static_step_method.hpp

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//
//   Project Name:        KratosSolidMechanicsApplication $
//   Created by:          $Author:            JMCarbonell $
//   Last modified by:    $Co-Author:                     $
//   Date:                $Date:            November 2017 $
//   Revision:            $Revision:                  0.0 $
//
//
 
#if !defined(KRATOS_STATIC_STEP_METHOD_H_INCLUDED)
#define  KRATOS_STATIC_STEP_METHOD_H_INCLUDED
 
// System includes
 
// External includes
 
// Project includes
#include "custom_solvers/time_integration_methods/static_method.hpp"
 
namespace Kratos
{
 
 
 
 
 
 
 
 
  template<class TVariableType, class TValueType>
  class KRATOS_API(SOLID_MECHANICS_APPLICATION) StaticStepMethod : public StaticMethod<TVariableType,TValueType>
  {
  public:
 
 
    typedef TimeIntegrationMethod<TVariableType,TValueType>  BaseType;
 
    typedef typename BaseType::Pointer                BasePointerType;
 
    typedef typename BaseType::NodeType                      NodeType;
 
    typedef typename BaseType::VariablePointer        VariablePointer;
 
    typedef StaticMethod<TVariableType,TValueType>        DerivedType;
 
 
    KRATOS_CLASS_POINTER_DEFINITION( StaticStepMethod );
 
 
 
    StaticStepMethod() : DerivedType()
    {
      mpStepVariable = nullptr;
    }
 
    StaticStepMethod(const TVariableType& rVariable) : DerivedType(rVariable)
    {
      mpStepVariable = nullptr;
    }
 
    StaticStepMethod(const TVariableType& rVariable, const TVariableType& rFirstDerivative, const TVariableType& rSecondDerivative) : DerivedType(rVariable,rFirstDerivative,rSecondDerivative)
    {
      mpStepVariable = nullptr;
    }
 
    StaticStepMethod(const TVariableType& rVariable, const TVariableType& rFirstDerivative, const TVariableType& rSecondDerivative, const TVariableType& rPrimaryVariable) : DerivedType(rVariable,rFirstDerivative,rSecondDerivative,rPrimaryVariable)
    {
      mpStepVariable = nullptr;
    }
 
    StaticStepMethod(StaticStepMethod& rOther)
      :DerivedType(rOther)
      ,mpStepVariable(rOther.mpStepVariable)
    {
    }
 
    BasePointerType Clone() override
    {
      return BasePointerType( new StaticStepMethod(*this) );
    }
 
    ~StaticStepMethod() override{}
 
 
 
    // has step variable
    bool HasStepVariable() override
    {
      return true;
    }
 
    // set step variable (step variable)
    void SetStepVariable(const TVariableType& rStepVariable) override
    {
      mpStepVariable = &rStepVariable;
    }
 
    // Assign
    void Assign(NodeType& rNode) override
    {
     KRATOS_TRY
 
     this->PredictStepVariable(rNode);
     this->PredictVariable(rNode);
 
     KRATOS_CATCH( "" )
    }
 
    // predict
    void Predict(NodeType& rNode) override
    {
     KRATOS_TRY
 
     this->PredictStepVariable(rNode);
     this->PredictVariable(rNode);
 
     KRATOS_CATCH( "" )
    }
 
    // update
    void Update(NodeType& rNode) override
    {
     KRATOS_TRY
 
     this->UpdateStepVariable(rNode);
     this->UpdateVariable(rNode);
 
     KRATOS_CATCH( "" )
    }
 
    int Check( const ProcessInfo& rCurrentProcessInfo ) override
    {
      KRATOS_TRY
 
      // Perform base integration method checks
      int ErrorCode = 0;
      ErrorCode = BaseType::Check(rCurrentProcessInfo);
 
 
      if( this->mpStepVariable == nullptr ){
        KRATOS_ERROR << " time integration method Step Variable not set " <<std::endl;
      }
 
      return ErrorCode;
 
      KRATOS_CATCH("")
    }
 
 
 
 
 
    std::string Info() const override
    {
        std::stringstream buffer;
        buffer << "StaticStepMethod";
        return buffer.str();
    }
 
    void PrintInfo(std::ostream& rOStream) const override
    {
        rOStream << "StaticStepMethod";
    }
 
    void PrintData(std::ostream& rOStream) const override
    {
      rOStream << "StaticStepMethod Data";
    }
 
 
 
 
 
  protected:
 
 
 
    // method variables
    VariablePointer mpStepVariable;
 
 
 
    void PredictVariable(NodeType& rNode) override
    {
      KRATOS_TRY
 
      const TValueType& CurrentVariable          = rNode.FastGetSolutionStepValue(*this->mpVariable,         0);
      TValueType& PreviousVariable               = rNode.FastGetSolutionStepValue(*this->mpVariable,         1);
 
      // update variable previous iteration instead of previous step
      PreviousVariable = CurrentVariable;
 
      KRATOS_CATCH( "" )
    }
 
    virtual void PredictStepVariable(NodeType& rNode)
    {
      KRATOS_TRY
 
      // predict step variable from previous and current values
      TValueType& CurrentStepVariable            = rNode.FastGetSolutionStepValue(*this->mpStepVariable,     0);
 
      const TValueType& CurrentVariable          = rNode.FastGetSolutionStepValue(*this->mpVariable,         0);
      const TValueType& PreviousVariable         = rNode.FastGetSolutionStepValue(*this->mpVariable,         1);
 
      CurrentStepVariable = CurrentVariable-PreviousVariable;
 
      KRATOS_CATCH( "" )
    }
 
 
    virtual void UpdateStepVariable(NodeType& rNode)
    {
      KRATOS_TRY
 
      // predict step variable from previous and current values
      TValueType& CurrentStepVariable            = rNode.FastGetSolutionStepValue(*this->mpStepVariable,     0);
 
      const TValueType& CurrentVariable          = rNode.FastGetSolutionStepValue(*this->mpVariable,         0);
      const TValueType& PreviousVariable         = rNode.FastGetSolutionStepValue(*this->mpVariable,         1);
 
      CurrentStepVariable += CurrentVariable-PreviousVariable;
 
      KRATOS_CATCH( "" )
    }
 
    void UpdateVariable(NodeType& rNode) override
    {
      KRATOS_TRY
 
      const TValueType& CurrentVariable          = rNode.FastGetSolutionStepValue(*this->mpVariable,         0);
      TValueType& PreviousVariable               = rNode.FastGetSolutionStepValue(*this->mpVariable,         1);
 
      // update variable previous iteration instead of previous step
      PreviousVariable = CurrentVariable;
 
      KRATOS_CATCH( "" )
    }
 
 
 
 
 
  private:
 
 
 
 
 
 
    friend class Serializer;
 
    void save(Serializer& rSerializer) const override
    {
      KRATOS_SERIALIZE_SAVE_BASE_CLASS( rSerializer, BaseType )
      // rSerializer.save("StepVariable", mpStepVariable);
    };
 
    void load(Serializer& rSerializer) override
    {
      KRATOS_SERIALIZE_LOAD_BASE_CLASS( rSerializer, BaseType )
      // rSerializer.load("StepVariable", mpStepVariable);
    };
 
 
 
 
  }; // Class StaticStepMethod
 
 
 
 
 
  template<class TVariableType, class TValueType>
  inline std::istream & operator >> (std::istream & rIStream, StaticStepMethod<TVariableType,TValueType>& rThis)
  {
    return rIStream;
  }
 
  template<class TVariableType, class TValueType>
  inline std::ostream & operator << (std::ostream & rOStream, const StaticStepMethod<TVariableType,TValueType>& rThis)
  {
    return rOStream << rThis.Info();
  }
 
 
 
}  // namespace Kratos.
 
#endif // KRATOS_STATIC_STEP_METHOD_H_INCLUDED defined