geo_structural_base_element.hpp

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// KRATOS___
//     //   ) )
//    //         ___      ___
//   //  ____  //___) ) //   ) )
//  //    / / //       //   / /
// ((____/ / ((____   ((___/ /  MECHANICS
//
//  License:         geo_mechanics_application/license.txt
//
//  Main authors:    Vahid Galavi
//
 
#if !defined(KRATOS_GEO_STRUCTURAL_BASE_ELEMENT_H_INCLUDED)
#define KRATOS_GEO_STRUCTURAL_BASE_ELEMENT_H_INCLUDED
 
// Project includes
#include "includes/define.h"
#include "includes/element.h"
#include "includes/variables.h"
 
// Application includes
 
namespace Kratos
{
 
template <unsigned int TDim, unsigned int TNumNodes>
class KRATOS_API(GEO_MECHANICS_APPLICATION) GeoStructuralBaseElement : public Element
{
public:
    typedef std::size_t SizeType;
 
    KRATOS_CLASS_INTRUSIVE_POINTER_DEFINITION(GeoStructuralBaseElement);
 
 
    GeoStructuralBaseElement(IndexType NewId = 0) : Element(NewId) {}
 
    GeoStructuralBaseElement(IndexType NewId, const NodesArrayType& ThisNodes)
        : Element(NewId, ThisNodes)
    {
    }
 
    GeoStructuralBaseElement(IndexType NewId, GeometryType::Pointer pGeometry)
        : Element(NewId, pGeometry)
    {
    }
 
    GeoStructuralBaseElement(IndexType NewId, GeometryType::Pointer pGeometry, PropertiesType::Pointer pProperties)
        : Element(NewId, pGeometry, pProperties)
    {
        mThisIntegrationMethod = this->GetIntegrationMethod();
    }
 
    virtual ~GeoStructuralBaseElement() {}
 
 
    Element::Pointer Create(IndexType NewId,
                            NodesArrayType const& ThisNodes,
                            PropertiesType::Pointer pProperties) const override;
 
    Element::Pointer Create(IndexType NewId, GeometryType::Pointer pGeom, PropertiesType::Pointer pProperties) const override;
 
    int Check(const ProcessInfo& rCurrentProcessInfo) const override;
 
    void Initialize(const ProcessInfo& rCurrentProcessInfo) override;
 
    void GetDofList(DofsVectorType& rElementalDofList, const ProcessInfo& rCurrentProcessInfo) const override;
 
    GeometryData::IntegrationMethod GetIntegrationMethod() const override;
 
 
    void CalculateLocalSystem(MatrixType& rLeftHandSideMatrix,
                              VectorType& rRightHandSideVector,
                              const ProcessInfo& rCurrentProcessInfo) override;
 
    void CalculateLeftHandSide(MatrixType& rLeftHandSideMatrix, const ProcessInfo& rCurrentProcessInfo) override;
 
    void CalculateRightHandSide(VectorType& rRightHandSideVector, const ProcessInfo& rCurrentProcessInfo) override;
 
    void EquationIdVector(EquationIdVectorType& rResult, const ProcessInfo& rCurrentProcessInfo) const override;
 
    void CalculateMassMatrix(MatrixType& rMassMatrix, const ProcessInfo& rCurrentProcessInfo) override;
 
    void CalculateDampingMatrix(MatrixType& rDampingMatrix, const ProcessInfo& rCurrentProcessInfo) override;
 
    void GetValuesVector(Vector& rValues, int Step = 0) const override;
 
    void GetFirstDerivativesVector(Vector& rValues, int Step = 0) const override;
 
    void GetSecondDerivativesVector(Vector& rValues, int Step = 0) const override;
 
 
    void SetValuesOnIntegrationPoints(const Variable<double>& rVariable,
                                      const std::vector<double>& rValues,
                                      const ProcessInfo& rCurrentProcessInfo) override;
 
 
protected:
    static constexpr SizeType N_DOF_NODE    = (TDim == 2 ? 3 : 6);
    static constexpr SizeType N_DOF_ELEMENT = N_DOF_NODE * TNumNodes;
    static constexpr SizeType VoigtSize = (TDim == 3 ? VOIGT_SIZE_3D : VOIGT_SIZE_2D_PLANE_STRESS);
 
    struct ElementVariables {
 
 
        array_1d<double, TNumNodes * TDim> DisplacementVector;
        array_1d<double, TNumNodes * TDim> VelocityVector;
        array_1d<double, TNumNodes * TDim> NodalVolumeAcceleration;
        array_1d<double, TNumNodes * TDim> UVector;
 
        Vector DofValuesVector;
 
        Matrix NodalCrossDirection;
 
        Matrix B;
        BoundedMatrix<double, TDim, TNumNodes * TDim> NuTot;
 
        Matrix TransformationMatrix;
        array_1d<double, TDim> GaussVolumeAcceleration;
        double IntegrationCoefficient;
        Vector StrainVector;
        Vector StressVector;
        Matrix ConstitutiveMatrix;
        Vector Nu;
        Matrix GradNe;
        Matrix F;
        double detF;
        double HalfThickness;
 
        Matrix UVoigtMatrix;
    };
 
    GeometryData::IntegrationMethod mThisIntegrationMethod;
 
    std::vector<ConstitutiveLaw::Pointer> mConstitutiveLawVector;
    std::vector<Vector> mStressVector;
 
    virtual SizeType GetTotalNumberIntegrationPoints() const;
    virtual SizeType GetCrossNumberIntegrationPoints() const;
    virtual SizeType GetAlongNumberIntegrationPoints() const;
 
    virtual void InitializeElementVariables(ElementVariables& rVariables,
                                            ConstitutiveLaw::Parameters& rConstitutiveParameters,
                                            const GeometryType& Geom,
                                            const PropertiesType& Prop,
                                            const ProcessInfo& rCurrentProcessInfo) const;
 
    virtual void GetNodalDofValuesVector(Vector& rNodalVariableVector,
                                         const GeometryType& Geom,
                                         IndexType SolutionStepIndex = 0) const;
 
 
    virtual void CalculateStiffnessMatrix(MatrixType& rStiffnessMatrix, const ProcessInfo& rCurrentProcessInfo);
 
    virtual void CalculateAll(MatrixType& rLeftHandSideMatrix,
                              VectorType& rRightHandSideVector,
                              const ProcessInfo& rCurrentProcessInfo,
                              const bool CalculateStiffnessMatrixFlag,
                              const bool CalculateResidualVectorFlag);
 
    virtual void CalculateRHS(VectorType& rRightHandSideVector, const ProcessInfo& rCurrentProcessInfo);
 
    virtual void CalculateNodalCrossDirection(Matrix& NodalCrossDirection) const;
 
 
private:
    GeoStructuralBaseElement& operator=(GeoStructuralBaseElement const& rOther);
 
    GeoStructuralBaseElement(GeoStructuralBaseElement const& rOther);
 
 
    friend class Serializer;
 
    void save(Serializer& rSerializer) const override
    {
        KRATOS_SERIALIZE_SAVE_BASE_CLASS(rSerializer, Element)
    }
 
    void load(Serializer& rSerializer) override
    {
        KRATOS_SERIALIZE_LOAD_BASE_CLASS(rSerializer, Element)
    }
 
}; // Class GeoStructuralBaseElement
 
} // namespace Kratos
 
#endif // KRATOS_GEO_STRUCTURAL_BASE_ELEMENT_H_INCLUDED  defined