embedded_fluid_element.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main author:     Ruben Zorrilla
//  Co-authors:      Jordi Cotela
//
 
#ifndef KRATOS_EMBEDDED_FLUID_ELEMENT_H
#define KRATOS_EMBEDDED_FLUID_ELEMENT_H
 
#include "includes/define.h"
#include "includes/element.h"
#include "includes/serializer.h"
#include "geometries/geometry.h"
#include "modified_shape_functions/modified_shape_functions.h"
 
#include "includes/cfd_variables.h"
#include "custom_elements/fluid_element.h"
 
#include "custom_utilities/embedded_data.h"
 
namespace Kratos
{
 
 
 
 
 
 
 
template< class TBaseElement >
class EmbeddedFluidElement : public TBaseElement
{
public:
 
    KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION(EmbeddedFluidElement);
 
    typedef Node NodeType;
 
    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 Geometry<NodeType>::ShapeFunctionsGradientsType ShapeFunctionDerivativesArrayType;
 
    constexpr static unsigned int Dim = TBaseElement::Dim;
    constexpr static unsigned int NumNodes = TBaseElement::NumNodes;
    constexpr static unsigned int BlockSize = TBaseElement::BlockSize;
    constexpr static unsigned int LocalSize = TBaseElement::LocalSize;
    constexpr static unsigned int StrainSize = TBaseElement::StrainSize;
 
    using BaseElementData = typename TBaseElement::ElementData;
    using EmbeddedElementData = EmbeddedData< BaseElementData >;
 
 
    //Constructors.
 
 
    EmbeddedFluidElement(IndexType NewId = 0);
 
 
    EmbeddedFluidElement(IndexType NewId, const NodesArrayType& ThisNodes);
 
 
    EmbeddedFluidElement(IndexType NewId, Geometry<NodeType>::Pointer pGeometry);
 
 
    EmbeddedFluidElement(IndexType NewId, Geometry<NodeType>::Pointer pGeometry, Properties::Pointer pProperties);
 
    ~EmbeddedFluidElement() override;
 
 
 
 
 
 
    Element::Pointer Create(IndexType NewId,
                            NodesArrayType const& ThisNodes,
                            Properties::Pointer pProperties) const override;
 
 
    Element::Pointer Create(IndexType NewId,
                            Geometry<NodeType>::Pointer pGeom,
                            Properties::Pointer pProperties) const override;
 
 
    void Initialize(const ProcessInfo &rCurrentProcessInfo) override;
 
 
    void CalculateLocalSystem(MatrixType& rLeftHandSideMatrix,
        VectorType& rRightHandSideVector,
        const ProcessInfo& rCurrentProcessInfo) 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 &rOutput,
        const ProcessInfo &rCurrentProcessInfo) override;
 
 
    void Calculate(
        const Variable<Matrix> &rVariable,
        Matrix &rOutput,
        const ProcessInfo &rCurrentProcessInfo) override;
 
 
    using TBaseElement::CalculateOnIntegrationPoints;
 
    void CalculateOnIntegrationPoints(
        const Variable<array_1d<double, 3>> &rVariable,
        std::vector<array_1d<double, 3>> &rValues,
        const ProcessInfo &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 InitializeGeometryData(EmbeddedElementData& rData) const;
 
    void DefineStandardGeometryData(EmbeddedElementData& rData) const;
 
    void DefineCutGeometryData(EmbeddedElementData& rData) const;
 
    void NormalizeInterfaceNormals(typename EmbeddedElementData::InterfaceNormalsType& rNormals, double Tolerance) const;
 
    void AddSlipNormalPenaltyContribution(
        MatrixType& rLHS,
        VectorType& rRHS,
        const EmbeddedElementData& rData) const;
 
    void AddSlipNormalSymmetricCounterpartContribution(
        MatrixType& rLHS,
        VectorType& rRHS,
        const EmbeddedElementData& rData) const;
 
    void AddSlipTangentialPenaltyContribution(
        MatrixType& rLHS,
        VectorType& rRHS,
        const EmbeddedElementData& rData) const;
 
    void AddSlipTangentialSymmetricCounterpartContribution(
        MatrixType& rLHS,
        VectorType& rRHS,
        const EmbeddedElementData& rData) const;
 
    double ComputeSlipNormalPenaltyCoefficient(
        const EmbeddedElementData& rData,
        const Vector& rN) const;
 
    std::pair<const double, const double> ComputeSlipTangentialPenaltyCoefficients(
        const EmbeddedElementData& rData) const;
 
    std::pair<const double, const double> ComputeSlipTangentialNitscheCoefficients(
        const EmbeddedElementData& rData) const;
 
    void AddBoundaryConditionPenaltyContribution(
        MatrixType& rLHS,
        VectorType& rRHS,
        const EmbeddedElementData& rData) const;
 
    double ComputePenaltyCoefficient(
        const EmbeddedElementData& rData,
        const Vector& rN) const;
 
    void DropOuterNodesVelocityContribution(
        MatrixType& rLHS,
        VectorType& rRHS,
        const EmbeddedElementData& rData) const;
 
    void AddBoundaryConditionModifiedNitscheContribution(
        MatrixType& rLHS,
        VectorType& rRHS,
        const EmbeddedElementData& rData) const;
 
 
 
 
 
 
 
 
 
private:
 
 
 
 
    friend class Serializer;
 
    void save(Serializer& rSerializer) const override;
 
    void load(Serializer& rSerializer) override;
 
 
 
 
    void CalculateDragForce(
        EmbeddedElementData& rData,
        array_1d<double,3>& rDragForce) const;
 
    void CalculateDragForceCenter(
        EmbeddedElementData& rData,
        array_1d<double,3>& rDragForceLocation) const;
 
    inline double AuxiliaryDensityGetter(
        const EmbeddedElementData& rData,
        const unsigned int NodeIndex) const;
 
 
 
 
 
 
    EmbeddedFluidElement& operator=(EmbeddedFluidElement const& rOther);
 
    EmbeddedFluidElement(EmbeddedFluidElement const& rOther);
 
 
 
}; // Class EmbeddedFluidElement
 
namespace Internals {
 
template <size_t TDim, size_t TNumNodes>
ModifiedShapeFunctions::Pointer GetShapeFunctionCalculator(
    const Element& rElement, const Vector& rDistance);
 
}
 
 
 
 
 
 
template< class TElementData >
inline std::istream& operator >>(std::istream& rIStream,
                                 EmbeddedFluidElement<TElementData>& rThis)
{
    return rIStream;
}
 
template< class TElementData >
inline std::ostream& operator <<(std::ostream& rOStream,
                                 const EmbeddedFluidElement<TElementData>& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << std::endl;
    rThis.PrintData(rOStream);
 
    return rOStream;
}
 
 
} // namespace Kratos.
 
#endif // KRATOS_EMBEDDED_FLUID_ELEMENT_H