ThermoMechanicalPhaseFieldProcess.h
/**
* \file
* \copyright
* Copyright (c) 2012-2023, 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 "LocalAssemblerInterface.h"
#include "ProcessLib/Process.h"
#include "ThermoMechanicalPhaseFieldProcessData.h"
namespace ProcessLib
{
namespace ThermoMechanicalPhaseField
{
struct ThermoMechanicalPhaseFieldLocalAssemblerInterface;
/**
* \brief A class to simulate thermo-mechanical fracturing process
* using phase-field approach in solids described by
*
* \f[
* \mathrm{div} \left[ \left(d^2 + k \right) \boldsymbol{\sigma}_0^+
* + \boldsymbol{\sigma}_0^- \right] +
* \varrho \boldsymbol{b} = \boldsymbol{0}
* \f]
* \f[
* 2d \psi^+(\boldsymbol{\epsilon}_\mathrm{el})
* - \frac{1 - d}{2 \varepsilon} g_\mathrm{c}
* - 2 \varepsilon g_\mathrm{c} \mathrm{div}(\mathrm{grad} d) = 0
* \f]
* \f[
* (\varrho c_\mathrm{p})_\mathrm{eff} \dfrac{\partial \vartheta}{\partial
* t}
* - \mathrm{div} \left(\boldsymbol{\kappa}_\mathrm{eff}
* \mathrm{grad}\,\vartheta \right) = 0 \f] where \f{eqnarray*}{
* &d:& \mbox{order parameter,}\\
* &\varrho:& \mbox{density,}\\
* &g_\mathrm{c}:& \mbox{fracture energy,}\\
* &\varepsilon:& \mbox{length scale}\\
* &c_\mathrm{p}:& \mbox{specific heat capacity in constant
* pressure}\\
* &\kappa_\mathrm{eff}:& \mbox{effectiev thermal conductivity}\\
* \f}
*
* Detailed model description can refer \cite Kolditz:2018.
*/
template <int DisplacementDim>
class ThermoMechanicalPhaseFieldProcess final : public Process
{
public:
ThermoMechanicalPhaseFieldProcess(
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,
ThermoMechanicalPhaseFieldProcessData<DisplacementDim>&& process_data,
SecondaryVariableCollection&& secondary_variables,
int const mechanics_related_process_id,
int const phase_field_process_id,
int const heat_conduction_process_id);
//! \name ODESystem interface
//! @{
bool isLinear() const override;
//! @}
MathLib::MatrixSpecifications getMatrixSpecifications(
const int process_id) const override;
NumLib::LocalToGlobalIndexMap const& getDOFTable(
const int process_id) const override;
private:
void constructDofTable() override;
void initializeBoundaryConditions() override;
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, int const process_id,
GlobalMatrix& M, GlobalMatrix& K, GlobalVector& b,
GlobalMatrix& Jac) override;
void preTimestepConcreteProcess(std::vector<GlobalVector*> const& x,
double const t, double const dt,
const int process_id) override;
void postTimestepConcreteProcess(std::vector<GlobalVector*> const& x,
std::vector<GlobalVector*> const& x_dot,
double const t, double const dt,
int const process_id) override;
void postNonLinearSolverConcreteProcess(GlobalVector const& x,
GlobalVector const& xdot,
const double t, double const dt,
int const process_id) override;
// To be replaced.
NumLib::LocalToGlobalIndexMap& getDOFTableByProcessID(
const int process_id) const;
private:
ThermoMechanicalPhaseFieldProcessData<DisplacementDim> _process_data;
std::vector<
std::unique_ptr<ThermoMechanicalPhaseFieldLocalAssemblerInterface>>
_local_assemblers;
std::unique_ptr<NumLib::LocalToGlobalIndexMap>
_local_to_global_index_map_single_component;
/// Sparsity pattern for the phase field equation, and it is initialized
// only if the staggered scheme is used.
GlobalSparsityPattern _sparsity_pattern_with_single_component;
/// ID of the processes that contains mechanical process.
int const _mechanics_related_process_id;
/// ID of phase field process.
int const _phase_field_process_id;
/// ID of heat conduction process.
int const _heat_conduction_process_id;
};
extern template class ThermoMechanicalPhaseFieldProcess<2>;
extern template class ThermoMechanicalPhaseFieldProcess<3>;
} // namespace ThermoMechanicalPhaseField
} // namespace ProcessLib