Clean-up of immersed boundary refinement

This commit is contained in:
Hrvoje Jasak 2018-05-17 12:04:26 +01:00
parent 3210c63bb1
commit 2a90c4f924
3 changed files with 23 additions and 17 deletions

View file

@ -130,8 +130,10 @@ bool immersedBoundaryDynamicRefineSolidBodyMotionFvMesh::update()
bool hasChanged = dynamicPolyRefinementFvMesh::update();
changing(hasChanged);
// If the background mesh has not changed, execute dummy mesh sync
// and mesh motion to re-calculate immersed boundary parameters,
// since the immersed boundary has been moved
// HJ, 17/May/2018
if (!hasChanged)
{
fvMesh::syncUpdateMesh();

View file

@ -57,8 +57,14 @@ Foam::immersedBoundaryRefinement::immersedBoundaryRefinement
)
:
refinementSelection(mesh, dict),
refinementDistance_(readScalar(coeffDict().lookup("refinementDistance"))),
coarseningDistance_(readScalar(coeffDict().lookup("coarseningDistance")))
refinementDistance_
(
readScalar(coeffDict().lookup("refinementDistance"))
),
unrefinementDistance_
(
readScalar(coeffDict().lookup("unrefinementDistance"))
)
{}
@ -110,7 +116,7 @@ Foam::immersedBoundaryRefinement::refinementCellCandidates() const
}
Info<< "Cell distance (min, max): (" << min(cellDistance)
<< " " << max(cellDistance) << ")" << endl;
<< ", " << max(cellDistance) << ")" << endl;
// Create storage for collection of cells. Assume that almost all of the
// cells will be marked to prevent excessive resizing.
@ -144,11 +150,8 @@ Foam::immersedBoundaryRefinement::refinementCellCandidates() const
Foam::Xfer<Foam::labelList>
Foam::immersedBoundaryRefinement::unrefinementPointCandidates() const
{
// Mark all points as unrefinement candidates since only split points may be
// considered for actual unrefinement and since this refinement criterion
// will be usually used in combination with others. VV, 15/Mar/2018.
// All points are unrefinement candidates
// All points are unrefinement candidates (not just split points, these are
// filtered out in polyhedralRefinement engine)
dynamicLabelList unrefinementCandidates(mesh().nPoints());
// Calculate distance to immersed boundary
@ -185,15 +188,16 @@ Foam::immersedBoundaryRefinement::unrefinementPointCandidates() const
}
Info<< "Split point distance(min, max): (" << min(pointDistance)
<< " " << max(pointDistance) << ")" << endl;
<< ", " << max(pointDistance) << ")" << endl;
forAll (pointDistance, pointI)
{
// Coarse live cells next to immersed boundary or dead cells
// Unrefine both live cells and dead cells far from the immersed
// boundary or dead cells
if
(
pointDistance[pointI] < -coarseningDistance_
|| pointDistance[pointI] > SMALL
pointDistance[pointI] < -unrefinementDistance_
|| pointDistance[pointI] > unrefinementDistance_
)
{
unrefinementCandidates.append(pointI);

View file

@ -58,8 +58,8 @@ class immersedBoundaryRefinement
//- Refinement distance to immersed boundary
scalar refinementDistance_;
//- Coarsening distance to immersed boundary
scalar coarseningDistance_;
//- Unrefinement distance to immersed boundary
scalar unrefinementDistance_;
// Private Member Functions