BoundaryConditionAndSourceTerm/Utils/CreateLocalAssemblers.h

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include <vector>
 
#include "BaseLib/Logging.h"
#include "LocalAssemblerFactory.h"
#include "NumLib/DOF/LocalToGlobalIndexMap.h"
 
namespace ProcessLib
{
namespace BoundaryConditionAndSourceTerm
{
namespace detail
{
template <int GlobalDim,
          template <typename /* shp fct */, int /* global dim */>
          class LocalAssemblerImplementation,
          typename LocalAssemblerInterface, typename... ExtraCtorArgs>
void createLocalAssemblers(
    NumLib::LocalToGlobalIndexMap const& dof_table,
    const unsigned shapefunction_order,
    std::vector<MeshLib::Element*> const& mesh_elements,
    std::vector<std::unique_ptr<LocalAssemblerInterface>>& local_assemblers,
    NumLib::IntegrationOrder const integration_order,
    ExtraCtorArgs&&... extra_ctor_args)
{
    using LocalAssemblerFactory =
        LocalAssemblerFactory<LocalAssemblerInterface,
                              LocalAssemblerImplementation, GlobalDim,
                              ExtraCtorArgs...>;
 
    DBUG("Create local assemblers.");
 
    NumLib::DefaultIntegrationMethodProvider integration_method_provider{
        integration_order};
    LocalAssemblerFactory factory(dof_table, integration_method_provider,
                                  shapefunction_order);
    local_assemblers.resize(mesh_elements.size());
 
    DBUG("Calling local assembler builder for all mesh elements.");
    GlobalExecutor::transformDereferenced(
        factory, mesh_elements, local_assemblers,
        std::forward<ExtraCtorArgs>(extra_ctor_args)...);
}
}  // namespace detail
template <template <typename /* shp fct */, int /* global dim */>
          class LocalAssemblerImplementation,
          typename LocalAssemblerInterface, typename... ExtraCtorArgs>
void createLocalAssemblers(
    const unsigned dimension,
    std::vector<MeshLib::Element*> const& mesh_elements,
    NumLib::LocalToGlobalIndexMap const& dof_table,
    const unsigned shapefunction_order,
    std::vector<std::unique_ptr<LocalAssemblerInterface>>& local_assemblers,
    NumLib::IntegrationOrder const integration_order,
    ExtraCtorArgs&&... extra_ctor_args)
{
    DBUG("Create local assemblers.");
 
    switch (dimension)
    {
        case 0:
            detail::createLocalAssemblers<0, LocalAssemblerImplementation>(
                dof_table, shapefunction_order, mesh_elements, local_assemblers,
                integration_order,
                std::forward<ExtraCtorArgs>(extra_ctor_args)...);
            break;
        case 1:
            detail::createLocalAssemblers<1, LocalAssemblerImplementation>(
                dof_table, shapefunction_order, mesh_elements, local_assemblers,
                integration_order,
                std::forward<ExtraCtorArgs>(extra_ctor_args)...);
            break;
        case 2:
            detail::createLocalAssemblers<2, LocalAssemblerImplementation>(
                dof_table, shapefunction_order, mesh_elements, local_assemblers,
                integration_order,
                std::forward<ExtraCtorArgs>(extra_ctor_args)...);
            break;
        case 3:
            detail::createLocalAssemblers<3, LocalAssemblerImplementation>(
                dof_table, shapefunction_order, mesh_elements, local_assemblers,
                integration_order,
                std::forward<ExtraCtorArgs>(extra_ctor_args)...);
            break;
        default:
            OGS_FATAL(
                "Meshes with dimension greater than three are not supported.");
    }
}
}  // namespace BoundaryConditionAndSourceTerm
}  // namespace ProcessLib