heat_model.hh

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/*!
 *
 * Copyright (C) 2015 Technical University of Liberec.  All rights reserved.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 3 as published by the
 * Free Software Foundation. (http://www.gnu.org/licenses/gpl-3.0.en.html)
 * 
 * This program 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.
 *
 * 
 * @file    heat_model.hh
 * @brief   Discontinuous Galerkin method for equation of transport with dispersion.
 * @author  Jan Stebel
 */

#ifndef HEAT_MODEL_HH_
#define HEAT_MODEL_HH_

#include "advection_diffusion_model.hh"
#include "fields/bc_field.hh"
#include "fields/bc_multi_field.hh"
#include "fields/field.hh"
#include "fields/multi_field.hh"



class HeatTransferModel : public AdvectionDiffusionModel, public AdvectionProcessBase {
public:

    class ModelEqData : public FieldSet {
    public:

        enum Heat_bc_types {
            bc_inflow,
            bc_dirichlet,
            bc_total_flux,
            bc_diffusive_flux
        };

        /// Type of boundary condition (see also BC_Type)
        BCField<3, FieldValue<3>::Enum > bc_type;
        /// Dirichlet boundary condition for temperature.
        BCMultiField<3, FieldValue<3>::Scalar> bc_dirichlet_value;
        /// Flux value in total/diffusive flux b.c.
        BCField<3, FieldValue<3>::Scalar > bc_flux;
        /// Transition coefficient in total/diffusive flux b.c.
        BCField<3, FieldValue<3>::Scalar > bc_robin_sigma;
        /// Initial temperature.
        Field<3, FieldValue<3>::Scalar> init_temperature;
        /// Porosity of solid.
        Field<3, FieldValue<3>::Scalar> porosity;
        /// Density of fluid.
        Field<3, FieldValue<3>::Scalar> fluid_density;
        /// Heat capacity of fluid.
        Field<3, FieldValue<3>::Scalar> fluid_heat_capacity;
        /// Heat conductivity of fluid.
        Field<3, FieldValue<3>::Scalar> fluid_heat_conductivity;
        /// Density of solid.
        Field<3, FieldValue<3>::Scalar> solid_density;
        /// Heat capacity of solid.
        Field<3, FieldValue<3>::Scalar> solid_heat_capacity;
        /// Heat conductivity of solid.
        Field<3, FieldValue<3>::Scalar> solid_heat_conductivity;
        /// Longitudal heat dispersivity.
        Field<3, FieldValue<3>::Scalar> disp_l;
        /// Transversal heat dispersivity.
        Field<3, FieldValue<3>::Scalar> disp_t;
        /// Thermal source in fluid.
        Field<3, FieldValue<3>::Scalar> fluid_thermal_source;
        /// Thermal source in solid.
        Field<3, FieldValue<3>::Scalar> solid_thermal_source;
        /// Heat exchange rate in fluid.
        Field<3, FieldValue<3>::Scalar> fluid_heat_exchange_rate;
        /// Heat exchange rate in solid.
        Field<3, FieldValue<3>::Scalar> solid_heat_exchange_rate;
        /// Reference temperature in fluid.
        Field<3, FieldValue<3>::Scalar> fluid_ref_temperature;
        /// Reference temperature in solid.
        Field<3, FieldValue<3>::Scalar> solid_ref_temperature;

        /// Pointer to DarcyFlow field cross_section
        Field<3, FieldValue<3>::Scalar > cross_section;


        MultiField<3, FieldValue<3>::Scalar> output_field;



        ModelEqData();

        static  constexpr const char *  name() { return "HeatTransfer"; }

        static string default_output_field() { return "\"temperature\""; }

        static const Input::Type::Selection & get_bc_type_selection();

        static IT::Selection get_output_selection();
    };



    typedef AdvectionProcessBase FactoryBaseType;


    HeatTransferModel(Mesh &mesh, const Input::Record in_rec);

    void set_components(SubstanceList &substances, const Input::Record &in_rec) override;

    void compute_mass_matrix_coefficient(const std::vector<arma::vec3 > &point_list,
            const ElementAccessor<3> &ele_acc,
            std::vector<double> &mm_coef) override;

    void compute_advection_diffusion_coefficients(const std::vector<arma::vec3 > &point_list,
            const std::vector<arma::vec3> &velocity,
            const ElementAccessor<3> &ele_acc,
            std::vector<std::vector<arma::vec3> > &ad_coef,
            std::vector<std::vector<arma::mat33> > &dif_coef) override;

    void compute_init_cond(const std::vector<arma::vec3> &point_list,
            const ElementAccessor<3> &ele_acc,
            std::vector< arma::vec > &init_values) override;

    void get_bc_type(const ElementAccessor<3> &ele_acc,
                arma::uvec &bc_types) override;

    void get_flux_bc_data(unsigned int index,
            const std::vector<arma::vec3> &point_list,
            const ElementAccessor<3> &ele_acc,
            std::vector< double > &bc_flux,
            std::vector< double > &bc_sigma,
            std::vector< double > &bc_ref_value) override;

    void get_flux_bc_sigma(unsigned int index,
            const std::vector<arma::vec3> &point_list,
            const ElementAccessor<3> &ele_acc,
            std::vector< double > &bc_sigma) override;

    void compute_source_coefficients(const std::vector<arma::vec3> &point_list,
                const ElementAccessor<3> &ele_acc,
                std::vector<arma::vec> &sources_conc,
                std::vector<arma::vec> &sources_density,
                std::vector<arma::vec> &sources_sigma) override;

    void compute_sources_sigma(const std::vector<arma::vec3> &point_list,
                const ElementAccessor<3> &ele_acc,
                std::vector<arma::vec> &sources_sigma) override;

    ~HeatTransferModel() override;

    /**
     * @brief Updates the velocity field which determines some coefficients of the transport equation.
     *
         * @param dh mixed hybrid dof handler
         *
     * (So far it does not work since the flow module returns a vector of zeros.)
     */
    inline void set_velocity_field(const MH_DofHandler &dh) override
    {
        mh_dh = &dh;
        flux_changed = true;
    }

    /// Returns number of transported substances.
    inline unsigned int n_substances()
    { return 1; }

    /// Returns reference to the vector of substance names.
    inline SubstanceList &substances()
    { return substances_; }


protected:

    /// Derived class should implement getter for ModelEqData instance.
    virtual ModelEqData &data() = 0;

    /**
     * Create input type that can be passed to the derived class.
     * @param implementation String characterizing the numerical method, e.g. DG, FEM, FVM.
     * @param description    Comment used to describe the record key.
     * @return
     */
    static IT::Record get_input_type(const string &implementation, const string &description);

    void output_data() override;

    std::shared_ptr<OutputTime> &output_stream()
    { return output_stream_; }

    virtual void calculate_cumulative_balance() = 0;

    virtual void calculate_instant_balance() = 0;

    /// Indicator of change in advection vector field.
    bool flux_changed;

    /// Transported substances.
    SubstanceList substances_;

    /**
     * Temporary solution how to pass velocity field form the flow model.
     * TODO: introduce FieldDiscrete -containing true DOFHandler and data vector and pass such object together with other
     * data. Possibly make more general set_data method, allowing setting data given by name. needs support from EqDataBase.
     */
    const MH_DofHandler *mh_dh;

    /// List of indices used to call balance methods for a set of quantities.
    vector<unsigned int> subst_idx;

    std::shared_ptr<OutputTime> output_stream_;


};





#endif /* HEAT_MODEL_HH_ */