VectorMatrixAssembler.h

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#pragma once
 
#include <vector>
#include "NumLib/NumericsConfig.h"
#include "AbstractJacobianAssembler.h"
#include "CoupledSolutionsForStaggeredScheme.h"
 
namespace NumLib
{
class LocalToGlobalIndexMap;
}  // NumLib
 
namespace ProcessLib
{
struct CoupledSolutionsForStaggeredScheme;
 
class LocalAssemblerInterface;
 
class VectorMatrixAssembler final
{
public:
    explicit VectorMatrixAssembler(
        std::unique_ptr<AbstractJacobianAssembler>&& jacobian_assembler);
 
    void preAssemble(const std::size_t mesh_item_id,
                     LocalAssemblerInterface& local_assembler,
                     const NumLib::LocalToGlobalIndexMap& dof_table,
                     const double t, double const dt, const GlobalVector& x);
 
    void assemble(std::size_t const mesh_item_id,
                  LocalAssemblerInterface& local_assembler,
                  std::vector<std::reference_wrapper<
                      NumLib::LocalToGlobalIndexMap>> const& dof_tables,
                  double const t, double const dt,
                  std::vector<GlobalVector*> const& x,
                  std::vector<GlobalVector*> const& xdot, int const process_id,
                  GlobalMatrix& M, GlobalMatrix& K, GlobalVector& b);
 
    void assembleWithJacobian(
        std::size_t const mesh_item_id,
        LocalAssemblerInterface& local_assembler,
        std::vector<
            std::reference_wrapper<NumLib::LocalToGlobalIndexMap>> const&
            dof_tables,
        const double t, double const dt, std::vector<GlobalVector*> const& x,
        std::vector<GlobalVector*> const& xdot, const double dxdot_dx,
        const double dx_dx, int const process_id, GlobalMatrix& M,
        GlobalMatrix& K, GlobalVector& b, GlobalMatrix& Jac);
 
private:
    // temporary data only stored here in order to avoid frequent memory
    // reallocations.
    std::vector<double> _local_M_data;
    std::vector<double> _local_K_data;
    std::vector<double> _local_b_data;
    std::vector<double> _local_Jac_data;
 
    std::unique_ptr<AbstractJacobianAssembler> _jacobian_assembler;
};
 
}  // namespace ProcessLib