One segment of equal rigid cylinders on the constraint solver.

#include <CableSegment.h>

Public Member Functions
	CableSegment (const CableMaterial &material, double elementLength, double frequencyCoefficient)

double	ElementLength () const

double	ElementMass () const
	Mass per length times element length [kg].

double	ElementDisplacedVolume () const
	Element length times displacement area [m³].

double	ElementWeightInWater () const
	The element's weight in water, g (m - ρV) [N], with the trawl cables' ρ and g.

CoRiBoDynamics::vec6	ElementInertia () const
	Mass and the moments of inertia of a solid cylinder of the nominal diameter about its centre (z the axis).

trawl_cable_water::Segment	WaterSegment () const
	The element as the water forces and the added mass take it.

CoRiBoDynamics::TrawlCableJointConstraint::CableProperties	JointProperties (const std::vector< int > &elements) const
	The joint properties of the segment over the solver elements `elements`.

CoRiBoDynamics::TrawlCableCollisionManager::CableCollisionManagerProperties	CollisionProperties (const std::vector< int > &elements, double stiffnessFactor, double collisionFrequencyCoefficient) const

CoRiBoDynamics::EnvironmentForces::CableSegment	EnvironmentSegment (const std::vector< int > &elements, bool gaussPointDrag=false) const

int	AddElement (CoRiBoDynamics::ConstraintSolver &solver, ElementStates &element, const CoRiBoDynamics::EnvironmentForces &forces) const
	Adds one element on `solver` with the added mass of its water (reading `forces'` environment) and sets its n; returns n.

std::vector< int >	AddElements (CoRiBoDynamics::ConstraintSolver &solver, std::vector< ElementStates >::iterator first, std::vector< ElementStates >::iterator last, const CoRiBoDynamics::EnvironmentForces &forces) const
	Adds the elements [first, last) in order; returns their solver indices.

Constructor & Destructor Documentation

◆ CableSegment()

trawl_mooring::CableSegment::CableSegment	(	const CableMaterial &	material,
		double	elementLength,
		double	frequencyCoefficient
	)

Parameters

material	The segment's material.
elementLength	The length of each element [m].
frequencyCoefficient	The solver's regulator frequency coefficient (`RegulatorFrequencyCoefficient`).

Member Function Documentation

◆ CollisionProperties()

CoRiBoDynamics::TrawlCableCollisionManager::CableCollisionManagerProperties trawl_mooring::CableSegment::CollisionProperties	(	const std::vector< int > &	elements,
		double	stiffnessFactor,
		double	collisionFrequencyCoefficient
	)		const

The collision properties over elements: contact stiffness stiffnessFactor · GammaN · L · (f / f_c)², the element length and radius. The friction coefficient and contact damping are the caller's.

◆ EnvironmentSegment()

CoRiBoDynamics::EnvironmentForces::CableSegment trawl_mooring::CableSegment::EnvironmentSegment	(	const std::vector< int > &	elements,
		bool	gaussPointDrag = `false`
	)		const

The environment-force properties over elements.