SmallDeformation/CreateSmallDeformationProcess.cpp

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#include "CreateSmallDeformationProcess.h"
 
#include <cassert>
 
#include "MaterialLib/MPL/CreateMaterialSpatialDistributionMap.h"
#include "MaterialLib/SolidModels/CreateConstitutiveRelation.h"
#include "ParameterLib/Utils.h"
#include "ProcessLib/Output/CreateSecondaryVariables.h"
#include "ProcessLib/Utils/ProcessUtils.h"
#include "SmallDeformationProcess.h"
#include "SmallDeformationProcessData.h"
 
namespace ProcessLib
{
namespace SmallDeformation
{
void checkMPLProperties(
    std::map<int, std::shared_ptr<MaterialPropertyLib::Medium>> const& media)
{
    for (auto const& m : media)
    {
        checkRequiredProperties(m.second->phase("Solid"),
                                {{MaterialPropertyLib::density}});
    }
}
 
template <int DisplacementDim>
std::unique_ptr<Process> createSmallDeformationProcess(
    std::string const& name,
    MeshLib::Mesh& mesh,
    std::unique_ptr<ProcessLib::AbstractJacobianAssembler>&& jacobian_assembler,
    std::vector<ProcessVariable> const& variables,
    std::vector<std::unique_ptr<ParameterLib::ParameterBase>> const& parameters,
    std::optional<ParameterLib::CoordinateSystem> const&
        local_coordinate_system,
    unsigned const integration_order,
    BaseLib::ConfigTree const& config,
    std::map<int, std::shared_ptr<MaterialPropertyLib::Medium>> const& media)
{
    config.checkConfigParameter("type", "SMALL_DEFORMATION");
    DBUG("Create SmallDeformationProcess.");


    auto const pv_config = config.getConfigSubtree("process_variables");

    auto per_process_variables = findProcessVariables(
        variables, pv_config,
        {
         "process_variable"});
 
    DBUG("Associate displacement with process variable '{:s}'.",
         per_process_variables.back().get().getName());
 
    if (per_process_variables.back().get().getNumberOfGlobalComponents() !=
        DisplacementDim)
    {
        OGS_FATAL(
            "Number of components of the process variable '{:s}' is different "
            "from the displacement dimension: got {:d}, expected {:d}",
            per_process_variables.back().get().getName(),
            per_process_variables.back().get().getNumberOfGlobalComponents(),
            DisplacementDim);
    }
    std::vector<std::vector<std::reference_wrapper<ProcessVariable>>>
        process_variables;
    process_variables.push_back(std::move(per_process_variables));

    auto solid_constitutive_relations =
        MaterialLib::Solids::createConstitutiveRelations<DisplacementDim>(
            parameters, local_coordinate_system, materialIDs(mesh), config);

    if (config.getConfigParameterOptional<std::string>("solid_density"))
    {
        OGS_FATAL(
            "The <solid_density> tag has been removed. Use <media> definitions "
            "to specify solid's density.");
    }
 
    // Specific body force
    Eigen::Matrix<double, DisplacementDim, 1> specific_body_force;
    {
        std::vector<double> const b =
            config.getConfigParameter<std::vector<double>>(
                "specific_body_force");
        if (b.size() != DisplacementDim)
        {
            OGS_FATAL(
                "The size of the specific body force vector does not match the "
                "displacement dimension. Vector size is {:d}, displacement "
                "dimension is {:d}",
                b.size(), DisplacementDim);
        }
 
        std::copy_n(b.data(), b.size(), specific_body_force.data());
    }

    auto const use_b_bar = config.getConfigParameter<bool>("use_b_bar", false);
 
    auto media_map =
        MaterialPropertyLib::createMaterialSpatialDistributionMap(media, mesh);
    DBUG(
        "Check the media properties of SmallDeformation process "
        "...");
    checkMPLProperties(media);
    DBUG("Media properties verified.");
 
    // Reference temperature
    auto const reference_temperature = ParameterLib::findOptionalTagParameter<
        double>(
        config, "reference_temperature", parameters, 1, &mesh);
    if (reference_temperature)
    {
        DBUG("Use '{:s}' as reference temperature parameter.",
             (*reference_temperature).name);
    }
 
    // Initial stress conditions
    auto const initial_stress = ParameterLib::findOptionalTagParameter<double>(
        config, "initial_stress", parameters,
        // Symmetric tensor size, 4 or 6, not a Kelvin vector.
        MathLib::KelvinVector::kelvin_vector_dimensions(DisplacementDim),
        &mesh);
 
    auto const is_linear =
        config.getConfigParameter("linear", false);
 
    SmallDeformationProcessData<DisplacementDim> process_data{
        materialIDs(mesh),
        std::move(media_map),
        std::move(solid_constitutive_relations),
        initial_stress,
        specific_body_force,
        reference_temperature,
        use_b_bar};
 
    SecondaryVariableCollection secondary_variables;
 
    ProcessLib::createSecondaryVariables(config, secondary_variables);
 
    return std::make_unique<SmallDeformationProcess<DisplacementDim>>(
        std::move(name), mesh, std::move(jacobian_assembler), parameters,
        integration_order, std::move(process_variables),
        std::move(process_data), std::move(secondary_variables), is_linear);
}
 
template std::unique_ptr<Process> createSmallDeformationProcess<2>(
    std::string const& name,
    MeshLib::Mesh& mesh,
    std::unique_ptr<ProcessLib::AbstractJacobianAssembler>&& jacobian_assembler,
    std::vector<ProcessVariable> const& variables,
    std::vector<std::unique_ptr<ParameterLib::ParameterBase>> const& parameters,
    std::optional<ParameterLib::CoordinateSystem> const&
        local_coordinate_system,
    unsigned const integration_order,
    BaseLib::ConfigTree const& config,
    std::map<int, std::shared_ptr<MaterialPropertyLib::Medium>> const& media);
 
template std::unique_ptr<Process> createSmallDeformationProcess<3>(
    std::string const& name,
    MeshLib::Mesh& mesh,
    std::unique_ptr<ProcessLib::AbstractJacobianAssembler>&& jacobian_assembler,
    std::vector<ProcessVariable> const& variables,
    std::vector<std::unique_ptr<ParameterLib::ParameterBase>> const& parameters,
    std::optional<ParameterLib::CoordinateSystem> const&
        local_coordinate_system,
    unsigned const integration_order,
    BaseLib::ConfigTree const& config,
    std::map<int, std::shared_ptr<MaterialPropertyLib::Medium>> const& media);
 
}  // namespace SmallDeformation
}  // namespace ProcessLib