#include <ViscousDamping.hpp>

Inheritance diagram for polyfem::assembler::ViscousDamping:

Collaboration diagram for polyfem::assembler::ViscousDamping:

Public Member Functions
std::string	name () const override

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

	ViscousDamping ()=default

double	compute_energy (const NonLinearAssemblerData &data) const override

virtual Eigen::MatrixXd	assemble_hessian (const NonLinearAssemblerData &data) const override

virtual Eigen::VectorXd	assemble_gradient (const NonLinearAssemblerData &data) const override

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

void	set_params (const double psi, const double phi)

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

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

double	get_psi () const

double	get_phi () const

bool	is_valid () const

const DampingParameters &	damping_params () const

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 override

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 override

virtual Eigen::VectorXd	assemble_gradient (const NonLinearAssemblerData &data) const=0

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 override

virtual Eigen::MatrixXd	assemble_hessian (const NonLinearAssemblerData &data) const=0

virtual double	compute_energy (const NonLinearAssemblerData &data) const=0

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

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 override

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 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

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 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

Static Public Member Functions
static void	compute_dstress_dpsi_dphi (const OptAssemblerData &data, const Eigen::MatrixXd &prev_grad_u_i, Eigen::MatrixXd &dstress_dpsi, Eigen::MatrixXd &dstress_dphi)

Protected Member Functions
void	compute_stress_aux (const Eigen::MatrixXd &F, const Eigen::MatrixXd &dFdt, Eigen::MatrixXd &dRdF, Eigen::MatrixXd &dRdFdot) const

void	compute_stress_grad_aux (const Eigen::MatrixXd &F, const Eigen::MatrixXd &dFdt, Eigen::MatrixXd &d2RdF2, Eigen::MatrixXd &d2RdFdFdot, Eigen::MatrixXd &d2RdFdot2) const

Protected Attributes
DampingParameters	damping_params_

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

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

Detailed Description

Definition at line 10 of file ViscousDamping.hpp.

Constructor & Destructor Documentation

◆ ViscousDamping()

polyfem::assembler::ViscousDamping::ViscousDamping ( )

default

Member Function Documentation

◆ add_multimaterial()

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

overridevirtual

Reimplemented from polyfem::assembler::Assembler.

Definition at line 61 of file ViscousDamping.cpp.

References damping_params_, and polyfem::assembler::Assembler::size().

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◆ assemble_energy()

double polyfem::assembler::NLAssembler::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

overridevirtual

Reimplemented from polyfem::assembler::NLAssembler.

Reimplemented in polyfem::assembler::ViscousDampingPrev.

Definition at line 244 of file Assembler.cpp.

◆ assemble_gradient() [1/3]

void polyfem::assembler::NLAssembler::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

overridevirtual

Reimplemented from polyfem::assembler::NLAssembler.

Reimplemented in polyfem::assembler::ViscousDampingPrev.

◆ assemble_gradient() [2/3]

Eigen::VectorXd polyfem::assembler::ViscousDamping::assemble_gradient ( const NonLinearAssemblerData & data ) const

overridevirtual

Implements polyfem::assembler::NLAssembler.

Reimplemented in polyfem::assembler::ViscousDampingPrev, and polyfem::assembler::ViscousDampingPrev.

Definition at line 134 of file ViscousDamping.cpp.

References polyfem::assembler::ElementAssemblyValues::basis_values, polyfem::assembler::NonLinearAssemblerData::da, damping_params_, polyfem::assembler::NonLinearAssemblerData::dt, polyfem::assembler::ElementAssemblyValues::jac_it, polyfem::assembler::Assembler::size(), polyfem::assembler::NonLinearAssemblerData::vals, polyfem::assembler::NonLinearAssemblerData::x, and polyfem::assembler::NonLinearAssemblerData::x_prev.

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◆ assemble_gradient() [3/3]

virtual Eigen::VectorXd polyfem::assembler::NLAssembler::assemble_gradient ( const NonLinearAssemblerData & data ) const

virtual

Implements polyfem::assembler::NLAssembler.

Reimplemented in polyfem::assembler::ViscousDampingPrev, and polyfem::assembler::ViscousDampingPrev.

◆ assemble_hessian() [1/3]

void polyfem::assembler::NLAssembler::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

overridevirtual

Reimplemented from polyfem::assembler::NLAssembler.

Reimplemented in polyfem::assembler::ViscousDampingPrev.

◆ assemble_hessian() [2/3]

Eigen::MatrixXd polyfem::assembler::ViscousDamping::assemble_hessian ( const NonLinearAssemblerData & data ) const

overridevirtual

Implements polyfem::assembler::NLAssembler.

Reimplemented in polyfem::assembler::ViscousDampingPrev, and polyfem::assembler::ViscousDampingPrev.

Definition at line 196 of file ViscousDamping.cpp.

References polyfem::assembler::ElementAssemblyValues::basis_values, compute_stress_grad_aux(), polyfem::assembler::NonLinearAssemblerData::da, polyfem::assembler::NonLinearAssemblerData::dt, polyfem::assembler::ElementAssemblyValues::jac_it, polyfem::assembler::Assembler::size(), polyfem::assembler::NonLinearAssemblerData::vals, polyfem::assembler::NonLinearAssemblerData::x, and polyfem::assembler::NonLinearAssemblerData::x_prev.

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◆ assemble_hessian() [3/3]

virtual Eigen::MatrixXd polyfem::assembler::NLAssembler::assemble_hessian ( const NonLinearAssemblerData & data ) const

virtual

Implements polyfem::assembler::NLAssembler.

Reimplemented in polyfem::assembler::ViscousDampingPrev, and polyfem::assembler::ViscousDampingPrev.

◆ compute_dstress_dpsi_dphi()

void polyfem::assembler::ViscousDamping::compute_dstress_dpsi_dphi	(	const OptAssemblerData &	data,
		const Eigen::MatrixXd &	prev_grad_u_i,
		Eigen::MatrixXd &	dstress_dpsi,
		Eigen::MatrixXd &	dstress_dphi
	)

static

Definition at line 446 of file ViscousDamping.cpp.

References polyfem::assembler::OptAssemblerData::dt, polyfem::F, and polyfem::assembler::OptAssemblerData::grad_u_i.

◆ compute_energy() [1/2]

double polyfem::assembler::ViscousDamping::compute_energy ( const NonLinearAssemblerData & data ) const

overridevirtual

Implements polyfem::assembler::NLAssembler.

Reimplemented in polyfem::assembler::ViscousDampingPrev, and polyfem::assembler::ViscousDampingPrev.

Definition at line 347 of file ViscousDamping.cpp.

References polyfem::assembler::ElementAssemblyValues::basis_values, polyfem::assembler::NonLinearAssemblerData::da, damping_params_, polyfem::assembler::NonLinearAssemblerData::dt, polyfem::assembler::ElementAssemblyValues::jac_it, polyfem::assembler::Assembler::size(), val, polyfem::assembler::NonLinearAssemblerData::vals, polyfem::assembler::NonLinearAssemblerData::x, and polyfem::assembler::NonLinearAssemblerData::x_prev.

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◆ compute_energy() [2/2]

virtual double polyfem::assembler::NLAssembler::compute_energy ( const NonLinearAssemblerData & data ) const

virtual

Implements polyfem::assembler::NLAssembler.

Reimplemented in polyfem::assembler::ViscousDampingPrev, and polyfem::assembler::ViscousDampingPrev.

◆ compute_stress_aux()

void polyfem::assembler::ViscousDamping::compute_stress_aux	(	const Eigen::MatrixXd &	F,
		const Eigen::MatrixXd &	dFdt,
		Eigen::MatrixXd &	dRdF,
		Eigen::MatrixXd &	dRdFdot
	)		const

protected

Definition at line 5 of file ViscousDamping.cpp.

References damping_params_, polyfem::F, and polyfem::assembler::Assembler::size().

Referenced by polyfem::assembler::ViscousDampingPrev::assemble_gradient().

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◆ compute_stress_grad()

void polyfem::assembler::ViscousDamping::compute_stress_grad	(	const OptAssemblerData &	data,
		const Eigen::MatrixXd &	prev_grad_u_i,
		Eigen::MatrixXd &	stress,
		Eigen::MatrixXd &	result
	)		const

overridevirtual

Reimplemented from polyfem::assembler::Assembler.

Definition at line 408 of file ViscousDamping.cpp.

References compute_stress_grad_aux(), damping_params_, polyfem::assembler::OptAssemblerData::dt, polyfem::F, polyfem::assembler::OptAssemblerData::grad_u_i, and polyfem::assembler::Assembler::size().

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◆ compute_stress_grad_aux()

void polyfem::assembler::ViscousDamping::compute_stress_grad_aux	(	const Eigen::MatrixXd &	F,
		const Eigen::MatrixXd &	dFdt,
		Eigen::MatrixXd &	d2RdF2,
		Eigen::MatrixXd &	d2RdFdFdot,
		Eigen::MatrixXd &	d2RdFdot2
	)		const

protected

Definition at line 16 of file ViscousDamping.cpp.

References polyfem::F, and polyfem::assembler::Assembler::size().

Referenced by assemble_hessian(), polyfem::assembler::ViscousDampingPrev::assemble_hessian(), compute_stress_grad(), and compute_stress_prev_grad().

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◆ compute_stress_prev_grad()

void polyfem::assembler::ViscousDamping::compute_stress_prev_grad	(	const OptAssemblerData &	data,
		const Eigen::MatrixXd &	prev_grad_u_i,
		Eigen::MatrixXd &	result
	)		const

overridevirtual

Reimplemented from polyfem::assembler::Assembler.

Definition at line 430 of file ViscousDamping.cpp.

References compute_stress_grad_aux(), polyfem::assembler::OptAssemblerData::dt, and polyfem::assembler::OptAssemblerData::grad_u_i.

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◆ damping_params()

const DampingParameters & polyfem::assembler::ViscousDamping::damping_params ( ) const

inline

Definition at line 55 of file ViscousDamping.hpp.

References damping_params_.

◆ get_phi()

double polyfem::assembler::ViscousDamping::get_phi ( ) const

inline

Definition at line 51 of file ViscousDamping.hpp.

References damping_params_.

◆ get_psi()

double polyfem::assembler::ViscousDamping::get_psi ( ) const

inline

Definition at line 50 of file ViscousDamping.hpp.

References damping_params_.

◆ is_valid()

bool polyfem::assembler::ViscousDamping::is_valid ( ) const

inline

Definition at line 53 of file ViscousDamping.hpp.

References damping_params_.

◆ name()

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

inlineoverridevirtual

Implements polyfem::assembler::Assembler.

Definition at line 18 of file ViscousDamping.hpp.

◆ parameters()

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

inlineoverridevirtual

Implements polyfem::assembler::Assembler.

Definition at line 19 of file ViscousDamping.hpp.

◆ set_params()

void polyfem::assembler::ViscousDamping::set_params	(	const double	psi,
		const double	phi
	)

inline

Definition at line 30 of file ViscousDamping.hpp.

References damping_params_.

Member Data Documentation

◆ damping_params_

DampingParameters polyfem::assembler::ViscousDamping::damping_params_

protected

Definition at line 60 of file ViscousDamping.hpp.

Referenced by add_multimaterial(), assemble_gradient(), compute_energy(), compute_stress_aux(), compute_stress_grad(), damping_params(), get_phi(), get_psi(), is_valid(), and set_params().

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

src/polyfem/assembler/ViscousDamping.hpp
src/polyfem/assembler/ViscousDamping.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ViscousDamping()

Member Function Documentation

◆ add_multimaterial()

◆ assemble_energy()

◆ assemble_gradient() [1/3]

◆ assemble_gradient() [2/3]

◆ assemble_gradient() [3/3]

◆ assemble_hessian() [1/3]

◆ assemble_hessian() [2/3]

◆ assemble_hessian() [3/3]

◆ compute_dstress_dpsi_dphi()

◆ compute_energy() [1/2]

◆ compute_energy() [2/2]

◆ compute_stress_aux()

◆ compute_stress_grad()

◆ compute_stress_grad_aux()

◆ compute_stress_prev_grad()

◆ damping_params()

◆ get_phi()

◆ get_psi()

◆ is_valid()

◆ name()

◆ parameters()

◆ set_params()

Member Data Documentation

◆ damping_params_