void Problem::readLastVectorALETimeAdvance ( vectorPtr_Type fluidDisp,
const std::string loadInitSol)
{
using namespace LifeV;
typedef FSIOperator::mesh_Type mesh_Type;
//We still need to load the last vector for ALE
std::string iterationString = loadInitSol;
fluidDisp.reset (new vector_Type (M_fsi->FSIOper()->mmFESpace().map(), LifeV::Unique) );
//Setting the exporterData to read: ALE problem
LifeV::ExporterData<mesh_Type> initSolFluidDisp (LifeV::ExporterData<mesh_Type>::VectorField, "f-displacement." + iterationString, M_fsi->FSIOper()->mmFESpacePtr(), fluidDisp, UInt (0), LifeV::ExporterData<mesh_Type>::UnsteadyRegime );
//Initializing
*fluidDisp *= 0.0;
//Reading
M_importerFluid->readVariable (initSolFluidDisp); //Fluid df
//Output
std::cout << "Norm of the df " << fluidDisp->norm2() << std::endl;
//This is ugly but it's the only way I have figured out at the moment
if ( M_data->method().compare ("monolithicGI") == 0 )
{
//Don't be scared by the ten. The goal of 10 is just to make the first if fail
M_fsi->FSIOper()->setALEVectorInStencil ( fluidDisp, 10, true );
}
//Setting the vector in the stencil
M_fsi->FSIOper()->ALETimeAdvance()->shiftRight ( *fluidDisp );
}
void Problem::readLastVectorSolidTimeAdvance ( vectorPtr_Type solidDisp,
LifeV::UInt iterInit,
std::string iterationString)
{
using namespace LifeV;
typedef FSIOperator::mesh_Type mesh_Type;
//Reading another vector for the solidTimeAdvance since its BDF has the same order
//as the other ones but since the orderDerivative = 2, the size of the stencil is
//orderBDF + 1
solidDisp.reset (new vector_Type (M_fsi->FSIOper()->dFESpace().map(), LifeV::Unique) );
*solidDisp *= 0.0;
LifeV::ExporterData<mesh_Type> initSolSolidDisp (LifeV::ExporterData<mesh_Type>::VectorField, "s-displacement." + iterationString, M_fsi->FSIOper()->dFESpacePtr(), solidDisp, UInt (0), LifeV::ExporterData<mesh_Type>::UnsteadyRegime );
M_importerSolid->readVariable (initSolSolidDisp); //Solid d
M_fsi->FSIOper()->setSolidVectorInStencil ( solidDisp, iterInit );
}
void Problem::restartFSI ( GetPot const& data_file)
{
using namespace LifeV;
typedef FSIOperator::mesh_Type mesh_Type;
//Creating the pointer to the filter
std::string const importerType = data_file ( "importer/type", "ensight");
std::string const fluidName = data_file ( "importer/fluid/filename", "fluid");
std::string const solidName = data_file ( "importer/solid/filename", "solid");
std::string const loadInitSol = data_file ( "importer/initSol", "00000");
std::string const loadInitSolFD = data_file ("importer/initSolFD", "-1");
std::string iterationString;
M_Tstart = data_file ( "fluid/time_discretization/initialtime", 0.);
std::cout << "The file for fluid is : " << fluidName << std::endl;
std::cout << "The file for solid is : " << solidName << std::endl;
std::cout << "The importerType is : " << importerType << std::endl;
std::cout << "The iteration is : " << loadInitSol << std::endl;
std::cout << "For the fluid disp is : " << loadInitSolFD << std::endl;
std::cout << "Starting time : " << M_Tstart << std::endl;
//At the moment the restart works only if BDF methods are used in time.
// For Newmark method a almost new implementation is needed
std::string methodFluid = data_file ( "fluid/time_discretization/method", "Newmark");
std::string methodSolid = data_file ( "solid/time_discretization/method", "Newmark");
std::string methodALE = data_file ( "mesh_motion/time_discretization/method", "Newmark");
#ifdef HAVE_HDF5
if (importerType.compare ("hdf5") == 0)
{
M_importerFluid.reset ( new hdf5Filter_Type ( data_file, fluidName) );
M_importerSolid.reset ( new hdf5Filter_Type ( data_file, solidName) );
}
else
#endif
{
if (importerType.compare ("none") == 0)
{
M_importerFluid.reset ( new ExporterEmpty<mesh_Type > ( data_file, M_fsi->FSIOper()->uFESpace().mesh(), "fluid", M_fsi->FSIOper()->uFESpace().map().comm().MyPID() ) );
M_importerSolid.reset ( new ExporterEmpty<mesh_Type > ( data_file, M_fsi->FSIOper()->dFESpace().mesh(), "solid", M_fsi->FSIOper()->uFESpace().map().comm().MyPID() ) );
}
else
{
M_importerFluid.reset ( new ensightFilter_Type ( data_file, fluidName) );
M_importerSolid.reset ( new ensightFilter_Type ( data_file, solidName) );
}
}
M_importerFluid->setMeshProcId (M_fsi->FSIOper()->uFESpace().mesh(), M_fsi->FSIOper()->uFESpace().map().comm().MyPID() );
M_importerSolid->setMeshProcId (M_fsi->FSIOper()->dFESpace().mesh(), M_fsi->FSIOper()->dFESpace().map().comm().MyPID() );
//Each of the vectors of the stencils has the dimension of the big vector
//Performing a cycle of the size of the timeAdvance classes for each problem
//The size of TimeAdvanceClass depends on the order of the BDF (data file)
//The hypothesis used for this method is that the three TimeAdvance classes have the same size
iterationString = loadInitSol;
UInt iterInit;
vectorPtr_Type vel;
vectorPtr_Type pressure;
vectorPtr_Type solidDisp;
vectorPtr_Type fluidDisp;
for (iterInit = 0; iterInit < M_fsi->FSIOper()->fluidTimeAdvance()->size(); iterInit++ )
{
//It should work just initializing the timeAdvance classes
//Three stencils are needed (Fluid-Structure-Geometric)
vel.reset (new vector_Type (M_fsi->FSIOper()->uFESpace().map(), LifeV::Unique) );
pressure.reset (new vector_Type (M_fsi->FSIOper()->pFESpace().map(), LifeV::Unique) );
solidDisp.reset (new vector_Type (M_fsi->FSIOper()->dFESpace().map(), LifeV::Unique) );
//First the three fields are read at the same time
//Creating the exporter data for the fields
//Fluid
LifeV::ExporterData<mesh_Type> initSolFluidVel (LifeV::ExporterData<mesh_Type>::VectorField, std::string ("f-velocity." + iterationString), M_fsi->FSIOper()->uFESpacePtr(), vel, UInt (0), LifeV::ExporterData<mesh_Type>::UnsteadyRegime );
LifeV::ExporterData<mesh_Type> initSolFluidPress (LifeV::ExporterData<mesh_Type>::ScalarField, std::string ("f-pressure." + iterationString), M_fsi->FSIOper()->pFESpacePtr(), pressure, UInt (0), LifeV::ExporterData<mesh_Type>::UnsteadyRegime );
//Structure
LifeV::ExporterData<mesh_Type> initSolSolidDisp (LifeV::ExporterData<mesh_Type>::VectorField, "s-displacement." + iterationString, M_fsi->FSIOper()->dFESpacePtr(), solidDisp, UInt (0), LifeV::ExporterData<mesh_Type>::UnsteadyRegime );
//Initialization of the vectors used to read
*vel *= 0.0;
*pressure *= 0.0;
*solidDisp *= 0.0;
//load of the solutions
M_importerFluid->readVariable (initSolFluidVel); //Fluid u
M_importerFluid->readVariable (initSolFluidPress); //Fluid p
M_importerSolid->readVariable (initSolSolidDisp); //Solid d
std::cout << "Norm of the vel " << vel->norm2() << std::endl;
std::cout << "Norm of the pressure " << pressure->norm2() << std::endl;
std::cout << "Norm of the solid " << solidDisp->norm2() << std::endl;
//We send the vectors to the FSIMonolithic class using the interface of FSIOper
M_fsi->FSIOper()->setVectorInStencils (vel, pressure, solidDisp, iterInit )
;
//Updating string name
int iterations = std::atoi (iterationString.c_str() );
iterations--;
std::ostringstream iter;
iter.fill ( '0' );
iter << std::setw (5) << ( iterations );
iterationString = iter.str();
}
readLastVectorSolidTimeAdvance ( solidDisp, iterInit, iterationString );
//For the ALE timeAdvance, one should be careful on the vectors that are used
//to compute the RHSFirstDerivative. That is why we first load the stencil using previous
//vectors and then we read the last one
iterationString = loadInitSol;
int iterationStartALE = std::atoi (iterationString.c_str() );
iterationStartALE--;
std::ostringstream iter;
iter.fill ( '0' );
iter << std::setw (5) << ( iterationStartALE );
iterationString = iter.str();
std::cout << "The load init sol is: " << loadInitSol << std::endl;
std::cout << "The first read sol is: " << iterationString << std::endl;
for (iterInit = 0; iterInit < M_fsi->FSIOper()->ALETimeAdvance()->size(); iterInit++ )
{
//Reset the pointer
fluidDisp.reset (new vector_Type (M_fsi->FSIOper()->mmFESpace().map(), LifeV::Unique) );
//Setting the exporterData to read: ALE problem
LifeV::ExporterData<mesh_Type> initSolFluidDisp (LifeV::ExporterData<mesh_Type>::VectorField, "f-displacement." + iterationString, M_fsi->FSIOper()->mmFESpacePtr(), fluidDisp, UInt (0), LifeV::ExporterData<mesh_Type>::UnsteadyRegime );
//Initializing
*fluidDisp *= 0.0;
//Reading
M_importerFluid->readVariable (initSolFluidDisp); //Fluid df
//Output
std::cout << "Norm of the df " << fluidDisp->norm2() << std::endl;
//Setting the vector in the stencil
M_fsi->FSIOper()->setALEVectorInStencil ( fluidDisp, iterInit, false );
//Updating string name
int iterations = std::atoi (iterationString.c_str() );
iterations--;
std::ostringstream iter;
iter.fill ( '0' );
iter << std::setw (5) << ( iterations );
iterationString = iter.str();
}
//Initializing the vector for the RHS terms of the formulas
M_fsi->FSIOper()->finalizeRestart();
//Need to read still one vector and shiftright it.
readLastVectorALETimeAdvance ( fluidDisp, loadInitSol );
//This are used to export the loaded solution to check it is correct.
vel.reset (new vector_Type (M_fsi->FSIOper()->uFESpace().map(), LifeV::Unique) );
pressure.reset (new vector_Type (M_fsi->FSIOper()->pFESpace().map(), LifeV::Unique) );
fluidDisp.reset (new vector_Type (M_fsi->FSIOper()->mmFESpace().map(), LifeV::Unique) );
M_velAndPressure.reset ( new vector_Type ( M_fsi->FSIOper()->fluid().getMap(), M_importerFluid->mapType() ) );
M_velAndPressure->subset (*pressure, pressure->map(), UInt (0), (UInt) 3 * M_fsi->FSIOper()->uFESpace().dof().numTotalDof() );
*M_velAndPressure += *vel;
M_fluidDisp.reset ( new vector_Type ( *fluidDisp, M_importerFluid->mapType() ) );
M_solidDisp.reset ( new vector_Type ( *solidDisp, M_importerSolid->mapType() ) );
}
void Problem::initializeWithVectors ( void )
{
using namespace LifeV;
// vectors to store the solutions we want.
vectorPtr_Type vel;
vectorPtr_Type pressure;
vectorPtr_Type solidDisp;
vectorPtr_Type fluidDisp;
vel.reset (new vector_Type (M_fsi->FSIOper()->uFESpace().map(), LifeV::Unique) );
pressure.reset (new vector_Type (M_fsi->FSIOper()->pFESpace().map(), LifeV::Unique) );
solidDisp.reset (new vector_Type (M_fsi->FSIOper()->dFESpace().map(), LifeV::Unique) );
fluidDisp.reset (new vector_Type (M_fsi->FSIOper()->mmFESpace().map(), LifeV::Unique) );
// In this case we want to initialize only the pressure
M_fsi->FSIOper()->pFESpacePtr()->interpolate ( static_cast<FESpace<RegionMesh<LinearTetra>, MapEpetra> ::function_Type> ( pressureInitial ), *pressure, 0.0 );
*vel *= 0.0;
*solidDisp *= 0.0;
*fluidDisp *= 0.0;
UInt iterInit;
// Filling the stencils
for (iterInit = 0; iterInit < M_fsi->FSIOper()->fluidTimeAdvance()->size(); iterInit++ )
{
//We send the vectors to the FSIMonolithic class using the interface of FSIOper
M_fsi->FSIOper()->setVectorInStencils (vel, pressure, solidDisp, iterInit );
}
// This was in readLastVectorSolidStencil
M_fsi->FSIOper()->setSolidVectorInStencil ( solidDisp, iterInit );
// Ale part
for (iterInit = 0; iterInit < M_fsi->FSIOper()->ALETimeAdvance()->size(); iterInit++ )
{
//Setting the vector in the stencil
M_fsi->FSIOper()->setALEVectorInStencil ( fluidDisp, iterInit, false );
}
//Initializing the vector for the RHS terms of the formulas
M_fsi->FSIOper()->finalizeRestart();
// This was read the last vector from ALE
//This is ugly but it's the only way I have figured out at the moment
if ( M_data->method().compare ("monolithicGI") == 0 )
{
//Don't be scared by the ten. The goal of 10 is just to make the first if fail
M_fsi->FSIOper()->setALEVectorInStencil ( fluidDisp, 10, true );
}
//Setting the vector in the stencil
M_fsi->FSIOper()->ALETimeAdvance()->shiftRight ( *fluidDisp );
}