ENH: Reinstated the wallBoundedStreamline function object

Note: performs its own tracking and does not rely on the base particle::trackXXX functions, and uses a local particle position. Look to update to barycentric tracking in the future.
2025-12-28 03:37:59 +00:00 · 2017-09-14 12:02:03 +01:00
parent 2defba00a9
commit d7fd550e61
15 changed files with 545 additions and 609 deletions
--- a/src/functionObjects/field/wallBoundedStreamLine/wallBoundedStreamLineParticleTemplates.C
+++ b/src/functionObjects/field/wallBoundedStreamLine/wallBoundedStreamLineParticleTemplates.C
@ -0,0 +1,150 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
+     \\/     M anipulation  | Copyright (C) 2017 OpenCFD Ltd.
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+\*---------------------------------------------------------------------------*/
+
+// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
+
+template<class TrackCloudType>
+bool Foam::wallBoundedStreamLineParticle::move
+(
+    TrackCloudType& cloud,
+    trackingData& td,
+    const scalar trackTime
+)
+{
+    typename TrackCloudType::particleType& p =
+        static_cast<typename TrackCloudType::particleType&>(*this);
+
+
+    // Check position is inside tet
+    //checkInside();
+
+    td.switchProcessor = false;
+    td.keepParticle = true;
+
+    scalar tEnd = (1.0 - stepFraction())*trackTime;
+    scalar maxDt = mesh().bounds().mag();
+
+    while
+    (
+        td.keepParticle
+    && !td.switchProcessor
+    && lifeTime_ > 0
+    )
+    {
+        // set the lagrangian time-step
+        scalar dt = maxDt;
+
+        --lifeTime_;
+
+        // Get sampled velocity and fields. Store if position changed.
+        vector U = p.sample(td);
+
+        // !user parameter!
+        if (dt < SMALL)
+        {
+            // Force removal
+            lifeTime_ = 0;
+            break;
+        }
+
+
+        if (td.trackLength_ < GREAT)
+        {
+            dt = td.trackLength_;
+        }
+
+
+        scalar fraction = trackToEdge(cloud, td, localPosition_ + dt*U);
+        dt *= fraction;
+
+        tEnd -= dt;
+        stepFraction() = 1.0 - tEnd/trackTime;
+
+
+        if (tEnd <= ROOTVSMALL)
+        {
+            // Force removal
+            lifeTime_ = 0;
+        }
+    }
+
+
+    if (!td.keepParticle || lifeTime_ == 0)
+    {
+        if (lifeTime_ == 0)
+        {
+            if (debug)
+            {
+                Pout<< "wallBoundedStreamLineParticle :"
+                    << " Removing stagnant particle:"
+                    << localPosition_
+                    << " sampled positions:" << sampledPositions_.size()
+                    << endl;
+            }
+            td.keepParticle = false;
+        }
+        else
+        {
+            // Normal exit. Store last position and fields
+            sample(td);
+
+            if (debug)
+            {
+                Pout<< "wallBoundedStreamLineParticle : Removing particle:"
+                    << localPosition_
+                    << " sampled positions:" << sampledPositions_.size()
+                    << endl;
+            }
+        }
+
+        // Transfer particle data into trackingData.
+        {
+            //td.allPositions_.append(sampledPositions_);
+            td.allPositions_.append(vectorList());
+            vectorList& top = td.allPositions_.last();
+            top.transfer(sampledPositions_);
+        }
+
+        forAll(sampledScalars_, i)
+        {
+            //td.allScalars_[i].append(sampledScalars_[i]);
+            td.allScalars_[i].append(scalarList());
+            scalarList& top = td.allScalars_[i].last();
+            top.transfer(sampledScalars_[i]);
+        }
+        forAll(sampledVectors_, i)
+        {
+            //td.allVectors_[i].append(sampledVectors_[i]);
+            td.allVectors_[i].append(vectorList());
+            vectorList& top = td.allVectors_[i].last();
+            top.transfer(sampledVectors_[i]);
+        }
+    }
+
+    return td.keepParticle;
+}
+
+
+// ************************************************************************* //