VectorMatrixAssembler.h

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include <vector>
 
#include "AbstractJacobianAssembler.h"
#include "Assembly/MatrixOutput.h"
 
namespace NumLib
{
class LocalToGlobalIndexMap;
}  // namespace NumLib
 
namespace ProcessLib
{
 
class LocalAssemblerInterface;

class VectorMatrixAssembler final
{
public:
    explicit VectorMatrixAssembler(
        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<NumLib::LocalToGlobalIndexMap const*> const& dof_tables,
        double const t, double const dt, std::vector<GlobalVector*> const& x,
        std::vector<GlobalVector*> const& x_prev, int const process_id,
        GlobalMatrix* M, GlobalMatrix* K, GlobalVector* b);

    void assembleWithJacobian(
        std::size_t const mesh_item_id,
        LocalAssemblerInterface& local_assembler,
        std::vector<NumLib::LocalToGlobalIndexMap const*> const& dof_tables,
        const double t, double const dt, std::vector<GlobalVector*> const& x,
        std::vector<GlobalVector*> const& x_prev, int const process_id,
        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;

    AbstractJacobianAssembler& _jacobian_assembler;
 
    Assembly::LocalMatrixOutput _local_output;
};
 
}  // namespace ProcessLib