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ENH: Parcel tracking - allow track to continue in the event of a tracking rescue

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This commit is contained in:
andy
2014-05-19 17:35:27 +01:00
committed by Andrew Heather
parent 98b9eaac98
commit e775be6e1c
2 changed files with 33 additions and 10 deletions
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37
src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcel.C
View File

@ -2,7 +2,7 @@
========= | ========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | \\ / O peration |
\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation \\ / A nd | Copyright (C) 2011-2014 OpenFOAM Foundation
\\/ M anipulation | \\/ M anipulation |
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
License License
@ -28,6 +28,12 @@ License
#include "IntegrationScheme.H" #include "IntegrationScheme.H"
#include "meshTools.H" #include "meshTools.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
template<class ParcelType>
Foam::label Foam::KinematicParcel<ParcelType>::maxTrackAttempts = 1;
// * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * * // // * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * * //
template<class ParcelType> template<class ParcelType>
@ -271,7 +277,8 @@ bool Foam::KinematicParcel<ParcelType>::move
scalar tEnd = (1.0 - p.stepFraction())*trackTime; scalar tEnd = (1.0 - p.stepFraction())*trackTime;
const scalar dtMax = tEnd; const scalar dtMax = tEnd;
bool moving = true; bool tracking = true;
label nTrackingStalled = 0;
while (td.keepParticle && !td.switchProcessor && tEnd > ROOTVSMALL) while (td.keepParticle && !td.switchProcessor && tEnd > ROOTVSMALL)
{ {
@ -287,7 +294,7 @@ bool Foam::KinematicParcel<ParcelType>::move
const label cellI = p.cell(); const label cellI = p.cell();
const scalar magU = mag(U_); const scalar magU = mag(U_);
if (p.active() && moving && (magU > ROOTVSMALL)) if (p.active() && tracking && (magU > ROOTVSMALL))
{ {
const scalar d = dt*magU; const scalar d = dt*magU;
const scalar dCorr = min(d, maxCo*cellLengthScale[cellI]); const scalar dCorr = min(d, maxCo*cellLengthScale[cellI]);
@ -300,13 +307,25 @@ bool Foam::KinematicParcel<ParcelType>::move
scalar newStepFraction = 1.0 - tEnd/trackTime; scalar newStepFraction = 1.0 - tEnd/trackTime;
if if (tracking)
(
mag(p.stepFraction() - newStepFraction)
< particle::minStepFractionTol
)
{ {
moving = false; if
(
mag(p.stepFraction() - newStepFraction)
< particle::minStepFractionTol
)
{
nTrackingStalled++;
if (nTrackingStalled > maxTrackAttempts)
{
tracking = false;
}
}
else
{
nTrackingStalled = 0;
}
} }
p.stepFraction() = newStepFraction; p.stepFraction() = newStepFraction;

6
src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcel.H
View File

@ -2,7 +2,7 @@
========= | ========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | \\ / O peration |
\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation \\ / A nd | Copyright (C) 2011-2014 OpenFOAM Foundation
\\/ M anipulation | \\/ M anipulation |
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
License License
@ -218,6 +218,10 @@ public:
}; };
//- Number of particle tracking attempts before we assume that it stalls
static label maxTrackAttempts;
protected: protected:
// Protected data // Protected data