polyfem::solver::AdjointForm Class Reference

#include <AdjointForm.hpp>

Inheritance diagram for polyfem::solver::AdjointForm:

Collaboration diagram for polyfem::solver::AdjointForm:

Public Member Functions
	AdjointForm (const VariableToSimulationGroup &variable_to_simulations)
virtual	~AdjointForm ()
virtual std::string	name () const override
void	enable_energy_print (const std::string &print_energy_keyword)
double	value (const Eigen::VectorXd &x) const override
	Compute the value of the form multiplied with the weigth.
virtual void	solution_changed (const Eigen::VectorXd &new_x) override
	Update cached fields upon a change in the solution.
const VariableToSimulationGroup &	get_variable_to_simulations () const
virtual Eigen::MatrixXd	compute_reduced_adjoint_rhs (const Eigen::VectorXd &x, const State &state) const
virtual void	compute_partial_gradient (const Eigen::VectorXd &x, Eigen::VectorXd &gradv) const
virtual void	first_derivative (const Eigen::VectorXd &x, Eigen::VectorXd &gradv) const final override
	Compute the first derivative of the value wrt x multiplied with the weigth.
virtual Eigen::MatrixXd	compute_adjoint_rhs (const Eigen::VectorXd &x, const State &state) const
virtual void	update_quantities (const double t, const Eigen::VectorXd &x) final override
	Update time-dependent fields.
virtual void	init_lagging (const Eigen::VectorXd &x) final override
	Initialize lagged fields TODO: more than one step.
virtual void	update_lagging (const Eigen::VectorXd &x, const int iter_num) final override
	Update lagged fields.
Public Member Functions inherited from polyfem::solver::Form
virtual	~Form ()
virtual void	init (const Eigen::VectorXd &x)
	Initialize the form.
virtual void	finish ()
Eigen::VectorXd	value_per_element (const Eigen::VectorXd &x) const
	Compute the value of the form multiplied with the weigth.
void	second_derivative (const Eigen::VectorXd &x, StiffnessMatrix &hessian) const
	Compute the second derivative of the value wrt x multiplied with the weigth.
virtual bool	is_step_valid (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const
	Determine if a step from solution x0 to solution x1 is allowed.
virtual double	max_step_size (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const
	Determine the maximum step size allowable between the current and next solution.
virtual void	line_search_begin (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1)
	Initialize variables used during the line search.
virtual void	line_search_end ()
	Clear variables used during the line search.
virtual void	post_step (const polysolve::nonlinear::PostStepData &data)
	Update fields after a step in the optimization.
virtual int	max_lagging_iterations () const
	Get the maximum number of lagging iteration allowable.
virtual bool	uses_lagging () const
	Does this form require lagging?
void	set_project_to_psd (bool val)
	Set project to psd.
bool	is_project_to_psd () const
	Get if the form's second derivative is projected to psd.
void	enable ()
	Enable the form.
void	disable ()
	Disable the form.
void	set_enabled (const bool enabled)
	Set if the form is enabled.
bool	enabled () const
	Determine if the form is enabled.
virtual double	weight () const
	Get the form's multiplicative constant weight.
void	set_weight (const double weight)
	Set the form's multiplicative constant weight.
virtual bool	is_step_collision_free (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const
	Checks if the step is collision free.
void	set_output_dir (const std::string &output_dir)

Protected Types
enum class	PrintStage { Inactive , AlreadyPrinted , ToPrint }

Protected Member Functions
virtual void	first_derivative_unweighted (const Eigen::VectorXd &x, Eigen::VectorXd &gradv) const final override
	Compute the first derivative of the value wrt x.
virtual void	second_derivative_unweighted (const Eigen::VectorXd &x, StiffnessMatrix &hessian) const final override
	Compute the second derivative of the value wrt x.
Protected Member Functions inherited from polyfem::solver::Form
std::string	resolve_output_path (const std::string &path) const
virtual double	value_unweighted (const Eigen::VectorXd &x) const =0
	Compute the value of the form.
virtual Eigen::VectorXd	value_per_element_unweighted (const Eigen::VectorXd &x) const
	Compute the value of the form multiplied per element.

Protected Attributes
const VariableToSimulationGroup	variable_to_simulations_
PrintStage	print_energy_ = PrintStage::Inactive
std::string	print_energy_keyword_
Protected Attributes inherited from polyfem::solver::Form
bool	project_to_psd_ = false
	If true, the form's second derivative is projected to be positive semidefinite.
double	weight_ = 1
	weight of the form (e.g., AL penalty weight or Δt²)
bool	enabled_ = true
	If true, the form is enabled.
std::string	output_dir_

Detailed Description

Definition at line 8 of file AdjointForm.hpp.

Member Enumeration Documentation

PrintStage

enum class polyfem::solver::AdjointForm::PrintStage

strongprotected

Enumerator
Inactive
AlreadyPrinted
ToPrint

Definition at line 38 of file AdjointForm.hpp.

Constructor & Destructor Documentation

AdjointForm()

polyfem::solver::AdjointForm::AdjointForm ( const VariableToSimulationGroup &  variable_to_simulations )

inline

Definition at line 11 of file AdjointForm.hpp.

~AdjointForm()

virtual polyfem::solver::AdjointForm::~AdjointForm ( )

inlinevirtual

Definition at line 12 of file AdjointForm.hpp.

Member Function Documentation

compute_adjoint_rhs()

Eigen::MatrixXd polyfem::solver::AdjointForm::compute_adjoint_rhs ( const Eigen::VectorXd &  x, const State &  state  ) const

virtual

Reimplemented in polyfem::solver::StaticForm, polyfem::solver::MinTargetDistForm, polyfem::solver::TransientForm, and polyfem::solver::ProxyTransientForm.

Definition at line 74 of file AdjointForm.cpp.

References polyfem::State::diff_cached, polyfem::State::ndof(), and polyfem::solver::DiffCache::size().

Referenced by compute_reduced_adjoint_rhs().

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compute_partial_gradient()

void polyfem::solver::AdjointForm::compute_partial_gradient ( const Eigen::VectorXd &  x, Eigen::VectorXd &  gradv  ) const

virtual

Reimplemented in polyfem::solver::StaticForm, polyfem::solver::ParametrizationForm, polyfem::solver::MinJacobianForm, polyfem::solver::AMIPSForm, polyfem::solver::CollisionBarrierForm, polyfem::solver::DeformedCollisionBarrierForm, polyfem::solver::BoundarySmoothingForm, polyfem::solver::MinTargetDistForm, polyfem::solver::TransientForm, polyfem::solver::ProxyTransientForm, and polyfem::solver::CompositeForm.

Definition at line 69 of file AdjointForm.cpp.

References x.

Referenced by first_derivative().

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compute_reduced_adjoint_rhs()

Eigen::MatrixXd polyfem::solver::AdjointForm::compute_reduced_adjoint_rhs ( const Eigen::VectorXd &  x, const State &  state  ) const

virtual

Reimplemented in polyfem::solver::CompositeForm.

Definition at line 38 of file AdjointForm.cpp.

References compute_adjoint_rhs(), polyfem::State::lin_solver_cached, polyfem::solver::SolveData::nl_problem, polyfem::State::problem, polyfem::State::solve_data, and x.

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enable_energy_print()

void polyfem::solver::AdjointForm::enable_energy_print

(

const std::string &

print_energy_keyword

)

Definition at line 21 of file AdjointForm.cpp.

References print_energy_, print_energy_keyword_, and ToPrint.

first_derivative()

void polyfem::solver::AdjointForm::first_derivative ( const Eigen::VectorXd &  x, Eigen::VectorXd &  gradv  ) const

finaloverridevirtual

Compute the first derivative of the value wrt x multiplied with the weigth.

Parameters

[in]	x	Current solution
[out]	gradv	Output gradient of the value wrt x

Reimplemented from polyfem::solver::Form.

Definition at line 57 of file AdjointForm.cpp.

References polyfem::solver::VariableToSimulationGroup::compute_adjoint_term(), compute_partial_gradient(), variable_to_simulations_, and x.

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first_derivative_unweighted()

void polyfem::solver::AdjointForm::first_derivative_unweighted ( const Eigen::VectorXd &  x, Eigen::VectorXd &  gradv  ) const

finaloverrideprotectedvirtual

Compute the first derivative of the value wrt x.

Parameters

[in]	x	Current solution
[out]	gradv	Output gradient of the value wrt x

Implements polyfem::solver::Form.

Definition at line 64 of file AdjointForm.cpp.

References polyfem::log_and_throw_adjoint_error().

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get_variable_to_simulations()

const VariableToSimulationGroup & polyfem::solver::AdjointForm::get_variable_to_simulations ( ) const

inline

Definition at line 20 of file AdjointForm.hpp.

References variable_to_simulations_.

init_lagging()

void polyfem::solver::AdjointForm::init_lagging ( const Eigen::VectorXd &  x )

finaloverridevirtual

Initialize lagged fields TODO: more than one step.

Parameters

x	Current solution

Reimplemented from polyfem::solver::Form.

Definition at line 82 of file AdjointForm.cpp.

name()

virtual std::string polyfem::solver::AdjointForm::name ( ) const

inlineoverridevirtual

Implements polyfem::solver::Form.

Reimplemented in polyfem::solver::StaticForm, polyfem::solver::MaxStressForm, polyfem::solver::MinJacobianForm, polyfem::solver::AMIPSForm, polyfem::solver::CollisionBarrierForm, polyfem::solver::LayerThicknessForm, polyfem::solver::DeformedCollisionBarrierForm, polyfem::solver::SpatialIntegralForm, polyfem::solver::ElasticEnergyForm, polyfem::solver::StressNormForm, polyfem::solver::ComplianceForm, polyfem::solver::StressForm, polyfem::solver::TargetForm, polyfem::solver::SDFTargetForm, polyfem::solver::MeshTargetForm, and polyfem::solver::NodeTargetForm.

Definition at line 14 of file AdjointForm.hpp.

Referenced by second_derivative_unweighted().

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second_derivative_unweighted()

void polyfem::solver::AdjointForm::second_derivative_unweighted ( const Eigen::VectorXd &  x, StiffnessMatrix &  hessian  ) const

finaloverrideprotectedvirtual

Compute the second derivative of the value wrt x.

Parameters

[in]	x	Current solution
[out]	hessian	Output Hessian of the value wrt x

Implements polyfem::solver::Form.

Definition at line 33 of file AdjointForm.cpp.

References polyfem::log_and_throw_adjoint_error(), and name().

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solution_changed()

void polyfem::solver::AdjointForm::solution_changed ( const Eigen::VectorXd &  new_x )

overridevirtual

Update cached fields upon a change in the solution.

Parameters

new_x

New solution

Reimplemented from polyfem::solver::Form.

Reimplemented in polyfem::solver::StaticForm, polyfem::solver::CompositeForm, polyfem::solver::ParametrizationForm, polyfem::solver::TransientForm, polyfem::solver::CollisionBarrierForm, and polyfem::solver::DeformedCollisionBarrierForm.

Definition at line 27 of file AdjointForm.cpp.

References AlreadyPrinted, print_energy_, and ToPrint.

Referenced by polyfem::solver::StaticForm::solution_changed(), polyfem::solver::CompositeForm::solution_changed(), polyfem::solver::TransientForm::solution_changed(), polyfem::solver::CollisionBarrierForm::solution_changed(), and polyfem::solver::DeformedCollisionBarrierForm::solution_changed().

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update_lagging()

void polyfem::solver::AdjointForm::update_lagging ( const Eigen::VectorXd &  x, const int  iter_num  )

finaloverridevirtual

Update lagged fields.

Parameters

x	Current solution

Reimplemented from polyfem::solver::Form.

Definition at line 85 of file AdjointForm.cpp.

update_quantities()

void polyfem::solver::AdjointForm::update_quantities ( const double  t, const Eigen::VectorXd &  x  )

finaloverridevirtual

Update time-dependent fields.

Parameters

t	Current time
x	Current solution at time t

Reimplemented from polyfem::solver::Form.

Definition at line 79 of file AdjointForm.cpp.

value()

double polyfem::solver::AdjointForm::value ( const Eigen::VectorXd &  x ) const

overridevirtual

Compute the value of the form multiplied with the weigth.

Parameters

x	Current solution

Returns

Computed value

Reimplemented from polyfem::solver::Form.

Definition at line 10 of file AdjointForm.cpp.

References polyfem::adjoint_logger(), AlreadyPrinted, print_energy_, print_energy_keyword_, ToPrint, val, polyfem::solver::Form::value(), and x.

Referenced by polyfem::solver::BarycenterTargetForm::compute_adjoint_rhs_step(), polyfem::solver::BarycenterTargetForm::compute_partial_gradient_step(), and polyfem::solver::TransientForm::value_unweighted().

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Member Data Documentation

print_energy_

PrintStage polyfem::solver::AdjointForm::print_energy_ = PrintStage::Inactive

mutableprotected

Definition at line 45 of file AdjointForm.hpp.

Referenced by enable_energy_print(), solution_changed(), and value().

print_energy_keyword_

std::string polyfem::solver::AdjointForm::print_energy_keyword_

protected

Definition at line 46 of file AdjointForm.hpp.

Referenced by enable_energy_print(), and value().

variable_to_simulations_

const VariableToSimulationGroup polyfem::solver::AdjointForm::variable_to_simulations_

protected

Definition at line 36 of file AdjointForm.hpp.

Referenced by polyfem::solver::AMIPSForm::compute_partial_gradient(), polyfem::solver::CollisionBarrierForm::compute_partial_gradient(), polyfem::solver::DeformedCollisionBarrierForm::compute_partial_gradient(), polyfem::solver::BoundarySmoothingForm::compute_partial_gradient(), polyfem::solver::SpatialIntegralForm::compute_partial_gradient_step(), polyfem::solver::ElasticEnergyForm::compute_partial_gradient_step(), polyfem::solver::StressNormForm::compute_partial_gradient_step(), polyfem::solver::ComplianceForm::compute_partial_gradient_step(), polyfem::solver::StressForm::compute_partial_gradient_step(), polyfem::solver::ProxyContactForceForm::compute_partial_gradient_step(), polyfem::solver::NodeTargetForm::compute_partial_gradient_step(), first_derivative(), polyfem::solver::AMIPSForm::get_updated_mesh_nodes(), polyfem::solver::CollisionBarrierForm::get_updated_mesh_nodes(), polyfem::solver::DeformedCollisionBarrierForm::get_updated_mesh_nodes(), and get_variable_to_simulations().

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

• src/polyfem/solver/forms/adjoint_forms/AdjointForm.hpp
• src/polyfem/solver/forms/adjoint_forms/AdjointForm.cpp