Restructure refined cylinder2d example folders

1 files changed, 0 insertions, 339 deletions

diff --git a/apps/adrian/cylinder2d/cylinder2d.cpp b/apps/adrian/cylinder2d/cylinder2d.cpp
deleted file mode 100644
index 5b67408..0000000
--- a/apps/adrian/cylinder2d/cylinder2d.cpp
+++ /dev/null
@@ -1,339 +0,0 @@
-/*
- *  Lattice Boltzmann grid refinement sample, written in C++,
- *  using the OpenLB library
- *
- *  Copyright (C) 2019 Adrian Kummerländer
- *  E-mail contact: info@openlb.net
- *  The most recent release of OpenLB can be downloaded at
- *  <http://www.openlb.net/>
- *
- *  This program 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 2
- *  of the License, or (at your option) any later version.
- *
- *  This program 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 this program; if not, write to the Free
- *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- *  Boston, MA  02110-1301, USA.
- */
-
-#include "olb2D.h"
-#ifndef OLB_PRECOMPILED
-#include "olb2D.hh"
-#endif
-
-#include <vector>
-
-using namespace olb;
-
-typedef double T;
-
-#define DESCRIPTOR descriptors::D2Q9Descriptor
-
-/// Setup geometry relative to cylinder diameter as defined by [SchaeferTurek96]
-const T   cylinderD = 0.1;
-const int N         = 10;                      // resolution of the cylinder
-const T   deltaR    = cylinderD / N;          // coarse lattice spacing
-const T   lx        = 22*cylinderD + deltaR;  // length of the channel
-const T   ly        = 4.1*cylinderD + deltaR; // height of the channel
-const T   cylinderX = 2*cylinderD;
-const T   cylinderY = 2*cylinderD + deltaR/2;
-
-const T   Re        = 100.;                   // Reynolds number
-const T   tau       = 0.51;                   // relaxation time
-const T   maxPhysT  = 16.;                    // max. simulation time in s, SI unit
-
-const Characteristics<T> PhysCharacteristics(
-  0.1,         // char. phys. length
-  1.0,         // char. phys. velocity
-  0.1/Re,      // phsy. kinematic viscosity
-  1.0);        // char. phys. density
-
-void prepareGeometry(Grid2D<T,DESCRIPTOR>& grid, Vector<T,2> origin, Vector<T,2> extend)
-{
-  OstreamManager clout(std::cout,"prepareGeometry");
-  clout << "Prepare Geometry ..." << std::endl;
-
-  auto& converter = grid.getConverter();
-  auto& sGeometry = grid.getSuperGeometry();
-
-  sGeometry.rename(0,1);
-
-  const T physSpacing = converter.getPhysDeltaX();
-
-  // Set material number for channel walls
-  {
-    const Vector<T,2> wallExtend { extend[0]+physSpacing/2, physSpacing/2 };
-    const Vector<T,2> wallOrigin = origin - physSpacing/4;
-
-    IndicatorCuboid2D<T> lowerWall(wallExtend, wallOrigin);
-    sGeometry.rename(1,2,lowerWall);
-  }
-  {
-    const Vector<T,2> wallExtend { extend[0]+physSpacing/2, physSpacing/2 };
-    const Vector<T,2> wallOrigin { origin[0]-physSpacing/4, extend[1]-physSpacing/4 };
-
-    IndicatorCuboid2D<T> upperWall(wallExtend, wallOrigin);
-    sGeometry.rename(1,2,upperWall);
-  }
-
-  // Set material number for inflow and outflow
-  {
-    const Vector<T,2> inflowExtend { physSpacing/2, extend[1]+physSpacing/4 };
-    const Vector<T,2> inflowOrigin = origin - physSpacing/4;
-
-    IndicatorCuboid2D<T> inflow(inflowExtend, inflowOrigin);
-    sGeometry.rename(1,3,inflow);
-  }
-  {
-    const Vector<T,2> outflowExtend { physSpacing/2, extend[1]+physSpacing/4 };
-    const Vector<T,2> outflowOrigin { extend[0]-physSpacing/4, origin[0]-physSpacing/4 };
-
-    IndicatorCuboid2D<T> outflow(outflowExtend, outflowOrigin);
-    sGeometry.rename(1,4,outflow);
-  }
-
-  // Set material number for vertically centered cylinder
-  {
-    const Vector<T,2> cylinderOrigin = origin + Vector<T,2> {cylinderX, cylinderY};
-    IndicatorCircle2D<T> obstacle(cylinderOrigin, cylinderD/2);
-    sGeometry.rename(1,5,obstacle);
-  }
-
-  sGeometry.clean();
-  sGeometry.innerClean();
-  sGeometry.checkForErrors();
-
-  clout << "Prepare Geometry ... OK" << std::endl;
-}
-
-void disableRefinedArea(Grid2D<T,DESCRIPTOR>& coarseGrid,
-                        RefiningGrid2D<T,DESCRIPTOR>& fineGrid)
-{
-  auto& sGeometry = coarseGrid.getSuperGeometry();
-  auto refinedOverlap = fineGrid.getRefinedOverlap();
-  sGeometry.reset(*refinedOverlap);
-}
-
-void prepareLattice(Grid2D<T,DESCRIPTOR>& grid)
-{
-  OstreamManager clout(std::cout,"prepareLattice");
-  clout << "Prepare lattice ..." << std::endl;
-
-  auto& converter = grid.getConverter();
-  auto& sGeometry = grid.getSuperGeometry();
-  auto& sLattice  = grid.getSuperLattice();
-
-  Dynamics<T,DESCRIPTOR>& bulkDynamics = grid.addDynamics(
-      std::unique_ptr<Dynamics<T,DESCRIPTOR>>(
-        new BGKdynamics<T,DESCRIPTOR>(
-          grid.getConverter().getLatticeRelaxationFrequency(),
-          instances::getBulkMomenta<T,DESCRIPTOR>())));
-
-  sOnLatticeBoundaryCondition2D<T,DESCRIPTOR>& sBoundaryCondition = grid.getOnLatticeBoundaryCondition();
-  createInterpBoundaryCondition2D<T,DESCRIPTOR>(sBoundaryCondition);
-
-  const T omega = converter.getLatticeRelaxationFrequency();
-
-  sLattice.defineDynamics(sGeometry, 0, &instances::getNoDynamics<T,DESCRIPTOR>());
-  sLattice.defineDynamics(sGeometry, 1, &bulkDynamics); // bulk
-  sLattice.defineDynamics(sGeometry, 2, &bulkDynamics); // walls
-  sLattice.defineDynamics(sGeometry, 3, &bulkDynamics); // inflow
-  sLattice.defineDynamics(sGeometry, 4, &bulkDynamics); // outflow
-  sLattice.defineDynamics(sGeometry, 5, &instances::getBounceBack<T,DESCRIPTOR>()); // cylinder
-
-  sBoundaryCondition.addVelocityBoundary(sGeometry, 2, omega);
-  sBoundaryCondition.addVelocityBoundary(sGeometry, 3, omega);
-  sBoundaryCondition.addPressureBoundary(sGeometry, 4, omega);
-
-  AnalyticalConst2D<T,T> rho0(1.0);
-  AnalyticalConst2D<T,T> u0(0.0, 0.0);
-
-  auto materials = sGeometry.getMaterialIndicator({1, 2, 3, 4});
-  sLattice.defineRhoU(materials, rho0, u0);
-  sLattice.iniEquilibrium(materials, rho0, u0);
-
-  sLattice.initialize();
-
-  clout << "Prepare lattice ... OK" << std::endl;
-  sGeometry.print();
-}
-
-void setBoundaryValues(Grid2D<T,DESCRIPTOR>& grid, int iT)
-{
-  auto& converter = grid.getConverter();
-  auto& sGeometry = grid.getSuperGeometry();
-  auto& sLattice  = grid.getSuperLattice();
-
-  const int iTmaxStart = converter.getLatticeTime(0.4*16);
-  const int iTupdate = 5;
-
-  if ( iT % iTupdate == 0 && iT <= iTmaxStart ) {
-    PolynomialStartScale<T,T> StartScale(iTmaxStart, 1);
-
-    T iTvec[1] { T(iT) };
-    T frac[1] { };
-    StartScale(frac, iTvec);
-
-    const T maxVelocity = converter.getCharLatticeVelocity() * 3./2. * frac[0];
-    Poiseuille2D<T> u(sGeometry, 3, maxVelocity, deltaR/2);
-
-    sLattice.defineU(sGeometry, 3, u);
-  }
-}
-
-void getResults(const std::string& prefix,
-                Grid2D<T,DESCRIPTOR>& grid,
-                int iT)
-{
-  OstreamManager clout(std::cout,"getResults");
-
-  auto& converter = grid.getConverter();
-  auto& sLattice  = grid.getSuperLattice();
-  auto& sGeometry = grid.getSuperGeometry();
-
-  SuperVTMwriter2D<T> vtmWriter(prefix + "cylinder2d");
-  SuperLatticePhysVelocity2D<T,DESCRIPTOR> velocity(sLattice, converter);
-  SuperLatticePhysPressure2D<T,DESCRIPTOR> pressure(sLattice, converter);
-  SuperLatticeGeometry2D<T,DESCRIPTOR> geometry(sLattice, sGeometry);
-  SuperLatticeKnudsen2D<T,DESCRIPTOR> knudsen(sLattice);
-  vtmWriter.addFunctor(geometry);
-  vtmWriter.addFunctor(velocity);
-  vtmWriter.addFunctor(pressure);
-  vtmWriter.addFunctor(knudsen);
-
-  if (iT==0) {
-    vtmWriter.createMasterFile();
-  }
-
-  vtmWriter.write(iT);
-}
-
-void takeMeasurements(Grid2D<T,DESCRIPTOR>& grid)
-{
-  static T maxDrag = 0.0;
-
-  OstreamManager clout(std::cout,"measurement");
-
-  auto& sLattice  = grid.getSuperLattice();
-  auto& sGeometry = grid.getSuperGeometry();
-  auto& converter = grid.getConverter();
-
-  SuperLatticePhysPressure2D<T,DESCRIPTOR> pressure(sLattice, converter);
-  AnalyticalFfromSuperF2D<T> intpolatePressure(pressure, true);
-  SuperLatticePhysDrag2D<T,DESCRIPTOR> dragF(sLattice, sGeometry, 5, converter);
-
-  const T radiusCylinder  = cylinderD/2;
-
-  const T point1[2] { cylinderX - radiusCylinder, cylinderY };
-  const T point2[2] { cylinderX + radiusCylinder, cylinderY };
-
-  T pressureInFrontOfCylinder, pressureBehindCylinder;
-  intpolatePressure(&pressureInFrontOfCylinder, point1);
-  intpolatePressure(&pressureBehindCylinder,    point2);
-
-  T pressureDrop = pressureInFrontOfCylinder - pressureBehindCylinder;
-  clout << "pressureDrop=" << pressureDrop;
-
-  const int input[3] {};
-  T drag[dragF.getTargetDim()] {};
-  dragF(drag, input);
-  if (drag[0] > maxDrag) {
-    maxDrag = drag[0];
-  };
-  clout << "; drag=" << drag[0] << "; maxDrag: " << maxDrag << "; lift=" << drag[1] << endl;
-}
-
-int main(int argc, char* argv[])
-{
-  olbInit(&argc, &argv);
-  singleton::directories().setOutputDir("./tmp/");
-  OstreamManager clout(std::cout,"main");
-
-  const Vector<T,2> coarseOrigin {0.0, 0.0};
-  const Vector<T,2> coarseExtend {lx, ly};
-  IndicatorCuboid2D<T> coarseCuboid(coarseExtend, coarseOrigin);
-
-  Grid2D<T,DESCRIPTOR> coarseGrid(
-    coarseCuboid,
-    RelaxationTime<T>(tau),
-    N,
-    PhysCharacteristics);
-  const Vector<T,2> domainOrigin = coarseGrid.getSuperGeometry().getStatistics().getMinPhysR(0);
-  const Vector<T,2> domainExtend = coarseGrid.getSuperGeometry().getStatistics().getPhysExtend(0);
-
-  prepareGeometry(coarseGrid, domainOrigin, domainExtend);
-
-  const auto coarseDeltaX = coarseGrid.getConverter().getPhysDeltaX();
-
-  const Vector<T,2> fineExtend {10*cylinderD, domainExtend[1]-4*coarseDeltaX};
-  const Vector<T,2> fineOrigin {0.5*cylinderD, (domainExtend[1]-fineExtend[1])/2};
-
-  auto& fineGrid = coarseGrid.refine(fineOrigin, fineExtend);
-  prepareGeometry(fineGrid, domainOrigin, domainExtend);
-  disableRefinedArea(coarseGrid, fineGrid);
-
-  const Vector<T,2> fineExtend2 {6*cylinderD, fineGrid.getExtend()[1]-4*coarseDeltaX};
-  const Vector<T,2> fineOrigin2 {0.75*cylinderD, (domainExtend[1]-fineExtend2[1])/2};
-
-  auto& fineGrid2 = fineGrid.refine(fineOrigin2, fineExtend2);
-  prepareGeometry(fineGrid2, domainOrigin, domainExtend);
-  disableRefinedArea(fineGrid, fineGrid2);
-
-  const Vector<T,2> fineExtend3 {4*cylinderD, 2*cylinderD};
-  const Vector<T,2> fineOrigin3 {1*cylinderD, (domainExtend[1]-fineExtend3[1])/2};
-
-  auto& fineGrid3 = fineGrid2.refine(fineOrigin3, fineExtend3);
-  prepareGeometry(fineGrid3, domainOrigin, domainExtend);
-  disableRefinedArea(fineGrid2, fineGrid3);
-
-  const Vector<T,2> fineExtend4 {1.25*cylinderD, 1.25*cylinderD};
-  const Vector<T,2> fineOrigin4 {cylinderX - fineExtend4[0]/2, cylinderY - fineExtend4[1]/2};
-
-  auto& fineGrid4 = fineGrid3.refine(fineOrigin4, fineExtend4);
-  prepareGeometry(fineGrid4, domainOrigin, domainExtend);
-  disableRefinedArea(fineGrid3, fineGrid4);
-
-  prepareLattice(coarseGrid);
-  prepareLattice(fineGrid);
-  prepareLattice(fineGrid2);
-  prepareLattice(fineGrid3);
-  prepareLattice(fineGrid4);
-
-  clout << "Total number of active cells: " << coarseGrid.getActiveVoxelN() << endl;
-  clout << "Starting simulation..." << endl;
-
-  const int statIter = coarseGrid.getConverter().getLatticeTime(0.05);
-  Timer<T> timer(
-    coarseGrid.getConverter().getLatticeTime(maxPhysT),
-    coarseGrid.getSuperGeometry().getStatistics().getNvoxel());
-  timer.start();
-
-  for (int iT = 0; iT <= coarseGrid.getConverter().getLatticeTime(maxPhysT); ++iT) {
-    setBoundaryValues(coarseGrid, iT);
-
-    coarseGrid.collideAndStream();
-
-    if (iT%statIter == 0) {
-      timer.update(iT);
-      timer.printStep();
-
-      getResults("level0_", coarseGrid, iT);
-      getResults("level1_", fineGrid,   iT);
-      getResults("level2_", fineGrid2,  iT);
-      getResults("level3_", fineGrid3,  iT);
-      getResults("level4_", fineGrid4,  iT);
-
-      takeMeasurements(fineGrid4);
-    }
-  }
-
-  timer.stop();
-  timer.printSummary();
-}