ThermoRichardsMechanicsProcess.cpp

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#include "ThermoRichardsMechanicsProcess.h"
 
#include <cassert>
 
#include "BaseLib/Error.h"
#include "MeshLib/Elements/Utils.h"
#include "NumLib/DOF/ComputeSparsityPattern.h"
#include "ProcessLib/Deformation/SolidMaterialInternalToSecondaryVariables.h"
#include "ProcessLib/Process.h"
#include "ProcessLib/Utils/CreateLocalAssemblersTaylorHood.h"
#include "ThermoRichardsMechanicsFEM.h"
 
namespace ProcessLib
{
namespace ThermoRichardsMechanics
{
template <int DisplacementDim>
ThermoRichardsMechanicsProcess<DisplacementDim>::ThermoRichardsMechanicsProcess(
    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,
    ThermoRichardsMechanicsProcessData<DisplacementDim>&& process_data,
    SecondaryVariableCollection&& secondary_variables,
    bool const use_monolithic_scheme)
    : Process(std::move(name), mesh, std::move(jacobian_assembler), parameters,
              integration_order, std::move(process_variables),
              std::move(secondary_variables), use_monolithic_scheme),
      process_data_(std::move(process_data))
{
    nodal_forces_ = MeshLib::getOrCreateMeshProperty<double>(
        mesh, "NodalForces", MeshLib::MeshItemType::Node, DisplacementDim);
 
    hydraulic_flow_ = MeshLib::getOrCreateMeshProperty<double>(
        mesh, "MassFlowRate", MeshLib::MeshItemType::Node, 1);
 
    heat_flux_ = MeshLib::getOrCreateMeshProperty<double>(
        mesh, "HeatFlowRate", MeshLib::MeshItemType::Node, 1);
 
    // TODO (naumov) remove ip suffix. Probably needs modification of the mesh
    // properties, s.t. there is no "overlapping" with cell/point data.
    // See getOrCreateMeshProperty.
    _integration_point_writer.emplace_back(
        std::make_unique<IntegrationPointWriter>(
            "sigma_ip",
            static_cast<int>(mesh.getDimension() == 2 ? 4 : 6) /*n components*/,
            integration_order, local_assemblers_, &LocalAssemblerIF::getSigma));
 
    _integration_point_writer.emplace_back(
        std::make_unique<IntegrationPointWriter>(
            "saturation_ip", 1 /*n components*/, integration_order,
            local_assemblers_, &LocalAssemblerIF::getSaturation));
 
    _integration_point_writer.emplace_back(
        std::make_unique<IntegrationPointWriter>(
            "porosity_ip", 1 /*n components*/, integration_order,
            local_assemblers_, &LocalAssemblerIF::getPorosity));
 
    _integration_point_writer.emplace_back(
        std::make_unique<IntegrationPointWriter>(
            "transport_porosity_ip", 1 /*n components*/, integration_order,
            local_assemblers_, &LocalAssemblerIF::getTransportPorosity));
 
    _integration_point_writer.emplace_back(
        std::make_unique<IntegrationPointWriter>(
            "swelling_stress_ip",
            static_cast<int>(mesh.getDimension() == 2 ? 4 : 6) /*n components*/,
            integration_order, local_assemblers_,
            &LocalAssemblerIF::getSwellingStress));
 
    _integration_point_writer.emplace_back(
        std::make_unique<IntegrationPointWriter>(
            "epsilon_ip",
            static_cast<int>(mesh.getDimension() == 2 ? 4 : 6) /*n components*/,
            integration_order, local_assemblers_,
            &LocalAssemblerIF::getEpsilon));
}
 
template <int DisplacementDim>
bool ThermoRichardsMechanicsProcess<DisplacementDim>::isLinear() const
{
    return false;
}
 
template <int DisplacementDim>
MathLib::MatrixSpecifications
ThermoRichardsMechanicsProcess<DisplacementDim>::getMatrixSpecifications(
    const int /*process_id*/) const
{
    auto const& l = *_local_to_global_index_map;
    return {l.dofSizeWithoutGhosts(), l.dofSizeWithoutGhosts(),
            &l.getGhostIndices(), &this->_sparsity_pattern};
}
 
template <int DisplacementDim>
void ThermoRichardsMechanicsProcess<DisplacementDim>::constructDofTable()
{
    // Create single component dof in every of the mesh's nodes.
    _mesh_subset_all_nodes = std::make_unique<MeshLib::MeshSubset>(
        _mesh, _mesh.getNodes(), process_data_.use_TaylorHood_elements);
    // Create single component dof in the mesh's base nodes.
    base_nodes_ = MeshLib::getBaseNodes(_mesh.getElements());
    mesh_subset_base_nodes_ = std::make_unique<MeshLib::MeshSubset>(
        _mesh, base_nodes_, process_data_.use_TaylorHood_elements);
 
    // TODO move the two data members somewhere else.
    // for extrapolation of secondary variables of stress or strain
    std::vector<MeshLib::MeshSubset> all__meshsubsets_single_component{
        *_mesh_subset_all_nodes};
    local_to_global_index_map_single_component_ =
        std::make_unique<NumLib::LocalToGlobalIndexMap>(
            std::move(all__meshsubsets_single_component),
            // by location order is needed for output
            NumLib::ComponentOrder::BY_LOCATION);
 
    // For temperature, which is the first variable.
    std::vector<MeshLib::MeshSubset> all__meshsubsets{*mesh_subset_base_nodes_};
 
    // For pressure, which is the second variable
    all__meshsubsets.push_back(*mesh_subset_base_nodes_);
 
    // For displacement.
    const int monolithic_process_id = 0;
    std::generate_n(std::back_inserter(all__meshsubsets),
                    getProcessVariables(monolithic_process_id)[2]
                        .get()
                        .getNumberOfGlobalComponents(),
                    [&]() { return *_mesh_subset_all_nodes; });
 
    std::vector<int> const vec_n_components{1, 1, DisplacementDim};
    _local_to_global_index_map =
        std::make_unique<NumLib::LocalToGlobalIndexMap>(
            std::move(all__meshsubsets), vec_n_components,
            NumLib::ComponentOrder::BY_LOCATION);
    assert(_local_to_global_index_map);
}
 
template <int DisplacementDim>
void ThermoRichardsMechanicsProcess<DisplacementDim>::initializeConcreteProcess(
    NumLib::LocalToGlobalIndexMap const& dof_table,
    MeshLib::Mesh const& mesh,
    unsigned const integration_order)
{
    createLocalAssemblersHM<DisplacementDim,
                            ThermoRichardsMechanicsLocalAssembler>(
        mesh.getElements(), dof_table, local_assemblers_,
        mesh.isAxiallySymmetric(), integration_order, process_data_);
 
    auto add_secondary_variable = [&](std::string const& name,
                                      int const num_components,
                                      auto get_ip_values_function)
    {
        _secondary_variables.addSecondaryVariable(
            name,
            makeExtrapolator(num_components, getExtrapolator(),
                             local_assemblers_,
                             std::move(get_ip_values_function)));
    };
 
    add_secondary_variable("sigma",
                           MathLib::KelvinVector::KelvinVectorType<
                               DisplacementDim>::RowsAtCompileTime,
                           &LocalAssemblerIF::getIntPtSigma);
 
    add_secondary_variable("swelling_stress",
                           MathLib::KelvinVector::KelvinVectorType<
                               DisplacementDim>::RowsAtCompileTime,
                           &LocalAssemblerIF::getIntPtSwellingStress);
 
    add_secondary_variable("epsilon",
                           MathLib::KelvinVector::KelvinVectorType<
                               DisplacementDim>::RowsAtCompileTime,
                           &LocalAssemblerIF::getIntPtEpsilon);
 
    add_secondary_variable("velocity", DisplacementDim,
                           &LocalAssemblerIF::getIntPtDarcyVelocity);
 
    add_secondary_variable("saturation", 1,
                           &LocalAssemblerIF::getIntPtSaturation);
 
    add_secondary_variable("porosity", 1, &LocalAssemblerIF::getIntPtPorosity);
 
    add_secondary_variable("transport_porosity", 1,
                           &LocalAssemblerIF::getIntPtTransportPorosity);
 
    add_secondary_variable("dry_density_solid", 1,
                           &LocalAssemblerIF::getIntPtDryDensitySolid);
 
    add_secondary_variable("liquid_density", 1,
                           &LocalAssemblerIF::getIntPtLiquidDensity);
 
    add_secondary_variable("viscosity", 1,
                           &LocalAssemblerIF::getIntPtViscosity);
 
    //
    // enable output of internal variables defined by material models
    //
    ProcessLib::Deformation::solidMaterialInternalToSecondaryVariables<
        LocalAssemblerIF>(process_data_.solid_materials,
                          add_secondary_variable);
 
    process_data_.element_saturation = MeshLib::getOrCreateMeshProperty<double>(
        const_cast<MeshLib::Mesh&>(mesh), "saturation_avg",
        MeshLib::MeshItemType::Cell, 1);
 
    process_data_.element_porosity = MeshLib::getOrCreateMeshProperty<double>(
        const_cast<MeshLib::Mesh&>(mesh), "porosity_avg",
        MeshLib::MeshItemType::Cell, 1);
 
    process_data_.element_liquid_density =
        MeshLib::getOrCreateMeshProperty<double>(
            const_cast<MeshLib::Mesh&>(mesh), "liquid_density_avg",
            MeshLib::MeshItemType::Cell, 1);
 
    process_data_.element_viscosity = MeshLib::getOrCreateMeshProperty<double>(
        const_cast<MeshLib::Mesh&>(mesh), "viscosity_avg",
        MeshLib::MeshItemType::Cell, 1);
 
    process_data_.element_stresses = MeshLib::getOrCreateMeshProperty<double>(
        const_cast<MeshLib::Mesh&>(mesh), "stress_avg",
        MeshLib::MeshItemType::Cell,
        MathLib::KelvinVector::KelvinVectorType<
            DisplacementDim>::RowsAtCompileTime);
 
    process_data_.pressure_interpolated =
        MeshLib::getOrCreateMeshProperty<double>(
            const_cast<MeshLib::Mesh&>(mesh), "pressure_interpolated",
            MeshLib::MeshItemType::Node, 1);
    process_data_.temperature_interpolated =
        MeshLib::getOrCreateMeshProperty<double>(
            const_cast<MeshLib::Mesh&>(mesh), "temperature_interpolated",
            MeshLib::MeshItemType::Node, 1);
 
    // Set initial conditions for integration point data.
    for (auto const& ip_writer : _integration_point_writer)
    {
        // Find the mesh property with integration point writer's name.
        auto const& name = ip_writer->name();
        if (!mesh.getProperties().existsPropertyVector<double>(name))
        {
            continue;
        }
        auto const& _meshproperty =
            *mesh.getProperties().template getPropertyVector<double>(name);
 
        // The mesh property must be defined on integration points.
        if (_meshproperty.getMeshItemType() !=
            MeshLib::MeshItemType::IntegrationPoint)
        {
            continue;
        }
 
        auto const ip_meta_data =
            getIntegrationPointMetaData(mesh.getProperties(), name);
 
        // Check the number of components.
        if (ip_meta_data.n_components !=
            _meshproperty.getNumberOfGlobalComponents())
        {
            OGS_FATAL(
                "Different number of components in meta data ({:d}) than in "
                "the integration point field data for '{:s}': {:d}.",
                ip_meta_data.n_components, name,
                _meshproperty.getNumberOfGlobalComponents());
        }
 
        // Now we have a properly named vtk's field data array and the
        // corresponding meta data.
        std::size_t position = 0;
        for (auto& local_asm : local_assemblers_)
        {
            std::size_t const integration_points_read =
                local_asm->setIPDataInitialConditions(
                    name, &_meshproperty[position],
                    ip_meta_data.integration_order);
            if (integration_points_read == 0)
            {
                OGS_FATAL(
                    "No integration points read in the integration point "
                    "initial conditions set function.");
            }
            position += integration_points_read * ip_meta_data.n_components;
        }
    }
 
    // Initialize local assemblers after all variables have been set.
    GlobalExecutor::executeMemberOnDereferenced(&LocalAssemblerIF::initialize,
                                                local_assemblers_,
                                                *_local_to_global_index_map);
}
 
template <int DisplacementDim>
void ThermoRichardsMechanicsProcess<
    DisplacementDim>::initializeBoundaryConditions()
{
    const int process_id = 0;
    initializeProcessBoundaryConditionsAndSourceTerms(
        *_local_to_global_index_map, process_id);
}
 
template <int DisplacementDim>
void ThermoRichardsMechanicsProcess<DisplacementDim>::
    setInitialConditionsConcreteProcess(std::vector<GlobalVector*>& x,
                                        double const t,
                                        int const process_id)
{
    DBUG("SetInitialConditions ThermoRichardsMechanicsProcess.");
 
    GlobalExecutor::executeMemberOnDereferenced(
        &LocalAssemblerIF::setInitialConditions, local_assemblers_,
        *_local_to_global_index_map, *x[process_id], t, _use_monolithic_scheme,
        process_id);
}
 
template <int DisplacementDim>
void ThermoRichardsMechanicsProcess<DisplacementDim>::assembleConcreteProcess(
    const double /*t*/, double const /*dt*/,
    std::vector<GlobalVector*> const& /*x*/,
    std::vector<GlobalVector*> const& /*xdot*/, int const /*process_id*/,
    GlobalMatrix& /*M*/, GlobalMatrix& /*K*/, GlobalVector& /*b*/)
{
    OGS_FATAL(
        "The Picard method or the Newton-Raphson method with numerical "
        "Jacobian is not implemented for ThermoRichardsMechanics with the full "
        "monolithic coupling scheme");
}
 
template <int DisplacementDim>
void ThermoRichardsMechanicsProcess<DisplacementDim>::
    assembleWithJacobianConcreteProcess(const double t, double const dt,
                                        std::vector<GlobalVector*> const& x,
                                        std::vector<GlobalVector*> const& xdot,
                                        int const process_id, GlobalMatrix& M,
                                        GlobalMatrix& K, GlobalVector& b,
                                        GlobalMatrix& Jac)
{
    std::vector<std::reference_wrapper<NumLib::LocalToGlobalIndexMap>>
        dof_tables;
 
    DBUG(
        "Assemble the Jacobian of ThermoRichardsMechanics for the monolithic "
        "scheme.");
    dof_tables.emplace_back(*_local_to_global_index_map);
 
    ProcessLib::ProcessVariable const& pv = getProcessVariables(process_id)[0];
 
    GlobalExecutor::executeSelectedMemberDereferenced(
        _global_assembler, &VectorMatrixAssembler::assembleWithJacobian,
        local_assemblers_, pv.getActiveElementIDs(), dof_tables, t, dt, x, xdot,
        process_id, M, K, b, Jac);
 
    auto copyRhs = [&](int const variable_id, auto& output_vector)
    {
        transformVariableFromGlobalVector(b, variable_id, dof_tables[0],
                                          output_vector, std::negate<double>());
    };
 
    copyRhs(0, *heat_flux_);
    copyRhs(1, *hydraulic_flow_);
    copyRhs(2, *nodal_forces_);
}
 
template <int DisplacementDim>
void ThermoRichardsMechanicsProcess<DisplacementDim>::
    postTimestepConcreteProcess(std::vector<GlobalVector*> const& x,
                                double const t, double const dt,
                                const int process_id)
{
    DBUG("PostTimestep ThermoRichardsMechanicsProcess.");
 
    auto const dof_tables = getDOFTables(x.size());
 
    ProcessLib::ProcessVariable const& pv = getProcessVariables(process_id)[0];
    GlobalExecutor::executeSelectedMemberOnDereferenced(
        &LocalAssemblerIF::postTimestep, local_assemblers_,
        pv.getActiveElementIDs(), dof_tables, x, t, dt);
}
 
template <int DisplacementDim>
void ThermoRichardsMechanicsProcess<DisplacementDim>::
    computeSecondaryVariableConcrete(const double t, const double dt,
                                     std::vector<GlobalVector*> const& x,
                                     GlobalVector const& x_dot,
                                     int const process_id)
{
    DBUG("Compute the secondary variables for ThermoRichardsMechanicsProcess.");
 
    auto const dof_tables = getDOFTables(x.size());
 
    ProcessLib::ProcessVariable const& pv = getProcessVariables(process_id)[0];
 
    GlobalExecutor::executeSelectedMemberOnDereferenced(
        &LocalAssemblerIF::computeSecondaryVariable, local_assemblers_,
        pv.getActiveElementIDs(), dof_tables, t, dt, x, x_dot, process_id);
}
 
template <int DisplacementDim>
std::tuple<NumLib::LocalToGlobalIndexMap*, bool> ThermoRichardsMechanicsProcess<
    DisplacementDim>::getDOFTableForExtrapolatorData() const
{
    const bool manage_storage = false;
    return std::make_tuple(local_to_global_index_map_single_component_.get(),
                           manage_storage);
}
 
template <int DisplacementDim>
NumLib::LocalToGlobalIndexMap const&
ThermoRichardsMechanicsProcess<DisplacementDim>::getDOFTable(
    const int /*process_id*/) const
{
    return *_local_to_global_index_map;
}
 
template <int DisplacementDim>
std::vector<NumLib::LocalToGlobalIndexMap const*>
ThermoRichardsMechanicsProcess<DisplacementDim>::getDOFTables(
    int const number_of_processes) const
{
    std::vector<NumLib::LocalToGlobalIndexMap const*> dof_tables;
    dof_tables.reserve(number_of_processes);
    std::generate_n(std::back_inserter(dof_tables), number_of_processes,
                    [&]() { return &getDOFTable(dof_tables.size()); });
    return dof_tables;
}
 
template class ThermoRichardsMechanicsProcess<2>;
template class ThermoRichardsMechanicsProcess<3>;
 
}  // namespace ThermoRichardsMechanics
}  // namespace ProcessLib