#include <ParametrizationForm.hpp>

Inheritance diagram for polyfem::solver::ParametrizationForm:

Collaboration diagram for polyfem::solver::ParametrizationForm:

Public Member Functions
	ParametrizationForm (CompositeParametrization &&parametrizations)

virtual	~ParametrizationForm ()

virtual void	init (const Eigen::VectorXd &x) final override
	Initialize the form.

virtual bool	is_step_valid (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const final override
	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 final
	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) final override
	Initialize variables used during the line search.

virtual void	line_search_end () final override
	Clear variables used during the line search.

virtual void	post_step (const polysolve::nonlinear::PostStepData &data) final override
	Update fields after a step in the optimization.

virtual void	solution_changed (const Eigen::VectorXd &new_x) final override
	Update cached fields upon a change in the solution.

virtual bool	is_step_collision_free (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const final override
	Checks if the step is collision free.

Public Member Functions inherited from polyfem::solver::AdjointForm
	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.

const VariableToSimulationGroup &	get_variable_to_simulations () const

virtual Eigen::MatrixXd	compute_reduced_adjoint_rhs (const Eigen::VectorXd &x, const State &state) 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	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 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.

void	set_output_dir (const std::string &output_dir)

Protected Member Functions
virtual double	value_unweighted (const Eigen::VectorXd &x) const final override
	Compute the value of the form.

virtual void	compute_partial_gradient (const Eigen::VectorXd &x, Eigen::VectorXd &gradv) const final override

virtual void	init_with_param (const Eigen::VectorXd &x)

virtual bool	is_step_valid_with_param (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const

virtual double	max_step_size_with_param (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const

virtual void	line_search_begin_with_param (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1)

virtual void	line_search_end_with_param ()

virtual void	post_step_with_param (const polysolve::nonlinear::PostStepData &data)

virtual void	solution_changed_with_param (const Eigen::VectorXd &new_x)

virtual bool	is_step_collision_free_with_param (const Eigen::VectorXd &x0, const Eigen::VectorXd &x1) const

virtual double	value_unweighted_with_param (const Eigen::VectorXd &x) const

virtual void	compute_partial_gradient_with_param (const Eigen::VectorXd &x, Eigen::VectorXd &gradv) const =0

Protected Member Functions inherited from polyfem::solver::AdjointForm
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 Eigen::VectorXd	value_per_element_unweighted (const Eigen::VectorXd &x) const
	Compute the value of the form multiplied per element.

Private Member Functions
Eigen::VectorXd	apply_parametrizations (const Eigen::VectorXd &x) const

Private Attributes
CompositeParametrization	parametrizations_

Additional Inherited Members
Protected Types inherited from polyfem::solver::AdjointForm
enum class	PrintStage { Inactive , AlreadyPrinted , ToPrint }

Protected Attributes inherited from polyfem::solver::AdjointForm
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 14 of file ParametrizationForm.hpp.

Constructor & Destructor Documentation

◆ ParametrizationForm()

polyfem::solver::ParametrizationForm::ParametrizationForm ( CompositeParametrization && parametrizations )

inline

Definition at line 17 of file ParametrizationForm.hpp.

◆ ~ParametrizationForm()

virtual polyfem::solver::ParametrizationForm::~ParametrizationForm ( )

inlinevirtual

Definition at line 18 of file ParametrizationForm.hpp.

Member Function Documentation

◆ apply_parametrizations()

Eigen::VectorXd polyfem::solver::ParametrizationForm::apply_parametrizations ( const Eigen::VectorXd & x ) const

inlineprivate

Definition at line 47 of file ParametrizationForm.hpp.

References polyfem::solver::CompositeParametrization::eval(), parametrizations_, and x.

Referenced by compute_partial_gradient(), init(), is_step_collision_free(), is_step_valid(), line_search_begin(), max_step_size(), post_step(), solution_changed(), and value_unweighted().

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◆ compute_partial_gradient()

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

finaloverrideprotectedvirtual

Reimplemented from polyfem::solver::AdjointForm.

Definition at line 51 of file ParametrizationForm.cpp.

References polyfem::solver::CompositeParametrization::apply_jacobian(), apply_parametrizations(), compute_partial_gradient_with_param(), parametrizations_, and x.

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◆ compute_partial_gradient_with_param()

virtual void polyfem::solver::ParametrizationForm::compute_partial_gradient_with_param	(	const Eigen::VectorXd &	x,
		Eigen::VectorXd &	gradv
	)		const

protectedpure virtual

Implemented in polyfem::solver::ParametrizedProductForm, and polyfem::solver::WeightedVolumeForm.

Referenced by compute_partial_gradient().

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◆ init()

void polyfem::solver::ParametrizationForm::init ( const Eigen::VectorXd & x )

finaloverridevirtual

Initialize the form.

Parameters

x	Current solution

Reimplemented from polyfem::solver::Form.

Definition at line 6 of file ParametrizationForm.cpp.

References apply_parametrizations(), init_with_param(), and x.

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◆ init_with_param()

virtual void polyfem::solver::ParametrizationForm::init_with_param ( const Eigen::VectorXd & x )

inlineprotectedvirtual

Definition at line 33 of file ParametrizationForm.hpp.

Referenced by init().

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◆ is_step_collision_free()

bool polyfem::solver::ParametrizationForm::is_step_collision_free	(	const Eigen::VectorXd &	x0,
		const Eigen::VectorXd &	x1
	)		const

finaloverridevirtual

Checks if the step is collision free.

Returns: True if the step is collision free else false

Reimplemented from polyfem::solver::Form.

Definition at line 57 of file ParametrizationForm.cpp.

References apply_parametrizations(), and is_step_collision_free_with_param().

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◆ is_step_collision_free_with_param()

virtual bool polyfem::solver::ParametrizationForm::is_step_collision_free_with_param	(	const Eigen::VectorXd &	x0,
		const Eigen::VectorXd &	x1
	)		const

inlineprotectedvirtual

Definition at line 40 of file ParametrizationForm.hpp.

Referenced by is_step_collision_free().

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◆ is_step_valid()

bool polyfem::solver::ParametrizationForm::is_step_valid	(	const Eigen::VectorXd &	x0,
		const Eigen::VectorXd &	x1
	)		const

finaloverridevirtual

Determine if a step from solution x0 to solution x1 is allowed.

Parameters

x0	Current solution
x1	Proposed next solution

Returns: True if the step is allowed

Reimplemented from polyfem::solver::Form.

Definition at line 11 of file ParametrizationForm.cpp.

References apply_parametrizations(), and is_step_valid_with_param().

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◆ is_step_valid_with_param()

virtual bool polyfem::solver::ParametrizationForm::is_step_valid_with_param	(	const Eigen::VectorXd &	x0,
		const Eigen::VectorXd &	x1
	)		const

inlineprotectedvirtual

Definition at line 34 of file ParametrizationForm.hpp.

Referenced by is_step_valid().

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◆ line_search_begin()

void polyfem::solver::ParametrizationForm::line_search_begin	(	const Eigen::VectorXd &	x0,
		const Eigen::VectorXd &	x1
	)

finaloverridevirtual

Initialize variables used during the line search.

Parameters

x0	Current solution
x1	Next solution

Reimplemented from polyfem::solver::Form.

Definition at line 21 of file ParametrizationForm.cpp.

References apply_parametrizations(), and line_search_begin_with_param().

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◆ line_search_begin_with_param()

virtual void polyfem::solver::ParametrizationForm::line_search_begin_with_param	(	const Eigen::VectorXd &	x0,
		const Eigen::VectorXd &	x1
	)

inlineprotectedvirtual

Definition at line 36 of file ParametrizationForm.hpp.

Referenced by line_search_begin().

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◆ line_search_end()

void polyfem::solver::ParametrizationForm::line_search_end ( )

finaloverridevirtual

Clear variables used during the line search.

Reimplemented from polyfem::solver::Form.

Definition at line 26 of file ParametrizationForm.cpp.

References line_search_end_with_param().

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◆ line_search_end_with_param()

virtual void polyfem::solver::ParametrizationForm::line_search_end_with_param ( )

inlineprotectedvirtual

Definition at line 37 of file ParametrizationForm.hpp.

Referenced by line_search_end().

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◆ max_step_size()

double polyfem::solver::ParametrizationForm::max_step_size	(	const Eigen::VectorXd &	x0,
		const Eigen::VectorXd &	x1
	)		const

finalvirtual

Determine the maximum step size allowable between the current and next solution.

Parameters

x0	Current solution (step size = 0)
x1	Next solution (step size = 1)

Returns: Maximum allowable step size

Reimplemented from polyfem::solver::Form.

Definition at line 16 of file ParametrizationForm.cpp.

References apply_parametrizations(), and max_step_size_with_param().

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◆ max_step_size_with_param()

virtual double polyfem::solver::ParametrizationForm::max_step_size_with_param	(	const Eigen::VectorXd &	x0,
		const Eigen::VectorXd &	x1
	)		const

inlineprotectedvirtual

Definition at line 35 of file ParametrizationForm.hpp.

Referenced by max_step_size().

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◆ post_step()

void polyfem::solver::ParametrizationForm::post_step ( const polysolve::nonlinear::PostStepData & data )

finaloverridevirtual

Update fields after a step in the optimization.

Parameters

iter_num	Optimization iteration number
x	Current solution
data	Data containing info about the current iteration

Reimplemented from polyfem::solver::Form.

Definition at line 31 of file ParametrizationForm.cpp.

References polyfem::solver::CompositeParametrization::apply_jacobian(), apply_parametrizations(), parametrizations_, and post_step_with_param().

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◆ post_step_with_param()

virtual void polyfem::solver::ParametrizationForm::post_step_with_param ( const polysolve::nonlinear::PostStepData & data )

inlineprotectedvirtual

Definition at line 38 of file ParametrizationForm.hpp.

Referenced by post_step().

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◆ solution_changed()

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

finaloverridevirtual

Update cached fields upon a change in the solution.

Parameters

new_x New solution

Reimplemented from polyfem::solver::AdjointForm.

Definition at line 46 of file ParametrizationForm.cpp.

References apply_parametrizations(), and solution_changed_with_param().

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◆ solution_changed_with_param()

virtual void polyfem::solver::ParametrizationForm::solution_changed_with_param ( const Eigen::VectorXd & new_x )

inlineprotectedvirtual

Definition at line 39 of file ParametrizationForm.hpp.

Referenced by solution_changed().

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◆ value_unweighted()

double polyfem::solver::ParametrizationForm::value_unweighted ( const Eigen::VectorXd & x ) const

finaloverrideprotectedvirtual

Compute the value of the form.

Parameters

x	Current solution

Returns: Computed value

Implements polyfem::solver::Form.

Definition at line 40 of file ParametrizationForm.cpp.

References apply_parametrizations(), value_unweighted_with_param(), x, and y.

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◆ value_unweighted_with_param()

virtual double polyfem::solver::ParametrizationForm::value_unweighted_with_param ( const Eigen::VectorXd & x ) const

inlineprotectedvirtual

Reimplemented in polyfem::solver::ParametrizedProductForm, and polyfem::solver::WeightedVolumeForm.

Definition at line 41 of file ParametrizationForm.hpp.

Referenced by value_unweighted().

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Member Data Documentation

◆ parametrizations_

CompositeParametrization polyfem::solver::ParametrizationForm::parametrizations_

private

Definition at line 45 of file ParametrizationForm.hpp.

Referenced by apply_parametrizations(), compute_partial_gradient(), and post_step().

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

src/polyfem/solver/forms/adjoint_forms/ParametrizationForm.hpp
src/polyfem/solver/forms/adjoint_forms/ParametrizationForm.cpp

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ParametrizationForm()

◆ ~ParametrizationForm()

Member Function Documentation

◆ apply_parametrizations()

◆ compute_partial_gradient()

◆ compute_partial_gradient_with_param()

◆ init()

◆ init_with_param()

◆ is_step_collision_free()

◆ is_step_collision_free_with_param()

◆ is_step_valid()

◆ is_step_valid_with_param()

◆ line_search_begin()

◆ line_search_begin_with_param()

◆ line_search_end()

◆ line_search_end_with_param()

◆ max_step_size()

◆ max_step_size_with_param()

◆ post_step()

◆ post_step_with_param()

◆ solution_changed()

◆ solution_changed_with_param()

◆ value_unweighted()

◆ value_unweighted_with_param()

Member Data Documentation

◆ parametrizations_