laplace_element.h

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//    |  /           |
//    ' /   __| _` | __|  _ \   __|
//    . \  |   (   | |   (   |\__ `
//   _|\_\_|  \__,_|\__|\___/ ____/
//                   Multi-Physics
//
//  License:         BSD License
//                   Kratos default license: kratos/license.txt
//
//  Main authors:    Suneth Warnakulasuriya
//
 
#if !defined(KRATOS_LAPLACE_ELEMENT_H_INCLUDED)
#define KRATOS_LAPLACE_ELEMENT_H_INCLUDED
 
// System includes
 
// External includes
 
// Project includes
#include "includes/define.h"
#include "includes/element.h"
 
// Application includes
 
namespace Kratos
{
 
template <unsigned int TDim, unsigned int TNumNodes>
class LaplaceElement : public Element
{
public:
 
    using BaseType = Element;
 
    using NodeType = BaseType::NodeType;
 
    using GeometryType = Geometry<NodeType>;
 
    using PropertiesType = Properties;
 
    using NodesArrayType = GeometryType::PointsArrayType;
 
    using VectorType = BaseType::VectorType;
 
    using MatrixType = BaseType::MatrixType;
 
    using EquationIdVectorType = BaseType::EquationIdVectorType;
 
    using DofsVectorType = BaseType::DofsVectorType;
 
    using IndexType = std::size_t;
 
    using ShapeFunctionDerivativesArrayType = GeometryType::ShapeFunctionsGradientsType;
 
    KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION(LaplaceElement);
 
 
    explicit LaplaceElement(
        IndexType NewId = 0)
        : Element(NewId)
    {
    }
 
    LaplaceElement(
        IndexType NewId,
        const NodesArrayType& ThisNodes)
    : Element(NewId, ThisNodes)
    {
    }
 
    LaplaceElement(
        IndexType NewId,
        GeometryType::Pointer pGeometry)
    : Element(NewId, pGeometry)
    {
    }
 
    LaplaceElement(
        IndexType NewId,
        GeometryType::Pointer pGeometry,
        PropertiesType::Pointer pProperties)
    : Element(NewId, pGeometry, pProperties)
    {
    }
 
    LaplaceElement(
        LaplaceElement const& rOther)
    : Element(rOther)
    {
    }
 
    ~LaplaceElement() override = default;
 
 
    Element::Pointer Create(
        IndexType NewId,
        NodesArrayType const& ThisNodes,
        PropertiesType::Pointer pProperties) const override
    {
        KRATOS_TRY;
        KRATOS_ERROR << "Attempting to Create base "
                        "LaplaceElement instances."
                     << std::endl;
        KRATOS_CATCH("");
    }
 
    Element::Pointer Create(
        IndexType NewId,
        GeometryType::Pointer pGeom,
        PropertiesType::Pointer pProperties) const override
    {
        KRATOS_TRY;
        KRATOS_ERROR << "Attempting to Create base "
                        "LaplaceElement instances."
                     << std::endl;
        KRATOS_CATCH("");
    }
 
    Element::Pointer Clone(
        IndexType NewId,
        NodesArrayType const& ThisNodes) const override
    {
        KRATOS_TRY;
        KRATOS_ERROR << "Attempting to Clone base "
                        "LaplaceElement instances."
                     << std::endl;
        KRATOS_CATCH("");
    }
 
    virtual const Variable<double>& GetVariable() const
    {
        KRATOS_TRY;
        KRATOS_ERROR << "Attempting to call base "
                        "LaplaceElement "
                        "GetVariable method. Please implement it in the "
                        "derrived class."
                     << std::endl;
        KRATOS_CATCH("");
    }
 
    void EquationIdVector(
        EquationIdVectorType& rResult,
        const ProcessInfo& CurrentProcessInfo) const override;
 
    void GetDofList(
        DofsVectorType& rElementalDofList,
        const ProcessInfo& CurrentProcessInfo) const override;
 
    void GetValuesVector(
        VectorType& rValues,
        int Step = 0) const override;
 
    void GetValuesArray(
        BoundedVector<double, TNumNodes>& rValues,
        int Step = 0) const;
 
    GeometryData::IntegrationMethod GetIntegrationMethod() const override;
 
    virtual void CalculateLocalSystem(
        MatrixType& rLeftHandSideMatrix,
        VectorType& rRightHandSideVector,
        const ProcessInfo& rCurrentProcessInfo) override;
 
    void CalculateLeftHandSide(
        MatrixType& rLeftHandSideMatrix,
        const ProcessInfo& rCurrentProcessInfo) override;
 
    void CalculateBoundedLeftHandSide(
        BoundedMatrix<double, TNumNodes, TNumNodes>& rLeftHandSideMatrix,
        const ProcessInfo& rCurrentProcessInfo
    ) const;
 
    virtual void CalculateRightHandSide(
        VectorType& rRightHandSideVector,
        const ProcessInfo& rCurrentProcessInfo) override;
 
    int Check(const ProcessInfo& rCurrentProcessInfo) const override;
 
 
    std::string Info() const override
    {
        std::stringstream buffer;
        buffer << "LaplaceElement #" << this->Id();
        return buffer.str();
    }
    void PrintInfo(std::ostream& rOStream) const override
    {
        rOStream << "LaplaceElement #" << this->Id();
    }
 
 
protected:
 
    virtual void CalculateGeometryData(
        Vector& rGaussWeights,
        Matrix& rNContainer,
        ShapeFunctionDerivativesArrayType& rDN_DX) const;
 
 
private:
 
    friend class Serializer;
 
    void save(Serializer& rSerializer) const override
    {
        KRATOS_TRY
 
        KRATOS_SERIALIZE_SAVE_BASE_CLASS(rSerializer, Element);
 
        KRATOS_CATCH("");
    }
    void load(Serializer& rSerializer) override
    {
        KRATOS_TRY
 
        KRATOS_SERIALIZE_LOAD_BASE_CLASS(rSerializer, Element);
 
        KRATOS_CATCH("");
    }
 
}; // Class LaplaceElement
 
 
 
template <unsigned int TDim, unsigned int TNumNodes>
inline std::istream& operator>>(std::istream& rIStream,
                                LaplaceElement<TDim, TNumNodes>& rThis);
 
template <unsigned int TDim, unsigned int TNumNodes>
inline std::ostream& operator<<(std::ostream& rOStream,
                                const LaplaceElement<TDim, TNumNodes>& rThis)
{
    rThis.PrintInfo(rOStream);
    rOStream << " : " << std::endl;
    rThis.PrintData(rOStream);
    return rOStream;
}
 
 
} // namespace Kratos.
 
#endif // KRATOS_LAPLACE_ELEMENT_H_INCLUDED defined