fic.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Jordi Cotela
//                   Ignasi de Pouplana
//
 
#ifndef KRATOS_FIC_FLUID_ELEMENT_H
#define KRATOS_FIC_FLUID_ELEMENT_H
 
#include "includes/define.h"
#include "includes/element.h"
#include "includes/serializer.h"
#include "geometries/geometry.h"
 
#include "includes/cfd_variables.h"
#include "custom_elements/fluid_element.h"
#include "fluid_dynamics_application_variables.h"
 
namespace Kratos
{
 
 
 
 
 
 
 
 
template< class TElementData >
class FIC : public FluidElement<TElementData>
{
public:
 
    KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION(FIC);
 
    using BaseType = FluidElement<TElementData>;
 
    typedef Node NodeType;
 
    typedef Geometry<NodeType> GeometryType;
 
    typedef Geometry<NodeType>::PointsArrayType NodesArrayType;
 
    typedef Vector VectorType;
 
    typedef Matrix MatrixType;
 
    typedef std::size_t IndexType;
 
    typedef std::size_t SizeType;
 
    typedef std::vector<std::size_t> EquationIdVectorType;
 
    typedef std::vector< Dof<double>::Pointer > DofsVectorType;
 
    typedef PointerVectorSet<Dof<double>, IndexedObject> DofsArrayType;
 
    typedef Kratos::Vector ShapeFunctionsType;
 
    typedef Kratos::Matrix ShapeFunctionDerivativesType;
 
    typedef GeometryType::ShapeFunctionsGradientsType ShapeFunctionDerivativesArrayType;
 
    constexpr static unsigned int Dim = BaseType::Dim;
    constexpr static unsigned int NumNodes = BaseType::NumNodes;
    constexpr static unsigned int BlockSize = BaseType::BlockSize;
    constexpr static unsigned int LocalSize = BaseType::LocalSize;
    constexpr static unsigned int StrainSize = BaseType::StrainSize;
 
 
    //Constructors.
 
 
    FIC(IndexType NewId = 0);
 
 
    FIC(IndexType NewId, const NodesArrayType& ThisNodes);
 
 
    FIC(IndexType NewId, GeometryType::Pointer pGeometry);
 
 
    FIC(IndexType NewId, GeometryType::Pointer pGeometry, Properties::Pointer pProperties);
 
    ~FIC() override;
 
 
 
 
 
 
    Element::Pointer Create(IndexType NewId,
                            NodesArrayType const& ThisNodes,
                            Properties::Pointer pProperties) const override;
 
 
    Element::Pointer Create(IndexType NewId,
                            GeometryType::Pointer pGeom,
                            Properties::Pointer pProperties) const override;
 
    void Calculate(
        const Variable<double>& rVariable,
        double& rOutput,
        const ProcessInfo& rCurrentProcessInfo) override;
 
 
    void Calculate(
        const Variable<array_1d<double, 3 > >& rVariable,
        array_1d<double, 3 > & rOutput,
        const ProcessInfo& rCurrentProcessInfo) override;
 
 
    void Calculate(
        const Variable<Vector >& rVariable,
        Vector& Output,
        const ProcessInfo& rCurrentProcessInfo) override;
 
    void Calculate(
        const Variable<Matrix >& rVariable,
        Matrix& Output,
        const ProcessInfo& rCurrentProcessInfo) override;
 
 
    void CalculateOnIntegrationPoints(
        Variable<array_1d<double, 3>> const& rVariable,
        std::vector<array_1d<double, 3>>& rValues,
        ProcessInfo const& rCurrentProcessInfo) override;
 
    void CalculateOnIntegrationPoints(
        Variable<double> const& rVariable,
        std::vector<double>& rValues,
        ProcessInfo const& rCurrentProcessInfo) override;
 
    void CalculateOnIntegrationPoints(
        Variable<array_1d<double, 6>> const& rVariable,
        std::vector<array_1d<double, 6>>& rValues,
        ProcessInfo const& rCurrentProcessInfo) override;
 
    void CalculateOnIntegrationPoints(
        Variable<Vector> const& rVariable,
        std::vector<Vector>& rValues,
        ProcessInfo const& rCurrentProcessInfo) override;
 
    void CalculateOnIntegrationPoints(
        Variable<Matrix> const& rVariable,
        std::vector<Matrix>& rValues,
        ProcessInfo const& rCurrentProcessInfo) override;
 
 
    int Check(const ProcessInfo &rCurrentProcessInfo) const override;
 
 
    const Parameters GetSpecifications() const override;
 
    std::string Info() const override;
 
 
    void PrintInfo(std::ostream& rOStream) const override;
 
 
 
 
 
protected:
 
 
 
 
 
 
 
 
    void AddTimeIntegratedSystem(
        TElementData& rData,
        MatrixType& rLHS,
        VectorType& rRHS) override;
 
    void AddTimeIntegratedLHS(
        TElementData& rData,
        MatrixType& rLHS) override;
 
    void AddTimeIntegratedRHS(
        TElementData& rData,
        VectorType& rRHS) override;
 
    void AddVelocitySystem(
        TElementData& rData,
        MatrixType& rLocalLHS,
        VectorType& rLocalRHS) override;
 
    void AddMassLHS(
        TElementData& rData,
        MatrixType& rMassMatrix) override;
 
    // This function integrates the traction over a cut. It is only required to implement embedded formulations
    void AddBoundaryTraction(
        TElementData& rData,
        const Vector& rUnitNormal,
        MatrixType& rLHS,
        VectorType& rRHS) override;
 
    // Implementation details of FIC ////////////////////////////////////////
 
    void AddMassStabilization(
        TElementData& rData,
        MatrixType& rMassMatrix);
 
    void AddViscousTerm(
        const TElementData& rData,
        BoundedMatrix<double,LocalSize,LocalSize>& rLHS,
        VectorType& rRHS);
 
    virtual void CalculateTau(
        const TElementData& rData,
        const array_1d<double,3> &Velocity,
        double &TauIncompr,
        double &TauMomentum,
        array_1d<double,3> &TauGrad) const;
 
    virtual void CalculateTauGrad(
        const TElementData& rData,
        array_1d<double,3> &TauGrad) const;
 
    virtual void AlgebraicMomentumResidual(
        const TElementData& rData,
        const Vector& rConvection,
        array_1d<double,3>& rResidual) const;
 
 
 
 
 
 
 
private:
 
 
 
 
    friend class Serializer;
 
    void save(Serializer& rSerializer) const override;
 
    void load(Serializer& rSerializer) override;
 
 
 
 
 
 
 
 
 
 
    FIC& operator=(FIC const& rOther);
 
    FIC(FIC const& rOther);
 
 
 
}; // Class FIC
 
 
 
 
 
 
template< class TElementData >
inline std::istream& operator >>(std::istream& rIStream,
                                 FIC<TElementData>& rThis)
{
    return rIStream;
}
 
template< class TElementData >
inline std::ostream& operator <<(std::ostream& rOStream,
                                 const FIC<TElementData>& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << std::endl;
    rThis.PrintData(rOStream);
 
    return rOStream;
}
 
 
namespace Internals {
 
template <class TElementData, bool TDataKnowsAboutTimeIntegration>
class FICSpecializedAddTimeIntegratedSystem {
   public:
    static void AddSystem(FIC<TElementData>* pElement,
        TElementData& rData, Kratos::Matrix& rLHS, Vector& rRHS);
};
 
template <class TElementData>
class FICSpecializedAddTimeIntegratedSystem<TElementData, true> {
   public:
    static void AddSystem(FIC<TElementData>* pElement,
        TElementData& rData, Kratos::Matrix& rLHS, Vector& rRHS);
};
 
template <class TElementData>
class FICSpecializedAddTimeIntegratedSystem<TElementData, false> {
   public:
    static void AddSystem(FIC<TElementData>* pElement,
        TElementData& rData, Kratos::Matrix& rLHS, Vector& rRHS);
};
 
 
} // namespace Internals
 
} // namespace Kratos.
 
#endif // KRATOS_FIC_FLUID_ELEMENT_H