BloodVesselRC Class Reference

Flow-through RC windkessel for pulmonary circulation. More...

#include <BloodVesselRC.h>

Inheritance diagram for BloodVesselRC:

Public Types
enum	ParamId {   RPD = 0 ,   CP = 1 }
	Local IDs of the parameters. More...

Public Member Functions
	BloodVesselRC (int id, Model *model)
	Construct a new BloodVesselRC object.
void	setup_dofs (DOFHandler &dofhandler)
	Set up the degrees of freedom (DOF) of the block.
void	update_constant (SparseSystem &system, std::vector< double > &parameters)
	Update the constant contributions of the element in a sparse system.
Public Member Functions inherited from Block
	Block (int id, Model *model, BlockType block_type, BlockClass block_class, std::vector< std::pair< std::string, InputParameter > > input_params)
	Construct a new Block object.
	~Block ()
	Destroy the Block object.
	Block (const Block &)=delete
	Copy the Block object.
std::string	get_name ()
	Get the name of the block.
void	update_vessel_type (VesselType type)
	Update vessel type of the block.
void	setup_params_ (const std::vector< int > &param_ids)
	Setup parameter IDs for the block.
void	setup_dofs_ (DOFHandler &dofhandler, int num_equations, const std::list< std::string > &internal_var_names)
	Set up the degrees of freedom (DOF) of the block.
virtual void	setup_model_dependent_params ()
	Setup parameters that depend on the model.
virtual void	setup_initial_state_dependent_params (State initial_state, std::vector< double > &parameters)
	Setup parameters that depend on the initial state.
virtual void	update_time (SparseSystem &system, std::vector< double > &parameters)
	Update the time-dependent contributions of the element in a sparse system.
virtual void	update_solution (SparseSystem &system, std::vector< double > &parameters, const Eigen::Matrix< double, Eigen::Dynamic, 1 > &y, const Eigen::Matrix< double, Eigen::Dynamic, 1 > &dy)
	Update the solution-dependent contributions of the element in a sparse system.
virtual void	post_solve (Eigen::Matrix< double, Eigen::Dynamic, 1 > &y)
	Modify the solution after solving it.
virtual void	update_gradient (Eigen::SparseMatrix< double > &jacobian, Eigen::Matrix< double, Eigen::Dynamic, 1 > &residual, Eigen::Matrix< double, Eigen::Dynamic, 1 > &alpha, std::vector< double > &y, std::vector< double > &dy)
	Set the gradient of the block contributions with respect to the parameters.
virtual TripletsContributions	get_num_triplets ()
	Get number of triplets of element.
virtual void	set_activation_function (std::unique_ptr< ActivationFunction > af)
	Set activation function (for chamber blocks that use one).

Public Attributes
TripletsContributions	num_triplets {5, 1, 0}
	Number of triplets of element.
Public Attributes inherited from Block
const int	id
	Global ID of the block.
const Model *	model
	The model to which the block belongs.
const BlockType	block_type
	Type of this block.
const BlockClass	block_class
	Class of this block.
VesselType	vessel_type = VesselType::neither
	Vessel type of this block.
const std::vector< std::pair< std::string, InputParameter > >	input_params
	Map from name to input parameter.
std::vector< Node * >	inlet_nodes
	Inlet nodes.
std::vector< Node * >	outlet_nodes
	Outlet nodes.
bool	steady = false
	Toggle steady behavior.
bool	input_params_list = false
	Are input parameters given as a list?
std::vector< int >	global_param_ids
	Global IDs for the block parameters.
std::vector< int >	global_var_ids
	Global variable indices of the local element contributions.
std::vector< int >	global_eqn_ids
	Global equation indices of the local element contributions.
TripletsContributions	num_triplets
	Number of triplets of element.

Detailed Description

Flow-through RC windkessel for pulmonary circulation.

Models a resistance-capacitance windkessel where the inlet and outlet flows are equal (Q_in = Q_out). The capacitor stores pressure but does not store blood volume. This matches the pulmonary model in [9] (equation X6' = X4 - X7).

Governing equations

Parameters

• Rpd — Pulmonary resistance
• Cp — Pulmonary capacitance

Member Enumeration Documentation

ParamId

enum BloodVesselRC::ParamId

Local IDs of the parameters.

Constructor & Destructor Documentation

BloodVesselRC()

BloodVesselRC::BloodVesselRC ( int id, Model * model )

inline

Construct a new BloodVesselRC object.

Parameters

id	Global ID of the block
model	The model to which the block belongs

Member Function Documentation

setup_dofs()

void BloodVesselRC::setup_dofs ( DOFHandler & dofhandler )

virtual

Set up the degrees of freedom (DOF) of the block.

Set global_var_ids and global_eqn_ids of the element based on the number of equations and the number of internal variables of the element.

Parameters

dofhandler

Degree-of-freedom handler to register variables and equations at

Reimplemented from Block.

update_constant()

void BloodVesselRC::update_constant ( SparseSystem & system, std::vector< double > & parameters )

virtual

Update the constant contributions of the element in a sparse system.

Parameters

system	System to update contributions at
parameters	Parameters of the model

Reimplemented from Block.

Member Data Documentation

num_triplets

TripletsContributions BloodVesselRC::num_triplets {5, 1, 0}

Number of triplets of element.

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

• model/BloodVesselRC.h
• model/BloodVesselRC.cpp