IntegrationPointData.h

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#pragma once
 
#include "IntegrationPointDataNonlocalInterface.h"
#include "MaterialLib/SolidModels/Ehlers.h"
 
namespace ProcessLib
{
namespace SmallDeformationNonlocal
{
template <typename BMatricesType, typename ShapeMatricesType,
          int DisplacementDim>
struct IntegrationPointData final : public IntegrationPointDataNonlocalInterface
{
    explicit IntegrationPointData(
        MaterialLib::Solids::Ehlers::SolidEhlers<DisplacementDim>&
            solid_material)
        : solid_material(solid_material),
          material_state_variables(
              solid_material.createMaterialStateVariables())
    {
        auto const& msv =
            static_cast<typename MaterialLib::Solids::Ehlers::StateVariables<
                DisplacementDim>&>(*material_state_variables);
 
        eps_p_V = &msv.eps_p.V;
        eps_p_D_xx = &msv.eps_p.D[0];
    }
 
    typename BMatricesType::BMatrixType b_matrices;
    typename BMatricesType::KelvinVectorType sigma, sigma_prev;
    typename BMatricesType::KelvinVectorType eps, eps_prev;
    double free_energy_density = 0;
    double damage = 0;       
    double damage_prev = 0;  
    double kappa_d_prev = 0;  
 
    MaterialLib::Solids::Ehlers::SolidEhlers<DisplacementDim>& solid_material;
    std::unique_ptr<typename MaterialLib::Solids::MechanicsBase<
        DisplacementDim>::MaterialStateVariables>
        material_state_variables;
 
    typename BMatricesType::KelvinMatrixType C;
    typename ShapeMatricesType::NodalRowVectorType N;
    typename ShapeMatricesType::GlobalDimNodalMatrixType dNdx;
 
    double const* eps_p_V;     // Used for the secondary variables output.
    double const* eps_p_D_xx;  // Used for the secondary variables output.
 
    void pushBackState()
    {
        eps_prev = eps;
        sigma_prev = sigma;
        damage_prev = damage;
        kappa_d_prev = kappa_d;
        material_state_variables->pushBackState();
    }
 
    EIGEN_MAKE_ALIGNED_OPERATOR_NEW;
};
 
}  // namespace SmallDeformationNonlocal
}  // namespace ProcessLib