CreateLocalAssemblers.h

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#pragma once
 
#include <vector>
 
#include "BaseLib/Logging.h"
#include "LocalDataInitializer.h"
#include "NumLib/DOF/LocalToGlobalIndexMap.h"
 
namespace ProcessLib
{
template <int GlobalDim,
          template <typename, typename, int> 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,
    ExtraCtorArgs&&... extra_ctor_args)
{
    static_assert(
        GlobalDim == 1 || GlobalDim == 2 || GlobalDim == 3,
        "Meshes with dimension greater than three are not supported.");
    // Shape matrices initializer
    using LocalDataInitializer =
        LocalDataInitializer<LocalAssemblerInterface,
                             LocalAssemblerImplementation, GlobalDim,
                             ExtraCtorArgs...>;
 
    DBUG("Create local assemblers.");
    // Populate the vector of local assemblers.
    local_assemblers.resize(mesh_elements.size());
 
    LocalDataInitializer initializer(dof_table, shapefunction_order);
 
    DBUG("Calling local assembler builder for all mesh elements.");
    GlobalExecutor::transformDereferenced(
        initializer, mesh_elements, local_assemblers,
        std::forward<ExtraCtorArgs>(extra_ctor_args)...);
}
 
template <template <typename, typename, int> 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,
    ExtraCtorArgs&&... extra_ctor_args)
{
    DBUG("Create local assemblers.");
 
    switch (dimension)
    {
        case 1:
            createLocalAssemblers<1, LocalAssemblerImplementation>(
                dof_table, shapefunction_order, mesh_elements, local_assemblers,
                std::forward<ExtraCtorArgs>(extra_ctor_args)...);
            break;
        case 2:
            createLocalAssemblers<2, LocalAssemblerImplementation>(
                dof_table, shapefunction_order, mesh_elements, local_assemblers,
                std::forward<ExtraCtorArgs>(extra_ctor_args)...);
            break;
        case 3:
            createLocalAssemblers<3, LocalAssemblerImplementation>(
                dof_table, shapefunction_order, mesh_elements, local_assemblers,
                std::forward<ExtraCtorArgs>(extra_ctor_args)...);
            break;
        default:
            OGS_FATAL(
                "Meshes with dimension greater than three are not supported.");
    }
}
 
}  // namespace ProcessLib