diff --git a/apps/gpu/LBM/SphereScaling/CMakeLists.txt b/apps/gpu/LBM/SphereScaling/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..49bee20f7cfc3561c62cf1b36c2f2992e7baada8
--- /dev/null
+++ b/apps/gpu/LBM/SphereScaling/CMakeLists.txt
@@ -0,0 +1,10 @@
+PROJECT(SphereScaling LANGUAGES CUDA CXX)
+
+vf_add_library(BUILDTYPE binary PRIVATE_LINK basics VirtualFluids_GPU GridGenerator MPI::MPI_CXX FILES SphereScaling.cpp)
+
+set_source_files_properties(SphereScaling.cpp PROPERTIES LANGUAGE CUDA)
+
+set_target_properties(SphereScaling PROPERTIES
+ CUDA_SEPARABLE_COMPILATION ON)
+ # VS_DEBUGGER_COMMAND "C:/Program Files/Microsoft MPI/Bin/mpiexec.exe"
+ # VS_DEBUGGER_COMMAND_ARGUMENTS "-n 2 \"$<TARGET_FILE:SphereScaling>\"")
\ No newline at end of file
diff --git a/apps/gpu/LBM/SphereScaling/SphereScaling.cpp b/apps/gpu/LBM/SphereScaling/SphereScaling.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..ed9f9c9e91c8486ab89132f532e7aa9e9ec632cd
--- /dev/null
+++ b/apps/gpu/LBM/SphereScaling/SphereScaling.cpp
@@ -0,0 +1,461 @@
+
+#define _USE_MATH_DEFINES
+#include <math.h>
+#include <string>
+#include <sstream>
+#include <iostream>
+#include <stdexcept>
+#include <fstream>
+#include <exception>
+#include <memory>
+
+#include "mpi.h"
+
+//////////////////////////////////////////////////////////////////////////
+
+#include "basics/Core/DataTypes.h"
+#include "basics/PointerDefinitions.h"
+#include "basics/Core/VectorTypes.h"
+
+#include "basics/Core/LbmOrGks.h"
+#include "basics/Core/StringUtilities/StringUtil.h"
+#include "basics/config/ConfigurationFile.h"
+#include "basics/Core/Logger/Logger.h"
+
+//////////////////////////////////////////////////////////////////////////
+
+#include "GridGenerator/grid/GridBuilder/LevelGridBuilder.h"
+#include "GridGenerator/grid/GridBuilder/MultipleGridBuilder.h"
+#include "GridGenerator/grid/BoundaryConditions/Side.h"
+#include "GridGenerator/grid/GridFactory.h"
+
+#include "geometries/Sphere/Sphere.h"
+#include "geometries/TriangularMesh/TriangularMesh.h"
+
+#include "GridGenerator/io/SimulationFileWriter/SimulationFileWriter.h"
+#include "GridGenerator/io/GridVTKWriter/GridVTKWriter.h"
+#include "GridGenerator/io/STLReaderWriter/STLReader.h"
+#include "GridGenerator/io/STLReaderWriter/STLWriter.h"
+
+//////////////////////////////////////////////////////////////////////////
+
+#include "VirtualFluids_GPU/LBM/Simulation.h"
+#include "VirtualFluids_GPU/Communication/Communicator.h"
+#include "VirtualFluids_GPU/DataStructureInitializer/GridReaderGenerator/GridGenerator.h"
+#include "VirtualFluids_GPU/DataStructureInitializer/GridProvider.h"
+#include "VirtualFluids_GPU/DataStructureInitializer/GridReaderFiles/GridReader.h"
+#include "VirtualFluids_GPU/Parameter/Parameter.h"
+#include "VirtualFluids_GPU/Output/FileWriter.h"
+
+#include "VirtualFluids_GPU/Kernel/Utilities/KernelFactory/KernelFactoryImp.h"
+#include "VirtualFluids_GPU/PreProcessor/PreProcessorFactory/PreProcessorFactoryImp.h"
+
+#include "VirtualFluids_GPU/GPU/CudaMemoryManager.h"
+
+//////////////////////////////////////////////////////////////////////////
+
+#include "utilities/communication.h"
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//
+// U s e r s e t t i n g s
+//
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+// Tesla 03
+ std::string outPath("E:/temp/SphereScalingResults");
+ std::string gridPathParent = "E:/temp/GridSphereScaling/";
+ std::string simulationName("SphereScaling");
+
+//// Phoenix
+//std::string outPath("/work/y0078217/Results/SphereScalingResults/");
+//std::string gridPathParent = "/work/y0078217/Grids/GridSphereScaling/";
+//std::string simulationName("SphereScaling");
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void multipleLevel(const std::string& configPath)
+{
+ logging::Logger::addStream(&std::cout);
+ logging::Logger::setDebugLevel(logging::Logger::Level::INFO_LOW);
+ logging::Logger::timeStamp(logging::Logger::ENABLE);
+ logging::Logger::enablePrintedRankNumbers(logging::Logger::ENABLE);
+
+ auto gridFactory = GridFactory::make();
+ gridFactory->setGridStrategy(Device::CPU);
+ gridFactory->setTriangularMeshDiscretizationMethod(TriangularMeshDiscretizationMethod::POINT_IN_OBJECT);
+
+ auto gridBuilder = MultipleGridBuilder::makeShared(gridFactory);
+
+ vf::gpu::Communicator* comm = vf::gpu::Communicator::getInstanz();
+ vf::basics::ConfigurationFile config;
+ std::cout << configPath << std::endl;
+ config.load(configPath);
+ SPtr<Parameter> para = std::make_shared<Parameter>(config, comm->getNummberOfProcess(), comm->getPID());
+
+
+
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+ bool useGridGenerator = true;
+ bool useStreams = false;
+ bool useLevels = true;
+ para->useReducedCommunicationAfterFtoC = true;
+
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ std::string gridPath(gridPathParent); // only for GridGenerator, for GridReader the gridPath needs to be set in the config file
+
+ real dxGrid = (real)0.2;
+ real vxLB = (real)0.051; // LB units
+ real Re = (real)300.0;
+ real viscosityLB = (vxLB * dxGrid) / Re;
+
+ para->setVelocity(vxLB);
+ para->setViscosity(viscosityLB);
+ para->setVelocityRatio((real) 58.82352941);
+ para->setViscosityRatio((real) 0.058823529);
+ para->setDensityRatio((real) 998.0);
+
+ *logging::out << logging::Logger::INFO_HIGH << "velocity LB [dx/dt] = " << vxLB << " \n";
+ *logging::out << logging::Logger::INFO_HIGH << "viscosity LB [dx^2/dt] = " << viscosityLB << "\n";
+ *logging::out << logging::Logger::INFO_HIGH << "velocity real [m/s] = " << vxLB * para->getVelocityRatio()<< " \n";
+ *logging::out << logging::Logger::INFO_HIGH << "viscosity real [m^2/s] = " << viscosityLB * para->getViscosityRatio() << "\n";
+ *logging::out << logging::Logger::INFO_HIGH << "dxGrid = " << dxGrid << "\n";
+ *logging::out << logging::Logger::INFO_HIGH << "useGridGenerator = " << useGridGenerator << "\n";
+ *logging::out << logging::Logger::INFO_HIGH << "useStreams = " << useStreams << "\n";
+ *logging::out << logging::Logger::INFO_HIGH << "number of processes = " << para->getNumprocs() << "\n";
+
+
+ para->setTOut(10);
+ para->setTEnd(10);
+
+ para->setCalcDragLift(false);
+ para->setUseWale(false);
+
+ if (para->getOutputPath().size() == 0) {
+ para->setOutputPath(outPath);
+ }
+ para->setOutputPrefix(simulationName);
+ para->setFName(para->getOutputPath() + "/" + para->getOutputPrefix());
+ para->setPrintFiles(true);
+
+ if (useLevels)
+ para->setMaxLevel(2);
+ else
+ para->setMaxLevel(1);
+
+
+ if (useStreams)
+ para->setUseStreams();
+ //para->setMainKernel("CumulantK17CompChim");
+ para->setMainKernel("CumulantK17CompChimStream");
+ *logging::out << logging::Logger::INFO_HIGH << "Kernel: " << para->getMainKernel() << "\n";
+
+ if (para->getNumprocs() == 4) {
+ para->setDevices(std::vector<uint>{ 0u, 1u, 2u, 3u });
+ para->setMaxDev(4);
+ } else if (para->getNumprocs() == 2) {
+ para->setDevices(std::vector<uint>{ 0u, 1u });
+ para->setMaxDev(2);
+ } else
+ para->setDevices(std::vector<uint>{ 0u });
+ para->setMaxDev(1);
+
+
+
+ //////////////////////////////////////////////////////////////////////////
+
+
+ if (useGridGenerator) {
+
+ const real xGridMin = -32;
+ const real xGridMax = 32;
+ const real yGridMin = xGridMin;
+ const real yGridMax = xGridMax;
+ const real zGridMin = xGridMin;
+ const real zGridMax = xGridMax;
+ const real dSphere = 10.0;
+ const real dSphereLev1 = 20.0;
+
+ if (para->getNumprocs() > 1) {
+ const uint generatePart = vf::gpu::Communicator::getInstanz()->getPID();
+
+ real overlap = (real)8.0 * dxGrid;
+ gridBuilder->setNumberOfLayers(10, 8);
+
+ if (comm->getNummberOfProcess() == 2) {
+ const real ySplit = 0.0;
+
+ if (generatePart == 0) {
+ gridBuilder->addCoarseGrid(xGridMin, yGridMin, zGridMin, xGridMax, ySplit + overlap, zGridMax,
+ dxGrid);
+ }
+ if (generatePart == 1) {
+ gridBuilder->addCoarseGrid(xGridMin, ySplit - overlap, zGridMin, xGridMax, yGridMax, zGridMax,
+ dxGrid);
+ }
+
+ if (useLevels) {
+ gridBuilder->addGrid(new Sphere(0.0, 0.0, 0.0, dSphere), 1);
+ }
+
+ gridBuilder->addGeometry(new Sphere(0.0, 0.0, 0.0, dSphereLev1));
+
+ if (generatePart == 0)
+ gridBuilder->setSubDomainBox(
+ std::make_shared<BoundingBox>(xGridMin, xGridMax, yGridMin, ySplit, zGridMin, zGridMax));
+ if (generatePart == 1)
+ gridBuilder->setSubDomainBox(
+ std::make_shared<BoundingBox>(xGridMin, xGridMax, ySplit, yGridMax, zGridMin, zGridMax));
+
+ gridBuilder->setPeriodicBoundaryCondition(false, false, true);
+
+ gridBuilder->buildGrids(LBM, true); // buildGrids() has to be called before setting the BCs!!!!
+
+ if (generatePart == 0) {
+ gridBuilder->findCommunicationIndices(CommunicationDirections::PY, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::PY, 1);
+ }
+
+ if (generatePart == 1) {
+ gridBuilder->findCommunicationIndices(CommunicationDirections::MY, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::MY, 0);
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ gridBuilder->setVelocityBoundaryCondition(SideType::MX, vxLB, 0.0, 0.0);
+ gridBuilder->setPressureBoundaryCondition(SideType::PX, 0.0);
+ if (generatePart == 0)
+ gridBuilder->setVelocityBoundaryCondition(SideType::MY, vxLB, 0.0, 0.0);
+ if (generatePart == 1)
+ gridBuilder->setVelocityBoundaryCondition(SideType::PY, vxLB, 0.0, 0.0);
+ gridBuilder->setVelocityBoundaryCondition(SideType::GEOMETRY, 0.0, 0.0, 0.0);
+ //////////////////////////////////////////////////////////////////////////
+
+ } else if (comm->getNummberOfProcess() == 4) {
+
+ const real ySplit = 0.0;
+ const real xSplit = 0.0;
+
+ if (generatePart == 0) {
+ gridBuilder->addCoarseGrid(xGridMin, yGridMin, zGridMin, xSplit + overlap, ySplit + overlap,
+ zGridMax, dxGrid);
+ }
+ if (generatePart == 1) {
+ gridBuilder->addCoarseGrid(xGridMin, ySplit - overlap, zGridMin, xSplit + overlap, yGridMax,
+ zGridMax, dxGrid);
+ }
+ if (generatePart == 2) {
+ gridBuilder->addCoarseGrid(xSplit - overlap, yGridMin, zGridMin, xGridMax, ySplit + overlap,
+ zGridMax, dxGrid);
+ }
+ if (generatePart == 3) {
+ gridBuilder->addCoarseGrid(xSplit - overlap, ySplit - overlap, zGridMin, xGridMax, yGridMax,
+ zGridMax, dxGrid);
+ }
+
+ if (useLevels) {
+ gridBuilder->addGrid(new Sphere(0.0, 0.0, 0.0, dSphere), 1);
+ }
+
+ gridBuilder->addGeometry(new Sphere(0.0, 0.0, 0.0, dSphereLev1));
+
+ if (generatePart == 0)
+ gridBuilder->setSubDomainBox(
+ std::make_shared<BoundingBox>(xGridMin, xSplit, yGridMin, ySplit, zGridMin, zGridMax));
+ if (generatePart == 1)
+ gridBuilder->setSubDomainBox(
+ std::make_shared<BoundingBox>(xGridMin, xSplit, ySplit, yGridMax, zGridMin, zGridMax));
+ if (generatePart == 2)
+ gridBuilder->setSubDomainBox(
+ std::make_shared<BoundingBox>(xSplit, xGridMax, yGridMin, ySplit, zGridMin, zGridMax));
+ if (generatePart == 3)
+ gridBuilder->setSubDomainBox(
+ std::make_shared<BoundingBox>(xSplit, xGridMax, ySplit, yGridMax, zGridMin, zGridMax));
+
+ gridBuilder->setPeriodicBoundaryCondition(false, false, true);
+
+ gridBuilder->buildGrids(LBM, true); // buildGrids() has to be called before setting the BCs!!!!
+
+ if (generatePart == 0) {
+ gridBuilder->findCommunicationIndices(CommunicationDirections::PY, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::PY, 1);
+ gridBuilder->findCommunicationIndices(CommunicationDirections::PX, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::PX, 2);
+ }
+ if (generatePart == 1) {
+ gridBuilder->findCommunicationIndices(CommunicationDirections::MY, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::MY, 0);
+ gridBuilder->findCommunicationIndices(CommunicationDirections::PX, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::PX, 3);
+ }
+ if (generatePart == 2) {
+ gridBuilder->findCommunicationIndices(CommunicationDirections::PY, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::PY, 3);
+ gridBuilder->findCommunicationIndices(CommunicationDirections::MX, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::MX, 0);
+ }
+ if (generatePart == 3) {
+ gridBuilder->findCommunicationIndices(CommunicationDirections::MY, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::MY, 2);
+ gridBuilder->findCommunicationIndices(CommunicationDirections::MX, LBM);
+ gridBuilder->setCommunicationProcess(CommunicationDirections::MX, 1);
+ }
+
+ //////////////////////////////////////////////////////////////////////////
+ if (generatePart == 0) {
+ gridBuilder->setVelocityBoundaryCondition(SideType::MX, vxLB, 0.0, 0.0);
+ gridBuilder->setVelocityBoundaryCondition(SideType::MY, vxLB, 0.0, 0.0);
+ }
+ if (generatePart == 1) {
+ gridBuilder->setVelocityBoundaryCondition(SideType::MX, vxLB, 0.0, 0.0);
+ gridBuilder->setVelocityBoundaryCondition(SideType::PY, vxLB, 0.0, 0.0);
+ }
+ if (generatePart == 2) {
+ gridBuilder->setVelocityBoundaryCondition(SideType::MY, vxLB, 0.0, 0.0);
+ gridBuilder->setPressureBoundaryCondition(SideType::PX, 0.0);
+ }
+ if (generatePart == 3) {
+ gridBuilder->setVelocityBoundaryCondition(SideType::PY, vxLB, 0.0, 0.0);
+ gridBuilder->setPressureBoundaryCondition(SideType::PX, 0.0);
+ }
+ gridBuilder->setVelocityBoundaryCondition(SideType::GEOMETRY, 0.0, 0.0, 0.0);
+ //////////////////////////////////////////////////////////////////////////
+ }
+ if (para->getKernelNeedsFluidNodeIndicesToRun())
+ gridBuilder->findFluidNodes(useStreams);
+
+ // gridBuilder->writeGridsToVtk(outPath + "/" + "/grid/part" +
+ // std::to_string(generatePart) + "_"); gridBuilder->writeGridsToVtk(outPath + "/" + "/" +
+ // std::to_string(generatePart) + "/grid/"); gridBuilder->writeArrows(outPath + "/" + "/" +
+ // std::to_string(generatePart) + " /arrow");
+
+ SimulationFileWriter::write(gridPath + "/" + std::to_string(generatePart) + "/", gridBuilder,
+ FILEFORMAT::BINARY);
+ } else {
+
+ gridBuilder->addCoarseGrid(xGridMin, yGridMin, zGridMin, xGridMax, yGridMax, zGridMax, dxGrid);
+
+ if (useLevels) {
+ gridBuilder->setNumberOfLayers(10, 8);
+ gridBuilder->addGrid(new Sphere(0.0, 0.0, 0.0, dSphereLev1), 1);
+ }
+
+ gridBuilder->addGeometry(new Sphere(0.0, 0.0, 0.0, dSphere));
+
+ gridBuilder->setPeriodicBoundaryCondition(false, false, true);
+
+ gridBuilder->buildGrids(LBM, true); // buildGrids() has to be called before setting the BCs!!!!
+
+ //////////////////////////////////////////////////////////////////////////
+ gridBuilder->setVelocityBoundaryCondition(SideType::PY, vxLB, 0.0, 0.0);
+ gridBuilder->setVelocityBoundaryCondition(SideType::MY, vxLB, 0.0, 0.0);
+ gridBuilder->setPressureBoundaryCondition(SideType::PX, 0.0);
+ gridBuilder->setVelocityBoundaryCondition(SideType::MX, vxLB, 0.0, 0.0);
+
+ gridBuilder->setVelocityBoundaryCondition(SideType::GEOMETRY, 0.0, 0.0, 0.0);
+ //////////////////////////////////////////////////////////////////////////
+ if (para->getKernelNeedsFluidNodeIndicesToRun())
+ gridBuilder->findFluidNodes(useStreams);
+
+ // gridBuilder->writeGridsToVtk("E:/temp/MusselOyster/" + "/grid/");
+ // gridBuilder->writeArrows ("E:/temp/MusselOyster/" + "/arrow");
+
+ SimulationFileWriter::write(gridPath, gridBuilder, FILEFORMAT::BINARY);
+ }
+ }
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+ SPtr<CudaMemoryManager> cudaMemoryManager = CudaMemoryManager::make(para);
+
+ SPtr<GridProvider> gridGenerator;
+ if (useGridGenerator)
+ gridGenerator = GridProvider::makeGridGenerator(gridBuilder, para, cudaMemoryManager);
+ else {
+ gridGenerator = GridProvider::makeGridReader(FILEFORMAT::BINARY, para, cudaMemoryManager);
+ }
+
+ Simulation sim;
+ SPtr<FileWriter> fileWriter = SPtr<FileWriter>(new FileWriter());
+ SPtr<KernelFactoryImp> kernelFactory = KernelFactoryImp::getInstance();
+ SPtr<PreProcessorFactoryImp> preProcessorFactory = PreProcessorFactoryImp::getInstance();
+ sim.setFactories(kernelFactory, preProcessorFactory);
+ sim.init(para, gridGenerator, fileWriter, cudaMemoryManager);
+ sim.run();
+ sim.free();
+
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+}
+
+int main( int argc, char* argv[])
+{
+ MPI_Init(&argc, &argv);
+ std::string str, str2, configFile;
+
+ if ( argv != NULL )
+ {
+
+ try
+ {
+ //////////////////////////////////////////////////////////////////////////
+
+ std::string targetPath;
+
+ targetPath = __FILE__;
+
+ if (argc == 2) {
+ configFile = argv[1];
+ std::cout << "Using configFile command line argument: " << configFile << std::endl;
+ }
+
+#ifdef _WIN32
+ targetPath = targetPath.substr(0, targetPath.find_last_of('\\') + 1);
+#else
+ targetPath = targetPath.substr(0, targetPath.find_last_of('/') + 1);
+#endif
+
+ std::cout << targetPath << std::endl;
+
+ if (configFile.size()==0) {
+ configFile = targetPath + "config.txt";
+ }
+
+ multipleLevel(configFile);
+
+ //////////////////////////////////////////////////////////////////////////
+ }
+ catch (const std::bad_alloc& e)
+ {
+ *logging::out << logging::Logger::LOGGER_ERROR << "Bad Alloc:" << e.what() << "\n";
+ }
+ catch (const std::exception& e)
+ {
+ *logging::out << logging::Logger::LOGGER_ERROR << e.what() << "\n";
+ }
+ catch (...)
+ {
+ *logging::out << logging::Logger::LOGGER_ERROR << "Unknown exception!\n";
+ }
+ }
+
+ MPI_Finalize();
+ return 0;
+}
diff --git a/apps/gpu/LBM/SphereScaling/config.txt b/apps/gpu/LBM/SphereScaling/config.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ca208ed262873920a0fc3f93a728dd1a20bd89ed
--- /dev/null
+++ b/apps/gpu/LBM/SphereScaling/config.txt
@@ -0,0 +1,40 @@
+# Tesla 03
+# mpiexec -n 2 "C:/Users/Master/Documents/MasterAnna/VirtualFluids_dev/build/bin/Release/SphereScaling.exe" "C:/Users/Master/Documents/MasterAnna/VirtualFluids_dev/apps/gpu/LBM/SphereScaling/config.txt"
+# Phoenix
+# mpirun -np 2 "./VirtualFluids_dev/build/bin/SphereScaling" "./VirtualFluids_dev/apps/gpu/LBM/SphereScaling/config.txt"
+
+##################################################
+#GPU Mapping
+##################################################
+#Devices="0 1 2 3"
+#NumberOfDevices=2
+
+##################################################
+#informations for Writing
+##################################################
+Path=E:/temp/SphereScalingResults
+#Path="F:/Work/Computations/out/SphereScaling/"
+#Prefix="SphereScaling"
+#WriteGrid=true
+##################################################
+#informations for reading
+##################################################
+GridPath="E:/temp/GridSphereScaling/"
+
+##################################################
+#number of grid levels
+##################################################
+#NOGL=1
+
+##################################################
+#LBM Version
+##################################################
+#D3Qxx=27
+#MainKernelName=CumulantK17CompChim
+
+##################################################
+#simulation parameter
+##################################################
+#TimeEnd=10
+#TimeOut=10
+#TimeStartOut=0
\ No newline at end of file
diff --git a/apps/gpu/LBM/SphereScaling/configPhoenix1GPU.txt b/apps/gpu/LBM/SphereScaling/configPhoenix1GPU.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d3d2af3d2998754a1169000c3cc6b6ec6d9e14ba
--- /dev/null
+++ b/apps/gpu/LBM/SphereScaling/configPhoenix1GPU.txt
@@ -0,0 +1,36 @@
+##################################################
+#GPU Mapping
+##################################################
+Devices="3"
+NumberOfDevices=1
+
+##################################################
+#informations for Writing
+##################################################
+Path=/work/y0078217/Results/SphereScalingResults/1GPU/
+#Path="F:/Work/Computations/out/SphereScaling/"
+#Prefix="SphereScaling"
+#WriteGrid=true
+##################################################
+#informations for reading
+##################################################
+GridPath=/work/y0078217/Grids/GridSphereScaling/Sphere1GPU
+#GridPath="C:"
+
+##################################################
+#number of grid levels
+##################################################
+#NOGL=1
+
+##################################################
+#LBM Version
+##################################################
+#D3Qxx=27
+#MainKernelName=CumulantK17CompChim
+
+##################################################
+#simulation parameter
+##################################################
+TimeEnd=100000
+TimeOut=1000
+#TimeStartOut=0
\ No newline at end of file
diff --git a/apps/gpu/LBM/SphereScaling/configPhoenix2GPU.txt b/apps/gpu/LBM/SphereScaling/configPhoenix2GPU.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ad9a4c7c012627f57b302f1862206d93faed041e
--- /dev/null
+++ b/apps/gpu/LBM/SphereScaling/configPhoenix2GPU.txt
@@ -0,0 +1,36 @@
+##################################################
+#GPU Mapping
+##################################################
+Devices="0 1 2 3"
+NumberOfDevices=2
+
+##################################################
+#informations for Writing
+##################################################
+Path=/work/y0078217/Results/SphereScalingResults/2GPU/
+#Path="F:/Work/Computations/out/SphereScaling/"
+#Prefix="SphereScaling"
+#WriteGrid=true
+##################################################
+#informations for reading
+##################################################
+GridPath=/work/y0078217/Grids/GridSphereScaling/SphereScaling2GPU
+#GridPath="C:"
+
+##################################################
+#number of grid levels
+##################################################
+#NOGL=1
+
+##################################################
+#LBM Version
+##################################################
+#D3Qxx=27
+#MainKernelName=CumulantK17CompChim
+
+##################################################
+#simulation parameter
+##################################################
+TimeEnd=100000
+TimeOut=1000
+#TimeStartOut=0
\ No newline at end of file
diff --git a/apps/gpu/LBM/SphereScaling/configPhoenix4GPU.txt b/apps/gpu/LBM/SphereScaling/configPhoenix4GPU.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b709606a7ecf1da4a928d63602da567d992c28e
--- /dev/null
+++ b/apps/gpu/LBM/SphereScaling/configPhoenix4GPU.txt
@@ -0,0 +1,36 @@
+##################################################
+#GPU Mapping
+##################################################
+Devices="0 1 2 3"
+NumberOfDevices=4
+
+##################################################
+#informations for Writing
+##################################################
+Path=/work/y0078217/Results/SphereScalingResults/4GPU/
+#Path="F:/Work/Computations/out/SphereScaling/"
+#Prefix="SphereScaling"
+#WriteGrid=true
+##################################################
+#informations for reading
+##################################################
+GridPath=/work/y0078217/Grids/GridSphereScaling/SphereScaling4GPU
+#GridPath="C:"
+
+##################################################
+#number of grid levels
+##################################################
+#NOGL=1
+
+##################################################
+#LBM Version
+##################################################
+#D3Qxx=27
+#MainKernelName=CumulantK17CompChim
+
+##################################################
+#simulation parameter
+##################################################
+TimeEnd=100000
+TimeOut=1000
+#TimeStartOut=0
\ No newline at end of file
diff --git a/gpu.cmake b/gpu.cmake
index 12f7d2991a078e3e86560dcc069bab348fae438a..a358baeb386158cae4f7183991e925b825d6acba 100644
--- a/gpu.cmake
+++ b/gpu.cmake
@@ -44,6 +44,7 @@ IF (BUILD_VF_GPU)
#add_subdirectory(apps/gpu/LBM/gridGeneratorTest)
#add_subdirectory(apps/gpu/LBM/TGV_3D)
#add_subdirectory(apps/gpu/LBM/TGV_3D_MultiGPU)
+ add_subdirectory(apps/gpu/LBM/SphereScaling)
add_subdirectory(apps/gpu/LBM/MusselOyster)
add_subdirectory(apps/gpu/LBM/MusselOyster2x)
add_subdirectory(apps/gpu/LBM/MusselOyster3z)