#include <Electrostatics.hpp>

Inheritance diagram for polyfem::assembler::Electrostatics:

Collaboration diagram for polyfem::assembler::Electrostatics:

Public Member Functions
	Electrostatics ()

std::string	name () const override

std::map< std::string, ParamFunc >	parameters () const override

void	add_multimaterial (const int index, const json &params, const Units &units) override

Eigen::Matrix< double, Eigen::Dynamic, 1, 0, 9, 1 >	assemble (const LinearAssemblerData &data) const override
	computes local stiffness matrix (1x1) for bases i,j where i,j is passed in through data ie integral of grad(phi_i) dot grad(phi_j)

void	compute_stress_grad_multiply_mat (const OptAssemblerData &data, const Eigen::MatrixXd &mat, Eigen::MatrixXd &stress, Eigen::MatrixXd &result) const override

void	compute_stiffness_value (const double t, const assembler::ElementAssemblyValues &vals, const Eigen::MatrixXd &local_pts, const Eigen::MatrixXd &displacement, Eigen::MatrixXd &tensor) const override

double	compute_stored_energy (const bool is_volume, const int n_basis, const std::vector< basis::ElementBases > &bases, const std::vector< basis::ElementBases > &gbases, const AssemblyValsCache &cache, const double t, const Eigen::MatrixXd &solution)

void	assemble (const bool is_volume, const int n_basis, const std::vector< basis::ElementBases > &bases, const std::vector< basis::ElementBases > &gbases, const AssemblyValsCache &cache, const double t, StiffnessMatrix &stiffness, const bool is_mass=false) const override
	assembles the stiffness matrix for the given basis the bilinear form (local assembler) is encoded by the overloaded assemble (see below) function that the subclass (eg Laplacian) defines sets stiffness and modifies cache if it has not already been computed

virtual Eigen::Matrix< double, Eigen::Dynamic, 1, 0, 9, 1 >	assemble (const LinearAssemblerData &data) const=0
	local assembly function that defines the bilinear form (LHS) computes and returns a single local stiffness value

Public Member Functions inherited from polyfem::assembler::LinearAssembler
	LinearAssembler ()

virtual	~LinearAssembler ()=default

void	assemble (const bool is_volume, const int n_basis, const std::vector< basis::ElementBases > &bases, const std::vector< basis::ElementBases > &gbases, const AssemblyValsCache &cache, const double t, StiffnessMatrix &stiffness, const bool is_mass=false) const override
	assembles the stiffness matrix for the given basis the bilinear form (local assembler) is encoded by the overloaded assemble (see below) function that the subclass (eg Laplacian) defines sets stiffness and modifies cache if it has not already been computed

virtual bool	is_linear () const override

Public Member Functions inherited from polyfem::assembler::Assembler
virtual	~Assembler ()=default

int	size () const

virtual void	set_size (const int size)

virtual double	assemble_energy (const bool is_volume, const std::vector< basis::ElementBases > &bases, const std::vector< basis::ElementBases > &gbases, const AssemblyValsCache &cache, const double t, const double dt, const Eigen::MatrixXd &displacement, const Eigen::MatrixXd &displacement_prev) const

virtual Eigen::VectorXd	assemble_energy_per_element (const bool is_volume, const std::vector< basis::ElementBases > &bases, const std::vector< basis::ElementBases > &gbases, const AssemblyValsCache &cache, const double t, const double dt, const Eigen::MatrixXd &displacement, const Eigen::MatrixXd &displacement_prev) const

virtual void	assemble_gradient (const bool is_volume, const int n_basis, const std::vector< basis::ElementBases > &bases, const std::vector< basis::ElementBases > &gbases, const AssemblyValsCache &cache, const double t, const double dt, const Eigen::MatrixXd &displacement, const Eigen::MatrixXd &displacement_prev, Eigen::MatrixXd &rhs) const

virtual void	assemble_hessian (const bool is_volume, const int n_basis, const bool project_to_psd, const std::vector< basis::ElementBases > &bases, const std::vector< basis::ElementBases > &gbases, const AssemblyValsCache &cache, const double t, const double dt, const Eigen::MatrixXd &displacement, const Eigen::MatrixXd &displacement_prev, utils::MatrixCache &mat_cache, StiffnessMatrix &grad) const

virtual void	compute_scalar_value (const OutputData &data, std::vector< NamedMatrix > &result) const

virtual void	compute_tensor_value (const OutputData &data, std::vector< NamedMatrix > &result) const

virtual void	compute_dstress_dmu_dlambda (const OptAssemblerData &data, Eigen::MatrixXd &dstress_dmu, Eigen::MatrixXd &dstress_dlambda) const

virtual void	compute_stress_grad_multiply_stress (const OptAssemblerData &data, Eigen::MatrixXd &stress, Eigen::MatrixXd &result) const

virtual void	compute_stress_grad_multiply_vect (const OptAssemblerData &data, const Eigen::MatrixXd &vect, Eigen::MatrixXd &stress, Eigen::MatrixXd &result) const

virtual void	compute_stress_grad (const OptAssemblerData &data, const Eigen::MatrixXd &prev_grad_u_i, Eigen::MatrixXd &stress, Eigen::MatrixXd &result) const

virtual void	compute_stress_prev_grad (const OptAssemblerData &data, const Eigen::MatrixXd &prev_grad_u_i, Eigen::MatrixXd &result) const

virtual VectorNd	compute_rhs (const AutodiffHessianPt &pt) const

virtual Eigen::Matrix< AutodiffScalarGrad, Eigen::Dynamic, 1, 0, 3, 1 >	kernel (const int dim, const AutodiffGradPt &rvect, const AutodiffScalarGrad &r) const

void	set_materials (const std::vector< int > &body_ids, const json &body_params, const Units &units)

virtual void	update_lame_params (const Eigen::MatrixXd &lambdas, const Eigen::MatrixXd &mus)

virtual bool	is_solution_displacement () const

virtual bool	is_fluid () const

virtual bool	is_tensor () const

Private Attributes
GenericMatParam	epsilon_

Additional Inherited Members
Public Types inherited from polyfem::assembler::Assembler
typedef std::pair< std::string, Eigen::MatrixXd >	NamedMatrix

typedef std::function< double(const RowVectorNd &, const RowVectorNd &, double, int)>	ParamFunc

Protected Attributes inherited from polyfem::assembler::Assembler
int	size_ = -1

Detailed Description

Definition at line 12 of file Electrostatics.hpp.

Constructor & Destructor Documentation

◆ Electrostatics()

polyfem::assembler::Electrostatics::Electrostatics ( )

inline

Definition at line 15 of file Electrostatics.hpp.

Member Function Documentation

◆ add_multimaterial()

void polyfem::assembler::Electrostatics::add_multimaterial	(	const int	index,
		const json &	params,
		const Units &	units
	)

overridevirtual

Reimplemented from polyfem::assembler::Assembler.

Definition at line 13 of file Electrostatics.cpp.

References polyfem::assembler::GenericMatParam::add_multimaterial(), epsilon_, polyfem::Units::permittivity(), and polyfem::assembler::Assembler::size().

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◆ assemble() [1/3]

void polyfem::assembler::LinearAssembler::assemble	(	const bool	is_volume,
		const int	n_basis,
		const std::vector< basis::ElementBases > &	bases,
		const std::vector< basis::ElementBases > &	gbases,
		const AssemblyValsCache &	cache,
		const double	t,
		StiffnessMatrix &	stiffness,
		const bool	is_mass = `false`
	)		const

overridevirtual

assembles the stiffness matrix for the given basis the bilinear form (local assembler) is encoded by the overloaded assemble (see below) function that the subclass (eg Laplacian) defines sets stiffness and modifies cache if it has not already been computed

Reimplemented from polyfem::assembler::Assembler.

◆ assemble() [2/3]

Eigen::Matrix< double, Eigen::Dynamic, 1, 0, 9, 1 > polyfem::assembler::Electrostatics::assemble ( const LinearAssemblerData & data ) const

overridevirtual

computes local stiffness matrix (1x1) for bases i,j where i,j is passed in through data ie integral of grad(phi_i) dot grad(phi_j)

Implements polyfem::assembler::LinearAssembler.

Definition at line 20 of file Electrostatics.cpp.

References polyfem::assembler::ElementAssemblyValues::basis_values, polyfem::assembler::LinearAssemblerData::da, polyfem::assembler::ElementAssemblyValues::element_id, epsilon_, polyfem::assembler::LinearAssemblerData::i, polyfem::assembler::LinearAssemblerData::j, polyfem::assembler::LinearAssemblerData::t, polyfem::assembler::ElementAssemblyValues::val, and polyfem::assembler::LinearAssemblerData::vals.

Referenced by compute_stored_energy().

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◆ assemble() [3/3]

virtual Eigen::Matrix< double, Eigen::Dynamic, 1, 0, 9, 1 > polyfem::assembler::LinearAssembler::assemble ( const LinearAssemblerData & data ) const

virtual

local assembly function that defines the bilinear form (LHS) computes and returns a single local stiffness value

Implements polyfem::assembler::LinearAssembler.

◆ compute_stiffness_value()

void polyfem::assembler::Electrostatics::compute_stiffness_value	(	const double	t,
		const assembler::ElementAssemblyValues &	vals,
		const Eigen::MatrixXd &	local_pts,
		const Eigen::MatrixXd &	displacement,
		Eigen::MatrixXd &	tensor
	)		const

overridevirtual

Reimplemented from polyfem::assembler::Assembler.

Definition at line 46 of file Electrostatics.cpp.

◆ compute_stored_energy()

double polyfem::assembler::Electrostatics::compute_stored_energy	(	const bool	is_volume,
		const int	n_basis,
		const std::vector< basis::ElementBases > &	bases,
		const std::vector< basis::ElementBases > &	gbases,
		const AssemblyValsCache &	cache,
		const double	t,
		const Eigen::MatrixXd &	solution
	)

Definition at line 78 of file Electrostatics.cpp.

References assemble(), and cache.

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◆ compute_stress_grad_multiply_mat()

void polyfem::assembler::Electrostatics::compute_stress_grad_multiply_mat	(	const OptAssemblerData &	data,
		const Eigen::MatrixXd &	mat,
		Eigen::MatrixXd &	stress,
		Eigen::MatrixXd &	result
	)		const

overridevirtual

Reimplemented from polyfem::assembler::Assembler.

Definition at line 37 of file Electrostatics.cpp.

References polyfem::assembler::OptAssemblerData::grad_u_i.

◆ name()

std::string polyfem::assembler::Electrostatics::name ( ) const

inlineoverridevirtual

Implements polyfem::assembler::Assembler.

Definition at line 19 of file Electrostatics.hpp.

◆ parameters()

std::map< std::string, Assembler::ParamFunc > polyfem::assembler::Electrostatics::parameters ( ) const

overridevirtual

Implements polyfem::assembler::Assembler.

Definition at line 67 of file Electrostatics.cpp.

References epsilon_.

Member Data Documentation

◆ epsilon_

GenericMatParam polyfem::assembler::Electrostatics::epsilon_

private

Definition at line 51 of file Electrostatics.hpp.

Referenced by add_multimaterial(), assemble(), and parameters().

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

src/polyfem/assembler/Electrostatics.hpp
src/polyfem/assembler/Electrostatics.cpp

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Electrostatics()

Member Function Documentation

◆ add_multimaterial()

◆ assemble() [1/3]

◆ assemble() [2/3]

◆ assemble() [3/3]

◆ compute_stiffness_value()

◆ compute_stored_energy()

◆ compute_stress_grad_multiply_mat()

◆ name()

◆ parameters()

Member Data Documentation

◆ epsilon_