#include <Stokes.hpp>

Inheritance diagram for polyfem::assembler::StokesVelocity:

Collaboration diagram for polyfem::assembler::StokesVelocity:

Public Member Functions
	StokesVelocity ()

VectorNd	compute_rhs (const AutodiffHessianPt &pt) const override

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

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

const GenericMatParam &	viscosity () const

virtual std::string	name () const override

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

bool	is_fluid () const override

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

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_stiffness_value (const double t, const assembler::ElementAssemblyValues &vals, const Eigen::MatrixXd &local_pts, const Eigen::MatrixXd &displacement, Eigen::MatrixXd &tensor) 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_mat (const OptAssemblerData &data, const Eigen::MatrixXd &mat, Eigen::MatrixXd &stress, Eigen::MatrixXd &result) 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 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_tensor () const

Private Attributes
GenericMatParam	viscosity_

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 11 of file Stokes.hpp.

Constructor & Destructor Documentation

◆ StokesVelocity()

polyfem::assembler::StokesVelocity::StokesVelocity ( )

Definition at line 5 of file Stokes.cpp.

Member Function Documentation

◆ add_multimaterial()

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

overridevirtual

Reimplemented from polyfem::assembler::Assembler.

Definition at line 9 of file Stokes.cpp.

References polyfem::assembler::GenericMatParam::add_multimaterial(), polyfem::assembler::Assembler::size(), polyfem::Units::viscosity(), and viscosity_.

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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::LinearAssembler.

◆ assemble() [2/3]

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

overridevirtual

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

Implements polyfem::assembler::LinearAssembler.

Definition at line 17 of file Stokes.cpp.

References polyfem::assembler::ElementAssemblyValues::basis_values, polyfem::assembler::LinearAssemblerData::da, polyfem::assembler::ElementAssemblyValues::element_id, polyfem::assembler::LinearAssemblerData::i, polyfem::assembler::LinearAssemblerData::j, polyfem::assembler::Assembler::size(), polyfem::assembler::LinearAssemblerData::t, polyfem::assembler::ElementAssemblyValues::val, polyfem::assembler::LinearAssemblerData::vals, and viscosity_.

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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_rhs()

VectorNd polyfem::assembler::StokesVelocity::compute_rhs ( const AutodiffHessianPt & pt ) const

overridevirtual

Reimplemented from polyfem::assembler::Assembler.

Definition at line 38 of file Stokes.cpp.

References polyfem::assembler::Assembler::size(), val, and viscosity_.

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◆ is_fluid()

bool polyfem::assembler::StokesVelocity::is_fluid ( ) const

inlineoverridevirtual

Reimplemented from polyfem::assembler::Assembler.

Definition at line 30 of file Stokes.hpp.

◆ name()

virtual std::string polyfem::assembler::StokesVelocity::name ( ) const

inlineoverridevirtual

Implements polyfem::assembler::Assembler.

Reimplemented in polyfem::assembler::OperatorSplitting.

Definition at line 27 of file Stokes.hpp.

◆ parameters()

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

overridevirtual

Implements polyfem::assembler::Assembler.

Definition at line 56 of file Stokes.cpp.

References viscosity_.

◆ viscosity()

const GenericMatParam & polyfem::assembler::StokesVelocity::viscosity ( ) const

inline

Definition at line 25 of file Stokes.hpp.

References viscosity_.

Member Data Documentation

◆ viscosity_

GenericMatParam polyfem::assembler::StokesVelocity::viscosity_

private

Definition at line 33 of file Stokes.hpp.

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

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

src/polyfem/assembler/Stokes.hpp
src/polyfem/assembler/Stokes.cpp

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ StokesVelocity()

Member Function Documentation

◆ add_multimaterial()

◆ assemble() [1/3]

◆ assemble() [2/3]

◆ assemble() [3/3]

◆ compute_rhs()

◆ is_fluid()

◆ name()

◆ parameters()

◆ viscosity()

Member Data Documentation

◆ viscosity_