grain_size.h

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/*
  Copyright (C) 2014 - 2024 by the authors of the ASPECT code.
 
  This file is part of ASPECT.
 
  ASPECT is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2, or (at your option)
  any later version.
 
  ASPECT is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with ASPECT; see the file doc/COPYING.  If not see
  <http://www.gnu.org/licenses/>.
*/
 
 
#ifndef _aspect_material_model_grain_size_h
#define _aspect_material_model_grain_size_h
 
#include <aspect/material_model/interface.h>
#include <aspect/material_model/reaction_model/grain_size_evolution.h>
 
#include <aspect/material_model/utilities.h>
#include <aspect/simulator_access.h>
#include <aspect/material_model/rheology/drucker_prager.h>
 
#include <deal.II/matrix_free/fe_point_evaluation.h>
 
#include <array>
 
namespace aspect
{
  namespace MaterialModel
  {
    template <int dim>
    class DislocationViscosityOutputs : public NamedAdditionalMaterialOutputs<dim>
    {
      public:
        DislocationViscosityOutputs(const unsigned int n_points);
 
        std::vector<double> get_nth_output(const unsigned int idx) const override;
 
        std::vector<double> dislocation_viscosities;
 
        std::vector<double> diffusion_viscosities;
    };
 
 
 
    template <int dim>
    class GrainSize : public MaterialModel::Interface<dim>, public ::aspect::SimulatorAccess<dim>
    {
      public:
        void
        initialize () override;
 
        bool is_compressible () const override;
 
        void evaluate(const typename Interface<dim>::MaterialModelInputs &in,
                      typename Interface<dim>::MaterialModelOutputs &out) const override;
 
        static
        void
        declare_parameters (ParameterHandler &prm);
 
        void
        parse_parameters (ParameterHandler &prm) override;
 
        void
        create_additional_named_outputs (MaterialModel::MaterialModelOutputs<dim> &out) const override;
 
        double enthalpy (const double      temperature,
                         const double      pressure,
                         const std::vector<double> &compositional_fields,
                         const Point<dim> &position) const;
 
        std::array<std::pair<double, unsigned int>,2>
        enthalpy_derivative (const typename Interface<dim>::MaterialModelInputs &in) const;
 
      private:
        double reference_rho;
        double reference_T;
        double eta;
        double thermal_alpha;
        double reference_specific_heat;
 
        double reference_compressibility;
 
        double k_value;
 
        double dislocation_viscosity_iteration_threshold;
        unsigned int dislocation_viscosity_iteration_number;
        std::vector<double> dislocation_creep_exponent;
        std::vector<double> dislocation_activation_energy;
        std::vector<double> dislocation_activation_volume;
        std::vector<double> dislocation_creep_prefactor;
        std::vector<double> diffusion_creep_exponent;
        std::vector<double> diffusion_activation_energy;
        std::vector<double> diffusion_activation_volume;
        std::vector<double> diffusion_creep_prefactor;
        std::vector<double> diffusion_creep_grain_size_exponent;
 
        double max_temperature_dependence_of_eta;
        double min_eta;
        double max_eta;
        double min_specific_heat;
        double max_specific_heat;
        double min_thermal_expansivity;
        double max_thermal_expansivity;
        unsigned int max_latent_heat_substeps;
        double minimum_grain_size;
 
        double diffusion_viscosity (const double temperature,
                                    const double adiabatic_temperature,
                                    const double adiabatic_pressure,
                                    const double grain_size,
                                    const double second_strain_rate_invariant,
                                    const unsigned int phase_index) const;
 
        double dislocation_viscosity (const double temperature,
                                      const double adiabatic_temperature,
                                      const double adiabatic_pressure,
                                      const SymmetricTensor<2,dim> &strain_rate,
                                      const unsigned int phase_index,
                                      const double diffusion_viscosity,
                                      const double viscosity_guess = 0) const;
 
        double density (const double temperature,
                        const double pressure,
                        const std::vector<double> &compositional_fields,
                        const Point<dim> &position) const;
 
        double compressibility (const double temperature,
                                const double pressure,
                                const std::vector<double> &compositional_fields,
                                const Point<dim> &position) const;
 
        double specific_heat (const double temperature,
                              const double pressure,
                              const std::vector<double> &compositional_fields,
                              const Point<dim> &position) const;
 
        double thermal_expansion_coefficient (const double      temperature,
                                              const double      pressure,
                                              const std::vector<double> &compositional_fields,
                                              const Point<dim> &position) const;
 
        double seismic_Vp (const double      temperature,
                           const double      pressure,
                           const std::vector<double> &compositional_fields,
                           const Point<dim> &position) const;
 
        double seismic_Vs (const double      temperature,
                           const double      pressure,
                           const std::vector<double> &compositional_fields,
                           const Point<dim> &position) const;
 
 
        unsigned int
        get_phase_index (const MaterialUtilities::PhaseFunctionInputs<dim> &in) const;
 
 
        std::vector<unsigned int> n_phase_transitions;
 
        std::shared_ptr<MaterialUtilities::PhaseFunction<dim>> phase_function;
 
 
        std::string datadirectory;
        std::vector<std::string> material_file_names;
        std::vector<std::string> derivatives_file_names;
        unsigned int n_material_data;
        bool use_table_properties;
        bool use_enthalpy;
        bool use_bilinear_interpolation;
 
 
        enum formats
        {
          perplex,
          hefesto
        };
        formats material_file_format;
 
        std::vector<std::unique_ptr<MaterialModel::MaterialUtilities::Lookup::MaterialLookup>> material_lookup;
 
        mutable std::unique_ptr<FEPointEvaluation<1, dim>> temperature_evaluator;
        mutable std::unique_ptr<FEPointEvaluation<1, dim>> pressure_evaluator;
 
        /*
         * Object for computing plastic stresses, viscosities, and additional outputs,
         * as well as an object for the required input parameters.
         *
         * This variable is read from the parameter file through a parameter called 'Use Drucker-Prager rheology'.
         */
        bool enable_drucker_prager_rheology;
        bool use_adiabatic_pressure_for_yielding;
        Rheology::DruckerPrager<dim> drucker_prager_plasticity;
        Rheology::DruckerPragerParameters drucker_prager_parameters;
 
        std::unique_ptr<ReactionModel::GrainSizeEvolution<dim>> grain_size_evolution;
    };
 
  }
}
 
#endif