Revision 892f5ccabe9b91b71d4268231331c759401b4647 authored by renchao_lu on 21 April 2021, 15:21:04 UTC, committed by renchao_lu on 23 April 2021, 09:11:34 UTC
1 parent 5203e53
SteadyStateDiffusion.h
/**
* \file
* \copyright
* Copyright (c) 2012-2021, OpenGeoSys Community (http://www.opengeosys.org)
* Distributed under a Modified BSD License.
* See accompanying file LICENSE.txt or
* http://www.opengeosys.org/project/license
*
*/
#pragma once
#include "NumLib/DOF/LocalToGlobalIndexMap.h"
#include "ProcessLib/Process.h"
#include "SteadyStateDiffusionFEM.h"
#include "SteadyStateDiffusionData.h"
#include "ProcessLib/SurfaceFlux/SurfaceFluxData.h"
namespace ProcessLib
{
namespace SteadyStateDiffusion
{
class SteadyStateDiffusion final : public Process
{
public:
SteadyStateDiffusion(
std::string name,
MeshLib::Mesh& mesh,
std::unique_ptr<ProcessLib::AbstractJacobianAssembler>&&
jacobian_assembler,
std::vector<std::unique_ptr<ParameterLib::ParameterBase>> const&
parameters,
unsigned const integration_order,
std::vector<std::vector<std::reference_wrapper<ProcessVariable>>>&&
process_variables,
SteadyStateDiffusionData&& process_data,
SecondaryVariableCollection&& secondary_variables,
std::unique_ptr<ProcessLib::SurfaceFluxData>&& surfaceflux);
//! \name ODESystem interface
//! @{
bool isLinear() const override { return true; }
//! @}
Eigen::Vector3d getFlux(std::size_t element_id,
MathLib::Point3d const& p,
double const t,
std::vector<GlobalVector*> const& x) const override
{
// fetch local_x from primary variable
std::vector<GlobalIndexType> indices_cache;
auto const r_c_indices = NumLib::getRowColumnIndices(
element_id, *_local_to_global_index_map, indices_cache);
constexpr int process_id = 0; // monolithic scheme.
std::vector<double> local_x(x[process_id]->get(r_c_indices.rows));
return _local_assemblers[element_id]->getFlux(p, t, local_x);
}
void postTimestepConcreteProcess(std::vector<GlobalVector*> const& x,
const double t,
const double /*delta_t*/,
int const process_id) override
{
// For this single process, process_id is always zero.
if (process_id != 0)
{
OGS_FATAL(
"The condition of process_id = 0 must be satisfied for "
"SteadyStateDiffusion, which is a single process.");
}
if (!_surfaceflux) // computing the surfaceflux is optional
{
return;
}
ProcessLib::ProcessVariable const& pv =
getProcessVariables(process_id)[0];
_surfaceflux->integrate(x, t, *this, process_id, _integration_order,
_mesh, pv.getActiveElementIDs());
}
private:
void initializeConcreteProcess(
NumLib::LocalToGlobalIndexMap const& dof_table,
MeshLib::Mesh const& mesh,
unsigned const integration_order) override;
void assembleConcreteProcess(const double t, double const dt,
std::vector<GlobalVector*> const& x,
std::vector<GlobalVector*> const& xdot,
int const process_id, GlobalMatrix& M,
GlobalMatrix& K, GlobalVector& b) override;
void assembleWithJacobianConcreteProcess(
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) override;
SteadyStateDiffusionData _process_data;
std::vector<std::unique_ptr<SteadyStateDiffusionLocalAssemblerInterface>>
_local_assemblers;
std::unique_ptr<ProcessLib::SurfaceFluxData> _surfaceflux;
};
} // namespace SteadyStateDiffusion
} // namespace ProcessLib
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