apply_component_table_process.hpp

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//
//   Project Name:        KratosPoromechanicsApplication $
//   Last modified by:    $Author:    Ignasi de Pouplana $
//   Date:                $Date:               June 2016 $
//   Revision:            $Revision:                 1.0 $
//
 
#if !defined(KRATOS_APPLY_COMPONENT_TABLE_PROCESS )
#define  KRATOS_APPLY_COMPONENT_TABLE_PROCESS
 
#include "includes/table.h"
#include "includes/kratos_flags.h"
#include "includes/kratos_parameters.h"
#include "processes/process.h"
 
#include "poromechanics_application_variables.h"
 
namespace Kratos
{
 
class ApplyComponentTableProcess : public Process
{
 
public:
 
    KRATOS_CLASS_POINTER_DEFINITION(ApplyComponentTableProcess);
 
    typedef Table<double,double> TableType;
 
 
    ApplyComponentTableProcess(ModelPart& model_part,
                                Parameters rParameters
                                ) : Process(Flags()) , mr_model_part(model_part)
    {
        KRATOS_TRY
 
        //only include validation with c++11 since raw_literals do not exist in c++03
        Parameters default_parameters( R"(
            {
                "model_part_name":"PLEASE_CHOOSE_MODEL_PART_NAME",
                "variable_name": "PLEASE_PRESCRIBE_VARIABLE_NAME",
                "is_fixed": false,
                "value" : 1.0,
                "table" : 1
            }  )" );
 
        // Some values need to be mandatorily prescribed since no meaningful default value exist. For this reason try accessing to them
        // So that an error is thrown if they don't exist
        rParameters["table"];
        rParameters["variable_name"];
        rParameters["model_part_name"];
 
        // Now validate agains defaults -- this also ensures no type mismatch
        rParameters.ValidateAndAssignDefaults(default_parameters);
 
        mvariable_name = rParameters["variable_name"].GetString();
        mis_fixed = rParameters["is_fixed"].GetBool();
        minitial_value = rParameters["value"].GetDouble();
 
        unsigned int TableId = rParameters["table"].GetInt();
        mpTable = model_part.pGetTable(TableId);
        mTimeUnitConverter = model_part.GetProcessInfo()[TIME_UNIT_CONVERTER];
 
        KRATOS_CATCH("");
    }
 
 
    ~ApplyComponentTableProcess() override {}
 
 
    void Execute() override
    {
    }
 
    void ExecuteInitialize() override
    {
        KRATOS_TRY;
 
        typedef Variable<double> component_type;
        const component_type& var_component = KratosComponents< component_type >::Get(mvariable_name);
 
        const int nnodes = static_cast<int>(mr_model_part.Nodes().size());
 
        if(nnodes != 0)
        {
            ModelPart::NodesContainerType::iterator it_begin = mr_model_part.NodesBegin();
 
            #pragma omp parallel for
            for(int i = 0; i<nnodes; i++)
            {
                ModelPart::NodesContainerType::iterator it = it_begin + i;
 
                if(mis_fixed)
                {
                    it->Fix(var_component);
                }
 
                it->FastGetSolutionStepValue(var_component) = minitial_value;
            }
        }
 
        KRATOS_CATCH("");
    }
 
    void ExecuteInitializeSolutionStep() override
    {
        KRATOS_TRY;
 
        typedef Variable<double> component_type;
        const component_type& var_component = KratosComponents< component_type >::Get(mvariable_name);
 
        const double Time = mr_model_part.GetProcessInfo()[TIME]/mTimeUnitConverter;
        double value = mpTable->GetValue(Time);
 
        const int nnodes = static_cast<int>(mr_model_part.Nodes().size());
 
        if(nnodes != 0)
        {
            ModelPart::NodesContainerType::iterator it_begin = mr_model_part.NodesBegin();
 
            #pragma omp parallel for
            for(int i = 0; i<nnodes; i++)
            {
                ModelPart::NodesContainerType::iterator it = it_begin + i;
 
                it->FastGetSolutionStepValue(var_component) = value;
            }
        }
 
        KRATOS_CATCH("");
    }
 
    std::string Info() const override
    {
        return "ApplyComponentTableProcess";
    }
 
    void PrintInfo(std::ostream& rOStream) const override
    {
        rOStream << "ApplyComponentTableProcess";
    }
 
    void PrintData(std::ostream& rOStream) const override
    {
    }
 
 
protected:
 
 
    ModelPart& mr_model_part;
    std::string mvariable_name;
    bool mis_fixed;
    double minitial_value;
    TableType::Pointer mpTable;
    double mTimeUnitConverter;
 
 
private:
 
    ApplyComponentTableProcess& operator=(ApplyComponentTableProcess const& rOther);
 
    //ApplyComponentTableProcess(ApplyComponentTableProcess const& rOther);
 
}; // Class ApplyComponentTableProcess
 
inline std::istream& operator >> (std::istream& rIStream,
                                  ApplyComponentTableProcess& rThis);
 
inline std::ostream& operator << (std::ostream& rOStream,
                                  const ApplyComponentTableProcess& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << std::endl;
    rThis.PrintData(rOStream);
 
    return rOStream;
}
 
} // namespace Kratos.
 
#endif /* KRATOS_APPLY_COMPONENT_TABLE_PROCESS defined */