[ADD] film specimen app

apps/benchmarks/CMakeLists.txt

 add_subdirectory( AdaptiveMeshRefinementFluidParticleCoupling )
+add_subdirectory( CNT )
 add_subdirectory( ComplexGeometry )
 add_subdirectory( DEM )
 add_subdirectory( MeshDistance )

apps/benchmarks/CNT/01_cnt_film.cpp

+//======================================================================================================================
+//
+//  This file is part of waLBerla. waLBerla 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.
+//
+//  waLBerla 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 waLBerla (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file
+//! \author Igor Ostanin <i.ostanin@skoltech.ru>
+//! \author Grigorii Drozdov <drozd013@umn.edu>
+//! \author Sebastian Eibl <sebastian.eibl@fau.de>
+//
+//======================================================================================================================
+
+#include "Config.h"
+#include "InitializeCNTs.h"
+#include "SphericalSegmentAccessor.h"
+#include "SQLProperties.h"
+#include "Statistics.h"
+#include "TerminalColors.h"
+
+#include "mesa_pd/domain/BlockForestDomain.h"
+#include "mesa_pd/data/Flags.h"
+#include "mesa_pd/data/LinkedCells.h"
+#include "mesa_pd/data/ParticleStorage.h"
+#include "mesa_pd/data/SparseLinkedCells.h"
+#include <mesa_pd/kernel/AssocToBlock.h>
+#include "mesa_pd/kernel/InsertParticleIntoLinkedCells.h"
+#include "mesa_pd/kernel/InsertParticleIntoSparseLinkedCells.h"
+#include "mesa_pd/kernel/ParticleSelector.h"
+#include "mesa_pd/kernel/cnt/AnisotropicVDWContact.h"
+#include "mesa_pd/kernel/cnt/VBondContact.h"
+#include "mesa_pd/kernel/cnt/ViscousDamping.h"
+#include "mesa_pd/kernel/cnt/Parameters.h"
+#include "mesa_pd/kernel/PFCDamping.h"
+#include "mesa_pd/kernel/VelocityVerlet.h"
+#include "mesa_pd/mpi/ContactFilter.h"
+#include "mesa_pd/mpi/notifications/ForceTorqueNotification.h"
+#include "mesa_pd/mpi/ReduceProperty.h"
+#include "mesa_pd/mpi/SyncNextNeighbors.h"
+#include "mesa_pd/sorting/LinearizedCompareFunctor.h"
+#include "mesa_pd/vtk/ParticleVtkOutput.h"
+
+#include "blockforest/Initialization.h"
+#include "core/Environment.h"
+#include "core/math/Constants.h"
+#include "core/timing/TimingPool.h"
+#include "core/timing/TimingTree.h"
+#include "sqlite/SQLite.h"
+#include "vtk/VTKOutput.h"
+
+namespace walberla {
+namespace mesa_pd {
+
+int main(int argc, char **argv)
+{
+   Environment env(argc, argv);
+   walberla::mpi::MPIManager::instance()->useWorldComm();
+
+   logging::Logging::instance()->setStreamLogLevel(logging::Logging::INFO);
+   logging::Logging::instance()->setFileLogLevel(logging::Logging::INFO);
+
+   WcTimingPool globalTP;
+   WcTimingPool loopTP;
+   WcTimingTree tt;
+
+   WALBERLA_LOG_INFO_ON_ROOT("loading configuration parameters");
+   globalTP["load config"].start();
+   //---------------Generation of CNT configuration-----------------------------
+   FilmSpecimen filmSpecimen; // Data structure for CNT film
+   auto cfg = env.config();
+   if (cfg == nullptr)
+   WALBERLA_ABORT("No config specified!");
+   const Config::BlockHandle cntConf = cfg->getBlock("CNT");
+   loadFromConfig(filmSpecimen, cntConf);
+   //===========================================================================
+   globalTP["load config"].end();
+
+   WALBERLA_LOG_INFO_ON_ROOT("creating domain setup");
+   globalTP["domain setup"].start();
+   Vector3<bool> periodicity = Vector3<bool>(true, true, false);
+   if (filmSpecimen.oopp) periodicity[2] = true;
+   real_t maxZ = filmSpecimen.sizeZ;
+   real_t minZ = 0;
+   if (!filmSpecimen.oopp)
+   {
+      maxZ += real_c(filmSpecimen.numSegs) * filmSpecimen.spacing;
+      minZ -= real_c(filmSpecimen.numSegs) * filmSpecimen.spacing;
+   }
+
+   auto forest = blockforest::createBlockForest(
+         AABB(0, 0, minZ, filmSpecimen.sizeX, filmSpecimen.sizeY, maxZ), // simulation domain
+         Vector3<uint_t>(filmSpecimen.numBlocksX, filmSpecimen.numBlocksY, filmSpecimen.numBlocksZ), // blocks in each direction
+         periodicity // periodicity
+   );
+   if (!forest) WALBERLA_ABORT("No BlockForest created ... exiting!");
+
+   auto domain = std::make_shared<domain::BlockForestDomain> (forest);
+
+   auto simulationDomain = forest->getDomain();
+   WALBERLA_UNUSED(simulationDomain);
+   auto localDomain = forest->begin()->getAABB();
+   for (auto& blk : *forest)
+   {
+      localDomain.merge(blk.getAABB());
+   }
+   globalTP["domain setup"].end();
+
+   WALBERLA_LOG_INFO_ON_ROOT("creating initial particle setup");
+   globalTP["generate CNT"].start();
+   auto ps = std::make_shared<data::ParticleStorage>(10);
+   auto ac = SphericalSegmentAccessor(ps);
+   auto lc = data::SparseLinkedCells(localDomain.getExtended(4_r * kernel::cnt::outer_radius), 4_r * kernel::cnt::outer_radius );
+
+   int64_t numParticles = 0;
+   if (filmSpecimen.initialConfigurationFile.empty())
+   {
+      numParticles = generateCNTs(filmSpecimen, ps, *domain);
+   } else
+   {
+      numParticles = loadCNTs(filmSpecimen.initialConfigurationFile, ps);
+   }
+   walberla::mpi::reduceInplace(numParticles, walberla::mpi::SUM);
+   WALBERLA_LOG_INFO_ON_ROOT("#particles created: " << numParticles);
+   globalTP["generate CNT"].end();
+
+   WALBERLA_LOG_INFO_ON_ROOT("setting up VTK output");
+   auto vtkOutput = make_shared<mesa_pd::vtk::ParticleVtkOutput>(ps);
+   vtkOutput->addOutput<data::SelectParticlePosition>("position");
+   auto vtkWriter = walberla::vtk::createVTKOutput_PointData(vtkOutput,
+                                                             "cnt",
+                                                             1,
+                                                             filmSpecimen.vtkFolder,
+                                                             "simulation_step",
+                                                             true,
+                                                             true,
+                                                             true,
+                                                             filmSpecimen.useMPIIO);
+
+   WALBERLA_LOG_INFO_ON_ROOT("setting up interaction models");
+   kernel::InsertParticleIntoSparseLinkedCells ipilc;
+   kernel::cnt::AnisotropicVDWContact anisotropicVdwContact;
+   kernel::cnt::VBondContact vBondContact;
+   kernel::cnt::ViscousDamping viscous_damping(filmSpecimen.viscousDamping * 1052.0_r,
+                                               filmSpecimen.viscousDamping * 1052.0_r);
+   kernel::PFCDamping pfcDamping(filmSpecimen.localDamping);
+   kernel::VelocityVerletPreForceUpdate  vv_pre(kernel::cnt::dT);
+   kernel::VelocityVerletPostForceUpdate vv_post(kernel::cnt::dT);
+   mpi::ContactFilter                    contactFilter;
+   mpi::ReduceProperty                   RP;
+   mpi::SyncNextNeighbors                SNN;
+
+   WALBERLA_LOG_INFO_ON_ROOT("warmup");
+   SNN(*ps, *domain);
+   sorting::LinearizedCompareFunctor linear(lc.domain_, Vector3<uint_t>(lc.numCellsPerDim_[0]));
+   ps->sort(linear);
+   vtkWriter->write(true);
+
+   WALBERLA_LOG_INFO_ON_ROOT("running simulation");
+   int64_t contactsChecked  = 0;
+   int64_t contactsDetected = 0;
+   int64_t contactsTreated  = 0;
+
+   std::vector<Statistics> statistics;
+
+   globalTP["sim loop"].start();
+   for (auto i = 0; i < filmSpecimen.simulationSteps; ++i)
+   {
+      Statistics stats;
+
+      loopTP["VV pre"].start();
+      ps->forEachParticle(false,
+                          kernel::SelectAll(),
+                          ac,
+                          vv_pre,
+                          ac);
+      loopTP["VV pre"].end();
+
+      loopTP["SNN"].start();
+      SNN(*ps, *domain);
+      loopTP["SNN"].end();
+
+      loopTP["GenerateSparseLinkedCells"].start();
+      lc.clear();
+      ps->forEachParticle(false, kernel::SelectAll(), ac, ipilc, ac, lc);
+      loopTP["GenerateSparseLinkedCells"].end();
+
+      loopTP["interaction"].start();
+      contactsChecked  = 0;
+      contactsDetected = 0;
+      contactsTreated  = 0;
+      lc.forEachParticlePairHalf(false,
+                                 kernel::SelectAll(),
+                                 ac,
+                                 [&](size_t p_idx1, size_t p_idx2)
+                                 {
+                                    //ensure ordering
+                                    if (ac.getUid(p_idx1) > ac.getUid(p_idx2))
+                                       std::swap(ac.getUidRef(p_idx1), ac.getUidRef(p_idx1));
+                                    
+                                    ++contactsChecked;
+                                    auto dist = ac.getPosition(p_idx1) - ac.getPosition(p_idx2);
+                                    auto dist2 = math::dot(dist, dist);
+                                    auto cutoff = ac.getInteractionRadius(p_idx1) + ac.getInteractionRadius(p_idx2);
+                                    if (dist2 < cutoff * cutoff)
+                                    {
+                                       auto contactPoint = ac.getPosition(p_idx2) + 0.5_r * dist;
+                                       ++contactsDetected;
+                                       if (contactFilter(p_idx1, p_idx2, ac, contactPoint, *domain))
+                                       {
+                                          ++contactsTreated;
+                                          constexpr bool period_X = false;
+                                          constexpr bool period_Y = false;
+                                          constexpr int max_segsX = 0;
+                                          constexpr int max_segsY = 0;
+                                          auto sameCluster = ac.getClusterID(p_idx2) == ac.getClusterID(p_idx1);
+                                          auto segmentDistance = std::abs(ac.getSegmentID(p_idx2) - ac.getSegmentID(p_idx1));
+                                          if ((sameCluster) && ((segmentDistance == 1) ||
+                                                                ((period_X) && (segmentDistance == max_segsX - 1)) ||
+                                                                ((period_Y) && (segmentDistance == max_segsY - 1))
+                                          )
+                                                )
+                                          {
+                                             vBondContact(p_idx1, p_idx2, ac);
+                                             stats.bendingEnergy += vBondContact.getLastBendingEnergy();
+                                             stats.shearEnergy += vBondContact.getLastShearEnergy();
+                                             stats.tensileEnergy += vBondContact.getLastTensileEnergy();
+                                             stats.twistingEnergy += vBondContact.getLastTwistingEnergy();
+                                             stats.stretchEnergy += vBondContact.getLastBendingEnergy() +
+                                                   vBondContact.getLastShearEnergy() +
+                                                   vBondContact.getLastTensileEnergy() +
+                                                   vBondContact.getLastTwistingEnergy();
+                                          }
+                                          else if ((sameCluster) && (segmentDistance < 20))
+                                          {
+                                             //do nothing
+                                          } else
+                                          {
+                                             anisotropicVdwContact(p_idx1, p_idx2, ac);
+                                             stats.vdwEnergy += anisotropicVdwContact.getLastEnergy();
+                                             stats.numAlignedPairs += anisotropicVdwContact.isParallel() ? 1 : 0;
+                                          }
+                                          viscous_damping(p_idx1, p_idx2, ac);
+                                       }
+                                    }
+                                 });
+      loopTP["interaction"].end();
+
+      loopTP["ReduceForce"].start();
+      RP.operator()<ForceTorqueNotification>(*ps);
+      loopTP["ReduceForce"].end();
+
+      loopTP["PFDDamping"].start();
+      ps->forEachParticle(false, kernel::SelectAll(), ac, pfcDamping, ac);
+      loopTP["PFDDamping"].end();
+
+      loopTP["VV post"].start();
+      ps->forEachParticle(false,
+                          kernel::SelectAll(),
+                          ac,
+                          vv_post,
+                          ac);
+      loopTP["VV post"].end();
+
+      if ((i + 1) % filmSpecimen.saveVTKEveryNthStep == 0)
+      {
+         loopTP["save vtk"].start();
+         WALBERLA_LOG_INFO_ON_ROOT(CYAN << "            SAVING VTK                  " << RESET);
+         vtkWriter->write(true);
+         loopTP["save vtk"].end();
+      }
+      if ((i + 1) % filmSpecimen.saveEnergyEveryNthStep == 0)
+      {
+         loopTP["save energy"].start();
+         WALBERLA_LOG_INFO_ON_ROOT(CYAN << "            SAVING ENERGY                  " << RESET);
+         ps->forEachParticle(false,
+                             kernel::SelectLocal(),
+                             ac,
+                             [&](const size_t p_idx)
+                             {
+                                stats.kineticEnergy += 0.5_r * ac.getMass(p_idx) * ac.getLinearVelocity(p_idx) * ac.getLinearVelocity(p_idx);
+                                stats.kineticEnergy += 0.5_r * ac.getAngularVelocity(p_idx) * ac.getInertiaBF(p_idx) * ac.getAngularVelocity(p_idx);
+                             });
+         walberla::mpi::reduceInplace(stats, walberla::mpi::SUM);
+         WALBERLA_ROOT_SECTION()
+         {
+            statistics.push_back(stats);
+            saveStatistics(filmSpecimen.energyFolder + "/statistics.txt", statistics);
+         }
+         loopTP["save energy"].end();
+      }
+      if ((i + 1) % filmSpecimen.saveConfEveryNthStep == 0)
+      {
+         loopTP["save config"].start();
+         WALBERLA_LOG_INFO_ON_ROOT(CYAN << "            SAVING CONFIG                  " << RESET);
+         saveConfig(ps,
+                    filmSpecimen.confFolder + "/conf_" + std::to_string((i + 1) * 0.00002) + "ns",
+                    IO_MODE::USE_MPI_IO);
+         loopTP["save config"].end();
+      }
+   }
+   globalTP["sim loop"].end();
+
+   auto loopTPReduced = loopTP.getReduced();
+   WALBERLA_LOG_DEVEL_ON_ROOT(*loopTPReduced);
+   auto globalTPReduced = globalTP.getReduced();
+   WALBERLA_LOG_DEVEL_ON_ROOT(*globalTPReduced);
+   auto ttReduced = tt.getReduced();
+   WALBERLA_LOG_DEVEL_ON_ROOT(ttReduced);
+
+   numParticles = 0;
+   int64_t numGhostParticles = 0;
+   ps->forEachParticle(false,
+                       kernel::SelectAll(),
+                       ac,
+                       [&](const size_t idx)
+                       {
+                          if (data::particle_flags::isSet( ac.getFlagsRef(idx), data::particle_flags::GHOST))
+                          {
+                             ++numGhostParticles;
+                          } else
+                          {
+                             ++numParticles;
+                          }
+                       });
+
+   walberla::mpi::reduceInplace(numParticles, walberla::mpi::SUM);
+   walberla::mpi::reduceInplace(numGhostParticles, walberla::mpi::SUM);
+   walberla::mpi::reduceInplace(contactsDetected, walberla::mpi::SUM);
+   walberla::mpi::reduceInplace(contactsTreated, walberla::mpi::SUM);
+
+
+   WALBERLA_ROOT_SECTION()
+   {
+      std::map<std::string, walberla::int64_t> integerProperties;
+      std::map<std::string, double> realProperties;
+      std::map<std::string, std::string> stringProperties;
+
+      addBuildInfoToSQL(integerProperties, realProperties, stringProperties);
+      addDomainPropertiesToSQL(*forest, integerProperties, realProperties, stringProperties);
+      addSlurmPropertiesToSQL(integerProperties, realProperties, stringProperties);
+
+      integerProperties["num_particles"] = numParticles;
+      integerProperties["num_ghost_particles"] = numGhostParticles;
+
+      integerProperties["contacts_detected"] = contactsDetected;
+      integerProperties["contacts_treated"] = contactsTreated;
+
+      auto runId = sqlite::storeRunInSqliteDB(filmSpecimen.sqlFile,
+                                              integerProperties,
+                                              stringProperties,
+                                              realProperties);
+      sqlite::storeTimingPoolInSqliteDB(filmSpecimen.sqlFile, runId, *loopTPReduced, "loop");
+      sqlite::storeTimingPoolInSqliteDB(filmSpecimen.sqlFile, runId, *globalTPReduced, "global");
+      sqlite::storeTimingTreeInSqliteDB(filmSpecimen.sqlFile, runId, tt, "tt");
+   }
+
+   return EXIT_SUCCESS;
+}
+
+} // namespace mesa_pd
+} // namespace walberla
+
+int main(int argc, char *argv[])
+{
+   return walberla::mesa_pd::main(argc, argv);
+}
+

apps/benchmarks/CNT/CMakeLists.txt

+waLBerla_link_files_to_builddir( *.dat )
+
+waLBerla_add_executable( NAME 01_cnt_film
+   FILES 01_cnt_film.cpp
+        Config.cpp
+        FilmSpecimen.cpp
+        InitializeCNTs.cpp
+        SQLProperties.cpp
+        Statistics.cpp
+   DEPENDS blockforest core mesa_pd sqlite vtk )

apps/benchmarks/CNT/Config.cpp

+//======================================================================================================================
+//
+//  This file is part of waLBerla. waLBerla 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.
+//
+//  waLBerla 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 waLBerla (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file
+//! \author Igor Ostanin <i.ostanin@skoltech.ru>
+//! \author Grigorii Drozdov <drozd013@umn.edu>
+//! \author Sebastian Eibl <sebastian.eibl@fau.de>
+//
+//======================================================================================================================
+
+#include "Config.h"
+#include "TerminalColors.h"
+
+#include "core/mpi/Gatherv.h"
+#include "core/mpi/MPIIO.h"
+#include "core/mpi/RecvBuffer.h"
+#include "core/mpi/SendBuffer.h"
+
+namespace walberla {
+namespace mesa_pd {
+
+void saveConfig(const shared_ptr<data::ParticleStorage>& ps,
+                const std::string& filename,
+                const IO_MODE io_mode)
+{
+   mpi::SendBuffer sb;
+
+   for (const auto& p : *ps)
+   {
+      using namespace walberla::mesa_pd::data::particle_flags;
+      if (isSet(p.getFlags(), GHOST)) continue; //skip ghosts
+
+      sb << static_cast<int64_t> (p.getSegmentID());
+      sb << static_cast<int64_t> (p.getClusterID());
+//      sb << static_cast<int64_t> (p.getGroupID());
+
+      sb << static_cast<double> (p.getPosition()[0]);
+      sb << static_cast<double> (p.getPosition()[1]);
+      sb << static_cast<double> (p.getPosition()[2]);
+
+      Vec3 orient = p.getRotation().getMatrix() * Vec3(1,0,0);
+      // Now orient has the shape (sin(th)cos(ph), sin(th)sin(ph), cos(th))
+      sb << static_cast<double> (std::acos(orient[2]));
+      sb << static_cast<double> (std::atan2(orient[1], orient[0]));
+
+      sb << static_cast<double> (p.getLinearVelocity()[0]);
+      sb << static_cast<double> (p.getLinearVelocity()[1]);
+      sb << static_cast<double> (p.getLinearVelocity()[2]);
+
+      sb << static_cast<double> (p.getAngularVelocity()[0]);
+      sb << static_cast<double> (p.getAngularVelocity()[1]);
+      sb << static_cast<double> (p.getAngularVelocity()[2]);
+   }
+
+   switch (io_mode)
+   {
+      case IO_MODE::REDUCE_TO_ROOT:
+      {
+         WALBERLA_LOG_INFO_ON_ROOT(CYAN << "Saving configuration (reduce to root): " << filename << RESET);
+         walberla::mpi::RecvBuffer rb;
+         walberla::mpi::gathervBuffer(sb, rb);
+         WALBERLA_ROOT_SECTION()
+         {
+            uint_t dataSize = sizeof(mpi::RecvBuffer::ElementType) * rb.size();
+            std::ofstream binfile;
+            binfile.open(filename + ".sav",
+                         std::ios::out | std::ios::binary);
+            binfile.write(reinterpret_cast< const char * >(rb.ptr()), numeric_cast<std::streamsize>(dataSize));
+            binfile.close();
+         }
+         break;
+      }
+      case IO_MODE::USE_MPI_IO:
+      {
+         WALBERLA_LOG_INFO_ON_ROOT(CYAN << "Saving configuration (MPIIO): " << filename << RESET);
+         walberla::mpi::writeMPIIO(filename + ".mpiio", sb);
+         break;
+      }
+      case IO_MODE::ONE_FILE_PER_RANK:
+      {
+         WALBERLA_LOG_INFO_ON_ROOT(CYAN << "Saving configuration (one file per process): " << filename << RESET);
+         uint_t dataSize = sizeof(mpi::SendBuffer::ElementType) * sb.size();
+         std::ofstream binfile;
+         binfile.open(filename + "_" + std::to_string(mpi::MPIManager::instance()->rank()) + ".sav",
+                      std::ios::out | std::ios::binary);
+         binfile.write(reinterpret_cast< const char * >(sb.ptr()), numeric_cast<std::streamsize>(dataSize));
+         binfile.close();
+      }
+         break;
+      default:
+      WALBERLA_ABORT("Unknown IO_MODE");
+   }
+}
+
+} //namespace mesa_pd
+} //namespace walberla

apps/benchmarks/CNT/Config.h

+//======================================================================================================================
+//
+//  This file is part of waLBerla. waLBerla 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.
+//
+//  waLBerla 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 waLBerla (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file
+//! \author Igor Ostanin <i.ostanin@skoltech.ru>
+//! \author Grigorii Drozdov <drozd013@umn.edu>
+//! \author Sebastian Eibl <sebastian.eibl@fau.de>
+//
+//======================================================================================================================
+
+#pragma once
+
+#include "mesa_pd/data/ParticleStorage.h"
+
+namespace walberla {
+namespace mesa_pd {
+
+enum class IO_MODE {REDUCE_TO_ROOT, USE_MPI_IO, ONE_FILE_PER_RANK};
+
+void saveConfig(const shared_ptr<data::ParticleStorage>& ps,
+                const std::string& filename,
+                const IO_MODE io_mode);
+
+} //namespace mesa_pd
+} //namespace walberla
\ No newline at end of file

apps/benchmarks/CNT/FilmSpecimen.cpp

+//======================================================================================================================
+//
+//  This file is part of waLBerla. waLBerla 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.
+//
+//  waLBerla 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 waLBerla (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file
+//! \author Igor Ostanin <i.ostanin@skoltech.ru>
+//! \author Grigorii Drozdov <drozd013@umn.edu>
+//! \author Sebastian Eibl <sebastian.eibl@fau.de>
+//
+//======================================================================================================================
+
+//======================================================================================================================
+//
+//  THIS FILE IS GENERATED - PLEASE CHANGE THE TEMPLATE !!!
+//
+//======================================================================================================================
+
+#include "FilmSpecimen.h"
+#include "TerminalColors.h"
+
+#include <core/logging/Logging.h>
+
+namespace walberla {
+namespace mesa_pd {
+
+void loadFromConfig(FilmSpecimen& params, const Config::BlockHandle& cfg)
+{
+   WALBERLA_LOG_INFO_ON_ROOT(GREEN << "Loading CNT film setup: " << RESET)
+   params.sizeX = cfg.getParameter<real_t>("sizeX", 0 );
+   WALBERLA_LOG_INFO_ON_ROOT(YELLOW << "sizeX: " << GREEN << params.sizeX << RESET);
+   
+   params.sizeY = cfg.getParameter<real_t>("sizeY", 0 );
+   WALBERLA_LOG_INFO_ON_ROOT(YELLOW << "sizeY: " << GREEN << params.sizeY << RESET);
+   
+   params.sizeZ = cfg.getParameter<real_t>("sizeZ", 0 );
+   WALBERLA_LOG_INFO_ON_ROOT(YELLOW << "sizeZ: " << GREEN << params.sizeZ << RESET);
+   
+   params.oopp = cfg.getParameter<bool>("oopp", false );
+   WALBERLA_LOG_INFO_ON_ROOT(YELLOW << "oopp: " << GREEN << params.oopp << RESET);
+   
+   params.numBlocksX = cfg.getParameter<uint_t>("numBlocksX", 1 );
+   WALBERLA_LOG_INFO_ON_ROOT(YELLOW << "numBlocksX: " << GREEN << params.numBlocksX << RESET);
+