chrono::vehicle::RotationalDamperRWAssembly Class Reference

Description

Torsion-bar suspension system using linear dampers constructed with data from file (JSON format)

#include <RotationalDamperRWAssembly.h>

Inheritance diagram for chrono::vehicle::RotationalDamperRWAssembly:
Collaboration diagram for chrono::vehicle::RotationalDamperRWAssembly:

Public Member Functions

 RotationalDamperRWAssembly (const std::string &filename, bool has_shock)
 
 RotationalDamperRWAssembly (const rapidjson::Document &d, bool has_shock)
 
virtual double GetArmMass () const override
 Return the mass of the arm body.
 
virtual const ChVectorGetArmInertia () const override
 Return the moments of inertia of the arm body.
 
virtual double GetArmVisRadius () const override
 Return a visualization radius for the arm body.
 
virtual ChRotSpringTorqueCallbackGetSpringTorqueCallback () const override
 Return the callback function for the torsional spring force.
 
virtual ChRotSpringTorqueCallbackGetShockTorqueCallback () const override
 Return the callback function for the torsional shock force.
 
- Public Member Functions inherited from chrono::vehicle::ChRotationalDamperRWAssembly
 ChRotationalDamperRWAssembly (const std::string &name, bool has_shock=true)
 
virtual std::shared_ptr< ChBodyGetCarrierBody () const override
 Get a handle to the carrier body.
 
virtual double GetCarrierAngle () const override
 Return the current pitch angle of the carrir body. More...
 
std::shared_ptr
< ChLinkLockRevolute
GetArmRevolute () const
 Get a handle to the revolute joint of the arm.
 
virtual double GetMass () const override
 Get the total mass of the roadwheel assembly. More...
 
virtual void Initialize (std::shared_ptr< ChBodyAuxRef > chassis, const ChVector<> &location) override
 Initialize this suspension subsystem. More...
 
virtual void AddVisualizationAssets (VisualizationType vis) override
 Add visualization assets for the suspension subsystem.
 
virtual void RemoveVisualizationAssets () overridefinal
 Remove visualization assets for the suspension subsystem.
 
void LogConstraintViolations () override
 Log current constraint violations.
 
- Public Member Functions inherited from chrono::vehicle::ChRoadWheelAssembly
 ChRoadWheelAssembly (const std::string &name)
 
GuidePinType GetType () const
 Return the type of track shoe consistent with this road wheel.
 
std::shared_ptr< ChRoadWheelGetRoadWheel () const
 Return a handle to the road wheel subsystem.
 
std::shared_ptr< ChBodyGetWheelBody () const
 Get a handle to the road wheel body.
 
std::shared_ptr
< ChLinkLockRevolute
GetWheelRevolute () const
 Get a handle to the revolute joint of the road-wheel.
 
double GetWheelRadius () const
 Get the radius of the road wheel.
 
- Public Member Functions inherited from chrono::vehicle::ChPart
 ChPart (const std::string &name)
 Construct a vehicle subsystem with the specified name. More...
 
const std::string & GetName () const
 Get the name identifier for this track shoe subsystem.
 
void SetName (const std::string &name)
 Set the name identifier for this track shoe subsystem.
 
void SetVisualizationType (VisualizationType vis)
 Set the visualization mode for this subsystem.
 
void SetContactFrictionCoefficient (float friction_coefficient)
 Set coefficient of friction. More...
 
void SetContactRestitutionCoefficient (float restitution_coefficient)
 Set coefficient of restitution. More...
 
void SetContactMaterialProperties (float young_modulus, float poisson_ratio)
 Set contact material properties. More...
 
void SetContactMaterialCoefficients (float kn, float gn, float kt, float gt)
 Set contact material coefficients. More...
 
float GetCoefficientFriction () const
 Get coefficient of friction for contact material.
 
float GetCoefficientRestitution () const
 Get coefficient of restitution for contact material.
 
float GetYoungModulus () const
 Get Young's modulus of elasticity for contact material.
 
float GetPoissonRatio () const
 Get Poisson ratio for contact material.
 
float GetKn () const
 Get normal stiffness coefficient for contact material.
 
float GetKt () const
 Get tangential stiffness coefficient for contact material.
 
float GetGn () const
 Get normal viscous damping coefficient for contact material.
 
float GetGt () const
 Get tangential viscous damping coefficient for contact material.
 

Additional Inherited Members

- Protected Types inherited from chrono::vehicle::ChRotationalDamperRWAssembly
enum  PointId { ARM, ARM_WHEEL, ARM_CHASSIS, NUM_POINTS }
 Identifiers for the various hardpoints. More...
 
- Protected Attributes inherited from chrono::vehicle::ChRotationalDamperRWAssembly
bool m_has_shock
 specifies whether or not the suspension has a damper
 
std::shared_ptr< ChBodym_arm
 handle to the trailing arm body
 
std::shared_ptr
< ChLinkLockRevolute
m_revolute
 handle to the revolute joint arm-chassis
 
std::shared_ptr
< ChLinkRotSpringCB
m_spring
 handle to the rotational spring link
 
std::shared_ptr
< ChLinkRotSpringCB
m_shock
 handle to the rotational shock link
 
- Protected Attributes inherited from chrono::vehicle::ChRoadWheelAssembly
GuidePinType m_type
 type of the track shoe matching this road wheel
 
std::shared_ptr< ChRoadWheelm_road_wheel
 road-wheel subsystem
 
- Protected Attributes inherited from chrono::vehicle::ChPart
std::string m_name
 
float m_friction
 contact coefficient of friction
 
float m_restitution
 contact coefficient of restitution
 
float m_young_modulus
 contact material Young modulus
 
float m_poisson_ratio
 contact material Poisson ratio
 
float m_kn
 normal contact stiffness
 
float m_gn
 normal contact damping
 
float m_kt
 tangential contact stiffness
 
float m_gt
 tangential contact damping