chrono::vehicle::m113::M113_Suspension Class Reference

Description

Linear-damper M113 suspension (road-wheel assembly).

#include <M113_Suspension.h>

Inheritance diagram for chrono::vehicle::m113::M113_Suspension:
Collaboration diagram for chrono::vehicle::m113::M113_Suspension:

Public Member Functions

 M113_Suspension (const std::string &name, VehicleSide side, int index, bool has_shock)
 
virtual const ChVector GetLocation (PointId which) override
 Return the location of the specified hardpoint. More...
 
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 ChLinkRotSpringCB::TorqueFunctorGetSpringTorqueFunctor () const override
 Return the functor object for the torsional spring torque.
 
virtual ChLinkSpringCB::ForceFunctorGetShockForceFunctor () const override
 Return the functor object for the translational shock force.
 
- Public Member Functions inherited from chrono::vehicle::ChLinearDamperRWAssembly
 ChLinearDamperRWAssembly (const std::string &name, bool has_shock=true)
 
virtual std::string GetTemplateName () const override
 Get the name of the vehicle subsystem template.
 
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 carrier body. More...
 
std::shared_ptr< ChLinkLockRevoluteGetArmRevolute () const
 Get a handle to the revolute joint of the arm.
 
virtual double GetMass () const override
 Get the total mass of the road-wheel 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, bool has_shock)
 
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< ChLinkLockRevoluteGetWheelRevolute () const
 Get a handle to the revolute joint of the road-wheel.
 
double GetWheelRadius () const
 Get the radius of the road wheel.
 
virtual void SetOutput (bool state) override
 Enable/disable output for this subsystem. More...
 
- 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 subsystem.
 
void SetName (const std::string &name)
 Set the name identifier for this 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.
 
bool OutputEnabled () const
 Return the output state for this subsystem.
 

Additional Inherited Members

- Static Public Member Functions inherited from chrono::vehicle::ChPart
static ChMatrix33 TransformInertiaMatrix (const ChVector<> &moments, const ChVector<> &products, const ChMatrix33<> &vehicle_rot, const ChMatrix33<> &body_rot)
 Utility function for transforming inertia tensors between centroidal frames. More...
 
- Protected Types inherited from chrono::vehicle::ChLinearDamperRWAssembly
enum  PointId {
  ARM, ARM_WHEEL, ARM_CHASSIS, SHOCK_A,
  SHOCK_C, NUM_POINTS
}
 Identifiers for the various hardpoints. More...
 
- Protected Member Functions inherited from chrono::vehicle::ChLinearDamperRWAssembly
virtual void ExportComponentList (rapidjson::Document &jsonDocument) const override
 Export this subsystem's component list to the specified JSON object. More...
 
virtual void Output (ChVehicleOutput &database) const override
 Output data for this subsystem's component list to the specified database.
 
- Protected Member Functions inherited from chrono::vehicle::ChPart
virtual void Create (const rapidjson::Document &d)
 Create a vehicle subsystem from JSON data. More...
 
- Static Protected Member Functions inherited from chrono::vehicle::ChPart
static void ExportBodyList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChBody >> bodies)
 Export the list of bodies to the specified JSON document.
 
static void ExportShaftList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChShaft >> shafts)
 Export the list of shafts to the specified JSON document.
 
static void ExportJointList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLink >> joints)
 Export the list of joints to the specified JSON document.
 
static void ExportCouplesList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChShaftsCouple >> couples)
 Export the list of shaft couples to the specified JSON document.
 
static void ExportMarkerList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChMarker >> markers)
 Export the list of markers to the specified JSON document.
 
static void ExportLinSpringList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLinkSpringCB >> springs)
 Export the list of translational springs to the specified JSON document.
 
static void ExportRotSpringList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLinkRotSpringCB >> springs)
 Export the list of rotational springs to the specified JSON document.
 
static void ExportBodyLoadList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLoadBodyBody >> loads)
 Export the list of body-body loads to the specified JSON document.
 
- Protected Attributes inherited from chrono::vehicle::ChLinearDamperRWAssembly
std::shared_ptr< ChBodym_arm
 handle to the trailing arm body
 
std::shared_ptr< ChLinkLockRevolutem_revolute
 handle to the revolute joint arm-chassis
 
std::shared_ptr< ChLinkRotSpringCBm_spring
 handle to the rotational spring link
 
std::shared_ptr< ChLinkSpringCBm_shock
 handle to the translational shock link
 
- Protected Attributes inherited from chrono::vehicle::ChRoadWheelAssembly
GuidePinType m_type
 type of the track shoe matching this road wheel
 
bool m_has_shock
 specifies whether or not the suspension has a damper
 
std::shared_ptr< ChRoadWheelm_road_wheel
 road-wheel subsystem
 
- Protected Attributes inherited from chrono::vehicle::ChPart
std::string m_name
 subsystem name
 
bool m_output
 specifies whether or not output is generated for this subsystem
 
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
 

Member Function Documentation

const ChVector chrono::vehicle::m113::M113_Suspension::GetLocation ( PointId  which)
overridevirtual

Return the location of the specified hardpoint.

The returned location must be expressed in the idler subsystem reference frame.

Implements chrono::vehicle::ChLinearDamperRWAssembly.