HeatConductionProcess.h

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include "HeatConductionFEM.h"
#include "HeatConductionProcessData.h"
#include "ProcessLib/AssemblyMixin.h"
#include "ProcessLib/Process.h"
 
namespace ProcessLib
{
namespace HeatConduction
{
class HeatConductionProcess final : public Process,
                                    private AssemblyMixin<HeatConductionProcess>
{
    friend class AssemblyMixin<HeatConductionProcess>;
 
public:
    HeatConductionProcess(
        std::string name,
        MeshLib::Mesh& mesh,
        std::unique_ptr<ProcessLib::AbstractJacobianAssembler>&&
            jacobian_assembler,
        std::vector<std::unique_ptr<ParameterLib::ParameterBase>> const&
            parameters,
        unsigned const integration_order,
        std::vector<std::vector<std::reference_wrapper<ProcessVariable>>>&&
            process_variables,
        HeatConductionProcessData&& process_data,
        SecondaryVariableCollection&& secondary_variables,
        bool const is_linear,
        bool const ls_compute_only_upon_timestep_change);

 
    bool isLinear() const override
    {
        return AssemblyMixin<HeatConductionProcess>::isLinear();
    }

 
    void computeSecondaryVariableConcrete(double const t, double const dt,
                                          std::vector<GlobalVector*> const& x,
                                          GlobalVector const& x_prev,
                                          int const process_id) override;
 
    bool shouldLinearSolverComputeOnlyUponTimestepChange() const override
    {
        // TODO move this feature to some common location for all processes.
        return _ls_compute_only_upon_timestep_change;
    }
 
private:
    void initializeConcreteProcess(
        NumLib::LocalToGlobalIndexMap const& dof_table,
        MeshLib::Mesh const& mesh,
        unsigned const integration_order) override;
 
    std::vector<std::vector<std::string>> initializeAssemblyOnSubmeshes(
        std::vector<std::reference_wrapper<MeshLib::Mesh>> const& meshes)
        override;
 
    void assembleConcreteProcess(const double t, double const /*dt*/,
                                 std::vector<GlobalVector*> const& x,
                                 std::vector<GlobalVector*> const& x_prev,
                                 int const process_id, GlobalMatrix& M,
                                 GlobalMatrix& K, GlobalVector& b) override;
 
    void assembleWithJacobianConcreteProcess(
        const double t, double const /*dt*/,
        std::vector<GlobalVector*> const& x,
        std::vector<GlobalVector*> const& x_prev, int const process_id,
        GlobalVector& b, GlobalMatrix& Jac) override;
 
    void preTimestepConcreteProcess(std::vector<GlobalVector*> const& /*x*/,
                                    const double /*t*/,
                                    const double /*dt*/,
                                    const int /*process_id*/) override;
 
    void preOutputConcreteProcess(const double t, double const dt,
                                  std::vector<GlobalVector*> const& x,
                                  std::vector<GlobalVector*> const& x_prev,
                                  int const process_id) override;
 
    HeatConductionProcessData _process_data;
 
    std::vector<std::unique_ptr<HeatConductionLocalAssemblerInterface>>
        local_assemblers_;
 
    bool const _ls_compute_only_upon_timestep_change;
};
 
}  // namespace HeatConduction
}  // namespace ProcessLib