libMesh::SteadySolver Class Reference

#include <steady_solver.h>

Inheritance diagram for libMesh::SteadySolver:

Public Types
typedef DifferentiableSystem	sys_type
typedef TimeSolver	Parent

Public Member Functions
	SteadySolver (sys_type &s)
virtual	~SteadySolver ()
virtual Real	error_order () const
virtual bool	element_residual (bool request_jacobian, DiffContext &) override
virtual bool	side_residual (bool request_jacobian, DiffContext &) override
virtual bool	nonlocal_residual (bool request_jacobian, DiffContext &) override
virtual Real	du (const SystemNorm &) const override
virtual bool	is_steady () const override
virtual void	init ()
virtual void	init_data ()
virtual void	reinit ()
virtual void	solve ()
virtual void	advance_timestep ()
virtual void	adjoint_advance_timestep ()
virtual void	retrieve_timestep ()
virtual void	before_timestep ()
const sys_type &	system () const
sys_type &	system ()
virtual std::unique_ptr< DiffSolver > &	diff_solver ()
virtual std::unique_ptr< LinearSolver< Number > > &	linear_solver ()
void	set_solution_history (const SolutionHistory &_solution_history)
bool	is_adjoint () const
void	set_is_adjoint (bool _is_adjoint_value)

Static Public Member Functions
static std::string	get_info ()
static void	print_info (std::ostream &out=libMesh::out)
static unsigned int	n_objects ()
static void	enable_print_counter_info ()
static void	disable_print_counter_info ()

Public Attributes
bool	quiet
unsigned int	reduce_deltat_on_diffsolver_failure

Protected Types
typedef bool(DifferentiablePhysics::*	ResFuncType) (bool, DiffContext &)
typedef void(DiffContext::*	ReinitFuncType) (Real)
typedef std::map< std::string, std::pair< unsigned int, unsigned int > >	Counts

Protected Member Functions
virtual bool	_general_residual (bool request_jacobian, DiffContext &, ResFuncType time_deriv, ResFuncType constraint)
void	increment_constructor_count (const std::string &name)
void	increment_destructor_count (const std::string &name)

Protected Attributes
std::unique_ptr< DiffSolver >	_diff_solver
std::unique_ptr< LinearSolver< Number > >	_linear_solver
sys_type &	_system
std::unique_ptr< SolutionHistory >	solution_history

Static Protected Attributes
static Counts	_counts
static Threads::atomic< unsigned int >	_n_objects
static Threads::spin_mutex	_mutex
static bool	_enable_print_counter = true

Detailed Description

This class implements a TimeSolver which does a single solve of the steady state problem.

This class is part of the new DifferentiableSystem framework, which is still experimental. Users of this framework should beware of bugs and future API changes.

Author

Roy H. Stogner

Date

2006

Definition at line 47 of file steady_solver.h.

Member Typedef Documentation

Counts

typedef std::map<std::string, std::pair<unsigned int, unsigned int> > libMesh::ReferenceCounter::Counts

protectedinherited

Data structure to log the information. The log is identified by the class name.

Definition at line 117 of file reference_counter.h.

Parent

typedef TimeSolver libMesh::SteadySolver::Parent

The parent class

Definition at line 58 of file steady_solver.h.

ReinitFuncType

typedef void(DiffContext::* libMesh::TimeSolver::ReinitFuncType) (Real)

protectedinherited

Definition at line 273 of file time_solver.h.

ResFuncType

typedef bool(DifferentiablePhysics::* libMesh::TimeSolver::ResFuncType) (bool, DiffContext &)

protectedinherited

Definitions of argument types for use in refactoring subclasses.

Definition at line 271 of file time_solver.h.

sys_type

typedef DifferentiableSystem libMesh::SteadySolver::sys_type

The type of system

Definition at line 53 of file steady_solver.h.

Constructor & Destructor Documentation

SteadySolver()

libMesh::SteadySolver::SteadySolver ( sys_type &  s )

inlineexplicit

Constructor. Requires a reference to the system to be solved.

Definition at line 65 of file steady_solver.h.

: Parent(s) {}

~SteadySolver()

libMesh::SteadySolver::~SteadySolver ( )

virtual

Destructor.

Definition at line 28 of file steady_solver.C.

{
}

Member Function Documentation

_general_residual()

bool libMesh::SteadySolver::_general_residual ( bool  request_jacobian, DiffContext &  context, ResFuncType  time_deriv, ResFuncType  constraint  )

protectedvirtual

This method is the underlying implementation of the public residual methods.

Definition at line 67 of file steady_solver.C.

References libMesh::TimeSolver::_system, libMesh::DiffContext::fixed_solution_derivative, libMesh::DiffContext::get_elem_fixed_solution(), libMesh::DiffContext::get_elem_solution(), libMesh::DifferentiableSystem::get_physics(), and libMesh::System::use_fixed_solution.

Referenced by element_residual(), nonlocal_residual(), and side_residual().

{
  // If a fixed solution is requested, it will just be the current
  // solution
  if (_system.use_fixed_solution)
    {
      context.get_elem_fixed_solution() = context.get_elem_solution();
      context.fixed_solution_derivative = 1.0;
    }

  bool jacobian_computed =
    (_system.get_physics()->*time_deriv)(request_jacobian, context);

  // The user shouldn't compute a jacobian unless requested
  libmesh_assert (request_jacobian || !jacobian_computed);

  bool jacobian_computed2 =
    (_system.get_physics()->*constraint)(jacobian_computed, context);

  // The user shouldn't compute a jacobian unless requested
  libmesh_assert (jacobian_computed || !jacobian_computed2);

  return jacobian_computed2;
}

adjoint_advance_timestep()

void libMesh::TimeSolver::adjoint_advance_timestep ( )

virtualinherited

This method advances the adjoint solution to the previous timestep, after an adjoint_solve() has been performed. This will be done before every UnsteadySolver::adjoint_solve().

Reimplemented in libMesh::UnsteadySolver, and libMesh::NewmarkSolver.

Definition at line 106 of file time_solver.C.

{
}

advance_timestep()

void libMesh::TimeSolver::advance_timestep ( )

virtualinherited

This method advances the solution to the next timestep, after a solve() has been performed. Often this will be done after every UnsteadySolver::solve(), but adaptive mesh refinement and/or adaptive time step selection may require some solve() steps to be repeated.

Reimplemented in libMesh::EigenTimeSolver, libMesh::UnsteadySolver, libMesh::AdaptiveTimeSolver, and libMesh::NewmarkSolver.

Definition at line 102 of file time_solver.C.

{
}

before_timestep()

virtual void libMesh::TimeSolver::before_timestep ( )

inlinevirtualinherited

This method is for subclasses or users to override to do arbitrary processing between timesteps

Definition at line 167 of file time_solver.h.

{}

diff_solver()

virtual std::unique_ptr<DiffSolver>& libMesh::TimeSolver::diff_solver ( )

inlinevirtualinherited

An implicit linear or nonlinear solver to use at each timestep.

Reimplemented in libMesh::AdaptiveTimeSolver.

Definition at line 182 of file time_solver.h.

References libMesh::TimeSolver::_diff_solver.

Referenced by libMesh::TimeSolver::init(), libMesh::TimeSolver::init_data(), libMesh::TimeSolver::reinit(), and libMesh::TimeSolver::solve().

{ return _diff_solver; }

disable_print_counter_info()

void libMesh::ReferenceCounter::disable_print_counter_info ( )

staticinherited

Definition at line 106 of file reference_counter.C.

References libMesh::ReferenceCounter::_enable_print_counter.

Referenced by libMesh::LibMeshInit::LibMeshInit().

{
  _enable_print_counter = false;
  return;
}

du()

virtual Real libMesh::SteadySolver::du ( const SystemNorm &  ) const

inlineoverridevirtual

Returns

0, but derived classes should override this function to compute the size of the difference between successive solution iterates ||u^{n+1} - u^{n}|| in some norm.

Implements libMesh::TimeSolver.

Definition at line 107 of file steady_solver.h.

{ return 0; }

element_residual()

bool libMesh::SteadySolver::element_residual ( bool  request_jacobian, DiffContext &  context  )

overridevirtual

This method uses the DifferentiablePhysics' element_time_derivative() and element_constraint() to build a full residual/jacobian on an element.

Implements libMesh::TimeSolver.

Definition at line 34 of file steady_solver.C.

References _general_residual(), libMesh::DifferentiablePhysics::element_constraint(), and libMesh::DifferentiablePhysics::element_time_derivative().

{
  return this->_general_residual(request_jacobian,
                                 context,
                                 &DifferentiablePhysics::element_time_derivative,
                                 &DifferentiablePhysics::element_constraint);
}

enable_print_counter_info()

void libMesh::ReferenceCounter::enable_print_counter_info ( )

staticinherited

Methods to enable/disable the reference counter output from print_info()

Definition at line 100 of file reference_counter.C.

References libMesh::ReferenceCounter::_enable_print_counter.

{
  _enable_print_counter = true;
  return;
}

error_order()

virtual Real libMesh::SteadySolver::error_order ( ) const

inlinevirtual

error convergence order against deltat is not applicable to a steady problem.

Definition at line 76 of file steady_solver.h.

{ return 0.; }

get_info()

std::string libMesh::ReferenceCounter::get_info ( )

staticinherited

Gets a string containing the reference information.

Definition at line 47 of file reference_counter.C.

References libMesh::ReferenceCounter::_counts, and libMesh::Quality::name().

Referenced by libMesh::ReferenceCounter::print_info().

{
#if defined(LIBMESH_ENABLE_REFERENCE_COUNTING) && defined(DEBUG)

  std::ostringstream oss;

  oss << '\n'
      << " ---------------------------------------------------------------------------- \n"
      << "| Reference count information                                                |\n"
      << " ---------------------------------------------------------------------------- \n";

  for (const auto & pr : _counts)
    {
      const std::string name(pr.first);
      const unsigned int creations    = pr.second.first;
      const unsigned int destructions = pr.second.second;

      oss << "| " << name << " reference count information:\n"
          << "|  Creations:    " << creations    << '\n'
          << "|  Destructions: " << destructions << '\n';
    }

  oss << " ---------------------------------------------------------------------------- \n";

  return oss.str();

#else

  return "";

#endif
}

increment_constructor_count()

void libMesh::ReferenceCounter::increment_constructor_count ( const std::string &  name )

inlineprotectedinherited

Increments the construction counter. Should be called in the constructor of any derived class that will be reference counted.

Definition at line 181 of file reference_counter.h.

References libMesh::ReferenceCounter::_counts, libMesh::Quality::name(), and libMesh::Threads::spin_mtx.

Referenced by libMesh::ReferenceCountedObject< RBParametrized >::ReferenceCountedObject().

{
  Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
  std::pair<unsigned int, unsigned int> & p = _counts[name];

  p.first++;
}

increment_destructor_count()

void libMesh::ReferenceCounter::increment_destructor_count ( const std::string &  name )

inlineprotectedinherited

Increments the destruction counter. Should be called in the destructor of any derived class that will be reference counted.

Definition at line 194 of file reference_counter.h.

References libMesh::ReferenceCounter::_counts, libMesh::Quality::name(), and libMesh::Threads::spin_mtx.

Referenced by libMesh::ReferenceCountedObject< RBParametrized >::~ReferenceCountedObject().

{
  Threads::spin_mutex::scoped_lock lock(Threads::spin_mtx);
  std::pair<unsigned int, unsigned int> & p = _counts[name];

  p.second++;
}

init()

void libMesh::TimeSolver::init ( )

virtualinherited

The initialization function. This method is used to initialize internal data structures before a simulation begins.

Reimplemented in libMesh::EigenTimeSolver, libMesh::AdaptiveTimeSolver, libMesh::UnsteadySolver, and libMesh::SecondOrderUnsteadySolver.

Definition at line 64 of file time_solver.C.

References libMesh::TimeSolver::_system, libMesh::LinearSolver< T >::build(), libMesh::DiffSolver::build(), libMesh::ParallelObject::comm(), libMesh::TimeSolver::diff_solver(), and libMesh::TimeSolver::linear_solver().

Referenced by libMesh::UnsteadySolver::init().

{
  // If the user hasn't given us a solver to use,
  // just build a default solver
  if (this->diff_solver().get() == nullptr)
    this->diff_solver() = DiffSolver::build(_system);

  if (this->linear_solver().get() == nullptr)
    this->linear_solver() = LinearSolver<Number>::build(_system.comm());
}

init_data()

void libMesh::TimeSolver::init_data ( )

virtualinherited

The data initialization function. This method is used to initialize internal data structures after the underlying System has been initialized

Reimplemented in libMesh::UnsteadySolver, and libMesh::SecondOrderUnsteadySolver.

Definition at line 77 of file time_solver.C.

References libMesh::TimeSolver::_system, libMesh::TimeSolver::diff_solver(), libMesh::TimeSolver::linear_solver(), libMesh::System::name(), and libMesh::on_command_line().

Referenced by libMesh::UnsteadySolver::init_data().

{
  this->diff_solver()->init();

  if (libMesh::on_command_line("--solver-system-names"))
    this->linear_solver()->init((_system.name()+"_").c_str());
  else
    this->linear_solver()->init();
}

is_adjoint()

bool libMesh::TimeSolver::is_adjoint ( ) const

inlineinherited

Accessor for querying whether we need to do a primal or adjoint solve

Definition at line 233 of file time_solver.h.

References libMesh::TimeSolver::_is_adjoint.

Referenced by libMesh::FEMSystem::build_context().

  { return _is_adjoint; }

is_steady()

virtual bool libMesh::SteadySolver::is_steady ( ) const

inlineoverridevirtual

This is a steady-state solver.

Implements libMesh::TimeSolver.

Definition at line 112 of file steady_solver.h.

{ return true; }

linear_solver()

virtual std::unique_ptr<LinearSolver<Number> >& libMesh::TimeSolver::linear_solver ( )

inlinevirtualinherited

An implicit linear solver to use for adjoint and sensitivity problems.

Reimplemented in libMesh::AdaptiveTimeSolver.

Definition at line 187 of file time_solver.h.

References libMesh::TimeSolver::_linear_solver.

Referenced by libMesh::TimeSolver::init(), libMesh::TimeSolver::init_data(), and libMesh::TimeSolver::reinit().

{ return _linear_solver; }

n_objects()

static unsigned int libMesh::ReferenceCounter::n_objects ( )

inlinestaticinherited

Prints the number of outstanding (created, but not yet destroyed) objects.

Definition at line 83 of file reference_counter.h.

References libMesh::ReferenceCounter::_n_objects.

  { return _n_objects; }

nonlocal_residual()

bool libMesh::SteadySolver::nonlocal_residual ( bool  request_jacobian, DiffContext &  context  )

overridevirtual

This method uses the DifferentiablePhysics' nonlocal_time_derivative() and nonlocal_constraint() to build a full residual/jacobian for non-local terms.

Implements libMesh::TimeSolver.

Definition at line 56 of file steady_solver.C.

References _general_residual(), libMesh::DifferentiablePhysics::nonlocal_constraint(), and libMesh::DifferentiablePhysics::nonlocal_time_derivative().

{
  return this->_general_residual(request_jacobian,
                                 context,
                                 &DifferentiablePhysics::nonlocal_time_derivative,
                                 &DifferentiablePhysics::nonlocal_constraint);
}

print_info()

void libMesh::ReferenceCounter::print_info ( std::ostream &  out = libMesh::out )

staticinherited

Prints the reference information, by default to libMesh::out.

Definition at line 87 of file reference_counter.C.

References libMesh::ReferenceCounter::_enable_print_counter, and libMesh::ReferenceCounter::get_info().

{
  if (_enable_print_counter)
    out_stream << ReferenceCounter::get_info();
}

reinit()

void libMesh::TimeSolver::reinit ( )

virtualinherited

The reinitialization function. This method is used after changes in the mesh

Reimplemented in libMesh::EigenTimeSolver, libMesh::UnsteadySolver, libMesh::SecondOrderUnsteadySolver, and libMesh::AdaptiveTimeSolver.

Definition at line 48 of file time_solver.C.

References libMesh::TimeSolver::_system, libMesh::TimeSolver::diff_solver(), libMesh::TimeSolver::linear_solver(), libMesh::System::name(), libMesh::on_command_line(), and libMesh::TimeSolver::system().

Referenced by libMesh::UnsteadySolver::reinit().

{
  libmesh_assert(this->diff_solver().get());
  libmesh_assert_equal_to (&(this->diff_solver()->system()), &(this->system()));
  this->diff_solver()->reinit();

  libmesh_assert(this->linear_solver().get());
  this->linear_solver()->clear();
  if (libMesh::on_command_line("--solver-system-names"))
    this->linear_solver()->init((_system.name()+"_").c_str());
  else
    this->linear_solver()->init();
}

retrieve_timestep()

void libMesh::TimeSolver::retrieve_timestep ( )

virtualinherited

This method retrieves all the stored solutions at the current system.time

Reimplemented in libMesh::UnsteadySolver, and libMesh::SecondOrderUnsteadySolver.

Definition at line 110 of file time_solver.C.

{
}

set_is_adjoint()

void libMesh::TimeSolver::set_is_adjoint ( bool  _is_adjoint_value )

inlineinherited

Accessor for setting whether we need to do a primal or adjoint solve

Definition at line 240 of file time_solver.h.

References libMesh::TimeSolver::_is_adjoint.

Referenced by libMesh::DifferentiableSystem::adjoint_solve(), libMesh::FEMSystem::postprocess(), and libMesh::DifferentiableSystem::solve().

  { _is_adjoint = _is_adjoint_value; }

set_solution_history()

void libMesh::TimeSolver::set_solution_history ( const SolutionHistory &  _solution_history )

inherited

A setter function users will employ if they need to do something other than save no solution history

Definition at line 97 of file time_solver.C.

References libMesh::SolutionHistory::clone(), and libMesh::TimeSolver::solution_history.

{
  solution_history = _solution_history.clone();
}

side_residual()

bool libMesh::SteadySolver::side_residual ( bool  request_jacobian, DiffContext &  context  )

overridevirtual

This method uses the DifferentiablePhysics' side_time_derivative() and side_constraint() to build a full residual/jacobian on an element's side.

Implements libMesh::TimeSolver.

Definition at line 45 of file steady_solver.C.

References _general_residual(), libMesh::DifferentiablePhysics::side_constraint(), and libMesh::DifferentiablePhysics::side_time_derivative().

{
  return this->_general_residual(request_jacobian,
                                 context,
                                 &DifferentiablePhysics::side_time_derivative,
                                 &DifferentiablePhysics::side_constraint);
}

solve()

void libMesh::TimeSolver::solve ( )

virtualinherited

This method solves for the solution at the next timestep (or solves for a steady-state solution). Usually we will only need to solve one (non)linear system per timestep, but more complex subclasses may override this.

Reimplemented in libMesh::NewmarkSolver, libMesh::EigenTimeSolver, libMesh::UnsteadySolver, libMesh::AdaptiveTimeSolver, and libMesh::TwostepTimeSolver.

Definition at line 89 of file time_solver.C.

References libMesh::TimeSolver::diff_solver(), and libMesh::TimeSolver::system().

{
  libmesh_assert(this->diff_solver().get());
  libmesh_assert_equal_to (&(this->diff_solver()->system()), &(this->system()));
  this->diff_solver()->solve();
}

system() [1/2]

const sys_type& libMesh::TimeSolver::system ( ) const

inlineinherited

Returns

A constant reference to the system we are solving.

Definition at line 172 of file time_solver.h.

References libMesh::TimeSolver::_system.

Referenced by libMesh::TimeSolver::reinit(), and libMesh::TimeSolver::solve().

{ return _system; }

system() [2/2]

sys_type& libMesh::TimeSolver::system ( )

inlineinherited

Returns

A writable reference to the system we are solving.

Definition at line 177 of file time_solver.h.

References libMesh::TimeSolver::_system.

{ return _system; }

Member Data Documentation

_counts

ReferenceCounter::Counts libMesh::ReferenceCounter::_counts

staticprotectedinherited

Actually holds the data.

Definition at line 122 of file reference_counter.h.

Referenced by libMesh::ReferenceCounter::get_info(), libMesh::ReferenceCounter::increment_constructor_count(), and libMesh::ReferenceCounter::increment_destructor_count().

_diff_solver

std::unique_ptr<DiffSolver> libMesh::TimeSolver::_diff_solver

protectedinherited

An implicit linear or nonlinear solver to use at each timestep.

Definition at line 248 of file time_solver.h.

Referenced by libMesh::NewmarkSolver::compute_initial_accel(), libMesh::TimeSolver::diff_solver(), and libMesh::UnsteadySolver::solve().

_enable_print_counter

bool libMesh::ReferenceCounter::_enable_print_counter = true

staticprotectedinherited

Flag to control whether reference count information is printed when print_info is called.

Definition at line 141 of file reference_counter.h.

Referenced by libMesh::ReferenceCounter::disable_print_counter_info(), libMesh::ReferenceCounter::enable_print_counter_info(), and libMesh::ReferenceCounter::print_info().

_linear_solver

std::unique_ptr<LinearSolver<Number> > libMesh::TimeSolver::_linear_solver

protectedinherited

An implicit linear solver to use for adjoint problems.

Definition at line 253 of file time_solver.h.

Referenced by libMesh::TimeSolver::linear_solver().

_mutex

Threads::spin_mutex libMesh::ReferenceCounter::_mutex

staticprotectedinherited

Mutual exclusion object to enable thread-safe reference counting.

Definition at line 135 of file reference_counter.h.

_n_objects

Threads::atomic< unsigned int > libMesh::ReferenceCounter::_n_objects

staticprotectedinherited

The number of objects. Print the reference count information when the number returns to 0.

Definition at line 130 of file reference_counter.h.

Referenced by libMesh::ReferenceCounter::n_objects(), libMesh::ReferenceCounter::ReferenceCounter(), and libMesh::ReferenceCounter::~ReferenceCounter().

_system

sys_type& libMesh::TimeSolver::_system

protectedinherited

A reference to the system we are solving.

Definition at line 258 of file time_solver.h.

Referenced by libMesh::EulerSolver::_general_residual(), libMesh::Euler2Solver::_general_residual(), _general_residual(), libMesh::NewmarkSolver::_general_residual(), libMesh::UnsteadySolver::adjoint_advance_timestep(), libMesh::NewmarkSolver::advance_timestep(), libMesh::AdaptiveTimeSolver::advance_timestep(), libMesh::UnsteadySolver::advance_timestep(), libMesh::NewmarkSolver::compute_initial_accel(), libMesh::FirstOrderUnsteadySolver::compute_second_order_eqns(), libMesh::UnsteadySolver::du(), libMesh::EulerSolver::element_residual(), libMesh::Euler2Solver::element_residual(), libMesh::EigenTimeSolver::element_residual(), libMesh::SecondOrderUnsteadySolver::init(), libMesh::UnsteadySolver::init(), libMesh::TimeSolver::init(), libMesh::EigenTimeSolver::init(), libMesh::SecondOrderUnsteadySolver::init_data(), libMesh::UnsteadySolver::init_data(), libMesh::TimeSolver::init_data(), libMesh::EulerSolver::nonlocal_residual(), libMesh::Euler2Solver::nonlocal_residual(), libMesh::EigenTimeSolver::nonlocal_residual(), libMesh::UnsteadySolver::old_nonlinear_solution(), libMesh::SecondOrderUnsteadySolver::old_solution_accel(), libMesh::SecondOrderUnsteadySolver::old_solution_rate(), libMesh::NewmarkSolver::project_initial_accel(), libMesh::SecondOrderUnsteadySolver::project_initial_rate(), libMesh::SecondOrderUnsteadySolver::reinit(), libMesh::UnsteadySolver::reinit(), libMesh::TimeSolver::reinit(), libMesh::UnsteadySolver::retrieve_timestep(), libMesh::EigenTimeSolver::side_residual(), libMesh::TwostepTimeSolver::solve(), libMesh::UnsteadySolver::solve(), libMesh::EigenTimeSolver::solve(), and libMesh::TimeSolver::system().

quiet

bool libMesh::TimeSolver::quiet

inherited

Print extra debugging information if quiet == false.

Definition at line 192 of file time_solver.h.

Referenced by libMesh::TwostepTimeSolver::solve(), libMesh::UnsteadySolver::solve(), and libMesh::EigenTimeSolver::solve().

reduce_deltat_on_diffsolver_failure

unsigned int libMesh::TimeSolver::reduce_deltat_on_diffsolver_failure

inherited

This value (which defaults to zero) is the number of times the TimeSolver is allowed to halve deltat and let the DiffSolver repeat the latest failed solve with a reduced timestep.

Note

This has no effect for SteadySolvers.

You must set at least one of the DiffSolver flags "continue_after_max_iterations" or "continue_after_backtrack_failure" to allow the TimeSolver to retry the solve.

Definition at line 221 of file time_solver.h.

Referenced by libMesh::TwostepTimeSolver::solve(), and libMesh::UnsteadySolver::solve().

solution_history

std::unique_ptr<SolutionHistory> libMesh::TimeSolver::solution_history

protectedinherited

A std::unique_ptr to a SolutionHistory object. Default is NoSolutionHistory, which the user can override by declaring a different kind of SolutionHistory in the application

Definition at line 265 of file time_solver.h.

Referenced by libMesh::UnsteadySolver::adjoint_advance_timestep(), libMesh::UnsteadySolver::advance_timestep(), libMesh::UnsteadySolver::retrieve_timestep(), and libMesh::TimeSolver::set_solution_history().

---

The documentation for this class was generated from the following files:

• steady_solver.h
• steady_solver.C