diff options
Diffstat (limited to 'apps/adrian/cylinder2d_optimized_grid')
| -rw-r--r-- | apps/adrian/cylinder2d_optimized_grid/Makefile | 105 | ||||
| -rw-r--r-- | apps/adrian/cylinder2d_optimized_grid/cylinder2d.cpp | 373 | ||||
| -rw-r--r-- | apps/adrian/cylinder2d_optimized_grid/definitions.mk | 30 | ||||
| -rw-r--r-- | apps/adrian/cylinder2d_optimized_grid/module.mk | 29 |
4 files changed, 0 insertions, 537 deletions
diff --git a/apps/adrian/cylinder2d_optimized_grid/Makefile b/apps/adrian/cylinder2d_optimized_grid/Makefile deleted file mode 100644 index a953954..0000000 --- a/apps/adrian/cylinder2d_optimized_grid/Makefile +++ /dev/null @@ -1,105 +0,0 @@ -# This file is part of the OpenLB library -# -# Copyright (C) 2007 Mathias Krause -# 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. - -########################################################################### -## definitions - -include definitions.mk - -include $(ROOT)/global.mk - -OBJECTS := $(foreach file, $(SRC), $(PWD)/$(file:.cpp=.o)) -DEPS := $(foreach file, $(SRC), $(PWD)/$(file:.cpp=.d)) - -########################################################################### -## all - -all : depend compile link - - -########################################################################### -## dependencies - -depend : $(DEPS) - -$(PWD)/%.d : %.cpp - @echo Create dependencies for $< - @$(SHELL) -ec '$(CXX) -M $(CXXFLAGS) $(IDIR) $< \ - | sed -e "s!$*\.o!$(PWD)\/$*\.o!1" > .tmpfile; \ - cp -f .tmpfile $@;' - -########################################################################### -## compile - -compile : $(OBJECTS) - -$(PWD)/%.o: %.cpp - @echo Compile $< - $(CXX) $(CXXFLAGS) $(IDIR) -c $< -o $@ - -########################################################################### -## clean - -clean : cleanrub cleanobj cleandep - -cleanrub: - @echo Clean rubbish files - @rm -f *~ core .tmpfile tmp/*.* $(OUTPUT) - @rm -f tmp/vtkData/*.* tmp/vtkData/data/*.* tmp/imageData/*.* tmp/gnuplotData/*.* tmp/gnuplotData/data/*.* - -cleanobj: - @echo Clean object files - @rm -f $(OBJECTS) - -cleandep: - @echo Clean dependencies files - @rm -f $(DEPS) - -cleanbuild: - @cd $(ROOT); \ - $(MAKE) cleanlib; - -########################################################################### -## update lib - -$(ROOT)/$(LIBDIR)/lib$(LIB).a : - @cd $(ROOT); \ - $(MAKE) all - -########################################################################### -## link - -link: $(OUTPUT) - -$(OUTPUT): $(OBJECTS) $(ROOT)/$(LIBDIR)/lib$(LIB).a - @echo Link $@ - $(CXX) $(foreach file, $(SRC), $(file:.cpp=.o)) $(LDFLAGS) -L$(ROOT)/$(LIBDIR) -l$(LIB) -lz -o $@ - -########################################################################### -## include dependencies - -ifneq "$(strip $(wildcard *.d))" "" - include $(foreach file,$(DEPS),$(file)) -endif - -########################################################################### -########################################################################### diff --git a/apps/adrian/cylinder2d_optimized_grid/cylinder2d.cpp b/apps/adrian/cylinder2d_optimized_grid/cylinder2d.cpp deleted file mode 100644 index 74ad91b..0000000 --- a/apps/adrian/cylinder2d_optimized_grid/cylinder2d.cpp +++ /dev/null @@ -1,373 +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 = 5; // 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); - createLocalBoundaryCondition2D<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> fineOutflowExtend {1*cylinderD, domainExtend[1]}; - const Vector<T,2> fineOutflowOrigin {domainExtend[0]-1*cylinderD, 0}; - - auto& fineOutflowGrid = coarseGrid.refine(fineOutflowOrigin, fineOutflowExtend, false); - prepareGeometry(fineOutflowGrid, domainOrigin, domainExtend); - - { - const Vector<T,2> origin = fineOutflowGrid.getOrigin(); - const Vector<T,2> extend = fineOutflowGrid.getExtend(); - - const Vector<T,2> extendY = {0,extend[1]}; - - coarseGrid.addFineCoupling(fineOutflowGrid, origin, extendY); - coarseGrid.addCoarseCoupling(fineOutflowGrid, origin + Vector<T,2> {coarseDeltaX,0}, extendY); - - IndicatorCuboid2D<T> refined(extend, origin + Vector<T,2> {2*coarseDeltaX,0}); - coarseGrid.getSuperGeometry().reset(refined); - } - - const Vector<T,2> fineOutflowExtend2 {0.5*cylinderD, domainExtend[1]}; - const Vector<T,2> fineOutflowOrigin2 {domainExtend[0]-0.5*cylinderD, 0}; - - auto& fineOutflowGrid2 = fineOutflowGrid.refine(fineOutflowOrigin2, fineOutflowExtend2, false); - prepareGeometry(fineOutflowGrid2, domainOrigin, domainExtend); - - { - const Vector<T,2> origin = fineOutflowGrid2.getOrigin(); - const Vector<T,2> extend = fineOutflowGrid2.getExtend(); - - const Vector<T,2> extendY = {0,extend[1]}; - - fineOutflowGrid.addFineCoupling(fineOutflowGrid2, origin, extendY); - fineOutflowGrid.addCoarseCoupling(fineOutflowGrid2, origin + Vector<T,2> {coarseDeltaX,0}, extendY); - - IndicatorCuboid2D<T> refined(extend, origin + Vector<T,2> {coarseDeltaX,0}); - fineOutflowGrid.getSuperGeometry().reset(refined); - } - - const Vector<T,2> fineExtend {10.5*cylinderD, domainExtend[1]-2*coarseDeltaX}; - const Vector<T,2> fineOrigin {0.5*cylinderD, coarseDeltaX}; - - auto& fineGrid = coarseGrid.refine(fineOrigin, fineExtend); - prepareGeometry(fineGrid, domainOrigin, domainExtend); - disableRefinedArea(coarseGrid, fineGrid); - - const Vector<T,2> fineExtend2 {5*cylinderD, fineGrid.getExtend()[1]-2*coarseDeltaX}; - const Vector<T,2> fineOrigin2 {1*cylinderD, (domainExtend[1]-fineExtend2[1])/2}; - - auto& fineGrid2 = fineGrid.refine(fineOrigin2, fineExtend2); - prepareGeometry(fineGrid2, domainOrigin, domainExtend); - disableRefinedArea(fineGrid, fineGrid2); - - const Vector<T,2> fineExtend3 {1.25*cylinderD, 1.25*cylinderD}; - const Vector<T,2> fineOrigin3 {cylinderX-fineExtend3[0]/2, cylinderY-fineExtend3[1]/2}; - - auto& fineGrid3 = fineGrid2.refine(fineOrigin3, fineExtend3); - prepareGeometry(fineGrid3, domainOrigin, domainExtend); - disableRefinedArea(fineGrid2, fineGrid3); - - prepareLattice(coarseGrid); - prepareLattice(fineOutflowGrid); - prepareLattice(fineOutflowGrid2); - prepareLattice(fineGrid); - prepareLattice(fineGrid2); - prepareLattice(fineGrid3); - - clout << "Total number of active cells: " << coarseGrid.getActiveVoxelN() << endl; - clout << "Starting simulation..." << endl; - - const int statIter = coarseGrid.getConverter().getLatticeTime(0.5); - 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 == 0 || iT%statIter == 0) { - timer.update(iT); - timer.printStep(); - - getResults("level0_", coarseGrid, iT); - getResults("level1_outflow_", fineOutflowGrid, iT); - getResults("level2_outflow_", fineOutflowGrid2, iT); - getResults("level1_", fineGrid, iT); - getResults("level2_", fineGrid2, iT); - getResults("level3_", fineGrid3, iT); - - takeMeasurements(fineGrid3); - } - } - - timer.stop(); - timer.printSummary(); -} diff --git a/apps/adrian/cylinder2d_optimized_grid/definitions.mk b/apps/adrian/cylinder2d_optimized_grid/definitions.mk deleted file mode 100644 index 6584906..0000000 --- a/apps/adrian/cylinder2d_optimized_grid/definitions.mk +++ /dev/null @@ -1,30 +0,0 @@ -# This file is part of the OpenLB library -# -# Copyright (C) 2007 Mathias Krause -# 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. - - -########################################################################### -########################################################################### -## DEFINITIONS TO BE CHANGED - -ROOT := ../../.. -SRC := cylinder2d.cpp -OUTPUT := cylinder2d diff --git a/apps/adrian/cylinder2d_optimized_grid/module.mk b/apps/adrian/cylinder2d_optimized_grid/module.mk deleted file mode 100644 index 1190482..0000000 --- a/apps/adrian/cylinder2d_optimized_grid/module.mk +++ /dev/null @@ -1,29 +0,0 @@ -# This file is part of the OpenLB library -# -# Copyright (C) 2017 Markus Mohrhard -# 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. - -current_dir := $(dir $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))) - -include global.mk -include rules.mk -include $(addsuffix definitions.mk, $(current_dir)) - -$(eval $(call sample,$(current_dir)$(OUTPUT),$(addprefix $(current_dir), $(SRC)))) |