#include <NeoHookeanElasticityAutodiff.hpp>

Inheritance diagram for polyfem::assembler::NeoHookeanAutodiff:

Collaboration diagram for polyfem::assembler::NeoHookeanAutodiff:

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

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

	NeoHookeanAutodiff ()

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

template<typename T >
T	elastic_energy (const RowVectorNd &p, const double t, const int el_id, const DefGradMatrix< T > &def_grad) const

Public Member Functions inherited from polyfem::assembler::GenericElastic< NeoHookeanAutodiff >
	GenericElastic ()

virtual	~GenericElastic ()=default

double	compute_energy (const NonLinearAssemblerData &data) const override

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

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

Eigen::VectorXd	assemble_gradient (const NonLinearAssemblerData &data) 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	assign_stress_tensor (const OutputData &data, const int all_size, const ElasticityTensorType &type, Eigen::MatrixXd &all, const std::function< Eigen::MatrixXd(const Eigen::MatrixXd &)> &fun) const override

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

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

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

NeoHookeanAutodiff &	derived ()
	Returns this as a reference to derived class.

const NeoHookeanAutodiff &	derived () const
	Returns this as a const reference to derived class.

bool	allow_inversion () const override

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

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

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

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

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

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 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_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 (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_fluid () const

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

virtual	~ElasticityAssembler ()=default

void	set_use_robust_jacobian ()

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

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

void	compute_stress_tensor (const OutputData &data, const ElasticityTensorType &type, Eigen::MatrixXd &stresses) const

void	compute_von_mises_stresses (const OutputData &data, Eigen::MatrixXd &stresses) const

bool	is_solution_displacement () const override

bool	is_tensor () const override

Private Attributes
LameParameters	params_

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

Protected Attributes inherited from polyfem::assembler::ElasticityAssembler
bool	use_robust_jacobian = false

Detailed Description

Definition at line 9 of file NeoHookeanElasticityAutodiff.hpp.

Constructor & Destructor Documentation

◆ NeoHookeanAutodiff()

polyfem::assembler::NeoHookeanAutodiff::NeoHookeanAutodiff ( )

Definition at line 5 of file NeoHookeanElasticityAutodiff.cpp.

Member Function Documentation

◆ add_multimaterial()

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

overridevirtual

Implements polyfem::assembler::GenericElastic< NeoHookeanAutodiff >.

Definition at line 9 of file NeoHookeanElasticityAutodiff.cpp.

References polyfem::assembler::LameParameters::add_multimaterial(), params_, polyfem::assembler::Assembler::size(), and polyfem::Units::stress().

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◆ elastic_energy()

template<typename T >

T polyfem::assembler::NeoHookeanAutodiff::elastic_energy	(	const RowVectorNd &	p,
		const double	t,
		const int	el_id,
		const DefGradMatrix< T > &	def_grad
	)		const