDs_(0), internalIDs_(0),
@ -251,11 +307,39 @@ Foam::RBFMotionSolver::~RBFMotionSolver()
void Foam::RBFMotionSolver::setMotion(const vectorField& m) void Foam::RBFMotionSolver::setMotion(const vectorField& m)
{ {
motion_ = m; if (m.size() != movingIDs_.size())
{
FatalErrorIn
(
"void RBFMotionSolver::setMotion(const vectorField& m)"
) << "Incorrect size of motion points: m = " << m.size()
<< " movingIDs = " << movingIDs_.size()
<< abort(FatalError);
}
// Motion of static points is zero and moving points are first
// in the list. HJ, 24/Mar/2011
motion_ = vector::zero;
forAll (m, i)
{
motion_[i] = m[i];
}
if (!frozenInterpolation_)
{
// Set control points
const pointField& points = mesh().points();
forAll (controlIDs_, i)
{
controlPoints_[i] = points[controlIDs_[i]];
}
// Re-calculate interpolation // Re-calculate interpolation
interpolation_.movePoints(); interpolation_.movePoints();
} }
}
const Foam::vectorField& Foam::RBFMotionSolver::movingPoints() const const Foam::vectorField& Foam::RBFMotionSolver::movingPoints() const
@ -270,26 +354,33 @@ const Foam::vectorField& Foam::RBFMotionSolver::movingPoints() const
Foam::tmp<Foam::pointField> Foam::RBFMotionSolver::curPoints() const Foam::tmp<Foam::pointField> Foam::RBFMotionSolver::curPoints() const
{ {
// Prepare new points: same as old point // Prepare new points: same as old point
tmp<pointField> tnewPoints tmp<pointField> tcurPoints
( (
new vectorField(mesh().nPoints(), vector::zero) new vectorField(mesh().nPoints(), vector::zero)
); );
pointField& newPoints = tnewPoints(); pointField& curPoints = tcurPoints();
// Add motion to existing points // Add motion to existing points
// 1. Insert prescribed motion of moving points // 1. Insert prescribed motion of moving points
forAll (movingIDs_, i) forAll (movingIDs_, i)
{ {
newPoints[movingIDs_[i]] = motion_[i]; curPoints[movingIDs_[i]] = motion_[i];
} }
// 2. Insert zero motion of static points
forAll (staticIDs_, i)
{
curPoints[staticIDs_[i]] = vector::zero;
}
// Set motion of control
vectorField motionOfControl(controlIDs_.size()); vectorField motionOfControl(controlIDs_.size());
// 2. Capture positions of control points // 2. Capture positions of control points
forAll (controlIDs_, i) forAll (controlIDs_, i)
{ {
motionOfControl[i] = newPoints[controlIDs_[i]]; motionOfControl[i] = curPoints[controlIDs_[i]];
} }
// Call interpolation // Call interpolation
@ -299,13 +390,15 @@ Foam::tmp<Foam::pointField> Foam::RBFMotionSolver::curPoints() const
// 3. Insert RBF interpolated motion // 3. Insert RBF interpolated motion
forAll (internalIDs_, i) forAll (internalIDs_, i)
{ {
newPoints[internalIDs_[i]] = interpolatedMotion[i]; curPoints[internalIDs_[i]] = interpolatedMotion[i];
} }
// 4. Add old point positions // 4. Add old point positions
newPoints += mesh().points(); curPoints += mesh().points();
return tnewPoints; twoDCorrectPoints(tcurPoints());
return tcurPoints;
} }

View file

@ -67,12 +67,21 @@ class RBFMotionSolver
//- Coarsening ratio //- Coarsening ratio
label coarseningRatio_; label coarseningRatio_;
//- Include zero motion of static patches in RBF interpolation
Switch includeStaticPatches_;
//- Frozen interpolation
Switch frozenInterpolation_;
//- Moving point IDs //- Moving point IDs
labelList movingIDs_; labelList movingIDs_;
//- Moving points on the boundary //- Moving points on the boundary
mutable vectorField movingPoints_; mutable vectorField movingPoints_;
//- Static point IDs
labelList staticIDs_;
//- Control point IDs //- Control point IDs
labelList controlIDs_; labelList controlIDs_;