Description
Leaf-spring solid axle suspension constructed with data from file.
#include <SAELeafspringAxle.h>
Public Member Functions | |
SAELeafspringAxle (const std::string &filename) | |
SAELeafspringAxle (const rapidjson::Document &d) | |
Public Member Functions inherited from chrono::vehicle::ChSAELeafspringAxle | |
ChSAELeafspringAxle (const std::string &name) | |
virtual std::string | GetTemplateName () const override |
Get the name of the vehicle subsystem template. | |
virtual bool | IsSteerable () const final override |
Specify whether or not this suspension can be steered. | |
virtual bool | IsIndependent () const final override |
Specify whether or not this is an independent suspension. | |
virtual void | Initialize (std::shared_ptr< ChChassis > chassis, std::shared_ptr< ChSubchassis > subchassis, std::shared_ptr< ChSteering > steering, const ChVector3d &location, double left_ang_vel=0, double right_ang_vel=0) override |
Initialize this suspension subsystem. More... | |
virtual void | AddVisualizationAssets (VisualizationType vis) override |
Add visualization assets for the suspension subsystem. More... | |
virtual void | RemoveVisualizationAssets () override |
Remove visualization assets for the suspension subsystem. | |
virtual double | GetTrack () override |
Get the wheel track for the suspension subsystem. | |
std::shared_ptr< ChLinkTSDA > | GetSpring (VehicleSide side) const |
Get a handle to the specified spring element. | |
std::shared_ptr< ChLinkTSDA > | GetShock (VehicleSide side) const |
Get a handle to the specified shock (damper) element. | |
virtual std::vector< ForceTSDA > | ReportSuspensionForce (VehicleSide side) const override |
Return current suspension TSDA force information on the specified side. | |
double | GetSpringForce (VehicleSide side) const |
Get the force in the spring element. | |
double | GetSpringLength (VehicleSide side) const |
Get the current length of the spring element. | |
double | GetSpringDeformation (VehicleSide side) const |
Get the current deformation of the spring element. | |
double | GetShockForce (VehicleSide side) const |
Get the force in the shock (damper) element. | |
double | GetShockLength (VehicleSide side) const |
Get the current length of the shock (damper) element. | |
double | GetShockVelocity (VehicleSide side) const |
Get the current deformation velocity of the shock (damper) element. | |
virtual void | LogConstraintViolations (VehicleSide side) override |
Log current constraint violations. | |
void | LogHardpointLocations (const ChVector3d &ref, bool inches=false) |
Public Member Functions inherited from chrono::vehicle::ChSuspension | |
const ChVector3d & | GetRelPosition () const |
Get the location of the suspension subsystem relative to the associated chassis reference frame. More... | |
std::shared_ptr< ChBody > | GetSpindle (VehicleSide side) const |
Get a handle to the spindle body on the specified side. | |
std::shared_ptr< ChShaft > | GetAxle (VehicleSide side) const |
Get a handle to the axle shaft on the specified side. | |
std::shared_ptr< ChLinkLockRevolute > | GetRevolute (VehicleSide side) const |
Get a handle to the revolute joint on the specified side. | |
const ChVector3d & | GetSpindlePos (VehicleSide side) const |
Get the global location of the spindle on the specified side. | |
ChQuaternion | GetSpindleRot (VehicleSide side) const |
Get the orientation of the spindle body on the specified side. More... | |
const ChVector3d & | GetSpindleLinVel (VehicleSide side) const |
Get the linear velocity of the spindle body on the specified side. More... | |
ChVector3d | GetSpindleAngVel (VehicleSide side) const |
Get the angular velocity of the spindle body on the specified side. More... | |
double | GetAxleSpeed (VehicleSide side) const |
Get the angular speed of the axle on the specified side. | |
virtual void | Synchronize (double time) |
Synchronize this suspension subsystem. | |
virtual void | Advance (double step) |
Advance the state of the suspension subsystem by the specified time step. | |
void | ApplyAxleTorque (VehicleSide side, double torque) |
Apply the provided motor torque. More... | |
virtual std::shared_ptr< ChBody > | GetAntirollBody (VehicleSide side) const |
Specify the suspension body on the specified side to attach a possible antirollbar subsystem. More... | |
virtual std::shared_ptr< ChBody > | GetBrakeBody (VehicleSide side) const |
Specify the body on the specified side for a possible connection to brake subsystem. More... | |
virtual std::vector< ForceRSDA > | ReportSuspensionTorque (VehicleSide side) const |
Return current RSDA torque information on the specified side. | |
void | ApplyParkingBrake (bool brake) |
Simple model of a parking brake. | |
Public Member Functions inherited from chrono::vehicle::ChPart | |
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. | |
bool | IsInitialized () const |
Return flag indicating whether or not the part is fully constructed. | |
double | GetMass () const |
Get the subsystem mass. More... | |
const ChFrame & | GetCOMFrame () const |
Get the current subsystem COM frame (relative to and expressed in the subsystem's reference frame). More... | |
const ChMatrix33 & | GetInertia () const |
Get the current subsystem inertia (relative to the subsystem COM frame). More... | |
const ChFrame & | GetTransform () const |
Get the current subsystem position relative to the global frame. More... | |
void | SetVisualizationType (VisualizationType vis) |
Set the visualization mode for this subsystem. | |
virtual void | SetOutput (bool state) |
Enable/disable output for this subsystem. | |
bool | OutputEnabled () const |
Return the output state for this subsystem. | |
Protected Member Functions | |
virtual double | getCamberAngle () const override |
Return the camber angle, in radians (default: 0). | |
virtual double | getToeAngle () const override |
Return the toe angle, in radians (default: 0). More... | |
virtual const ChVector3d | getAxleTubeCOM () const override |
Return the center of mass of the axle tube. | |
virtual double | getSpindleRadius () const override |
Return the radius of the spindle body (visualization only). | |
virtual double | getSpindleWidth () const override |
Return the width of the spindle body (visualization only). | |
virtual double | getAxleTubeMass () const override |
Return the mass of the axle tube body. | |
virtual double | getSpindleMass () const override |
Return the mass of the spindle body. | |
virtual double | getFrontLeafMass () const override |
Return the mass of the frontleaf body. | |
virtual double | getRearLeafMass () const override |
Return the mass of the rearleaf body. | |
virtual double | getClampMass () const override |
Return the mass of the half clamp body. | |
virtual double | getShackleMass () const override |
Return the mass of the shackle body. | |
virtual double | getAxleTubeRadius () const override |
Return the radius of the axle tube body (visualization only). | |
virtual const ChVector3d & | getAxleTubeInertia () const override |
Return the moments of inertia of the axle tube body. | |
virtual const ChVector3d & | getSpindleInertia () const override |
Return the moments of inertia of the spindle body. | |
virtual const ChVector3d & | getFrontLeafInertia () const override |
Return the moments of inertia of the frontleaf body. | |
virtual const ChVector3d & | getRearLeafInertia () const override |
Return the moments of inertia of the frontleaf body. | |
virtual const ChVector3d & | getClampInertia () const override |
Return the moments of inertia of the half leafclamp body. | |
virtual const ChVector3d & | getShackleInertia () const override |
Return the moments of inertia of the shackle body. | |
virtual double | getAxleInertia () const override |
Return the inertia of the axle shaft. | |
virtual double | getSpringRestLength () const override |
Return the free (rest) length of the spring element. | |
virtual double | getShockRestLength () const override |
Return the free (rest) length of the shock element. | |
virtual std::shared_ptr< ChLinkTSDA::ForceFunctor > | getSpringForceFunctor () const override |
Return the functor object for spring force. | |
virtual std::shared_ptr< ChLinkTSDA::ForceFunctor > | getShockForceFunctor () const override |
Return the functor object for shock force. | |
virtual std::shared_ptr< ChLinkRSDA::TorqueFunctor > | getLatTorqueFunctorA () const override |
virtual std::shared_ptr< ChLinkRSDA::TorqueFunctor > | getLatTorqueFunctorB () const override |
virtual std::shared_ptr< ChLinkRSDA::TorqueFunctor > | getVertTorqueFunctorA () const override |
virtual std::shared_ptr< ChLinkRSDA::TorqueFunctor > | getVertTorqueFunctorB () const override |
virtual std::shared_ptr< ChVehicleBushingData > | getShackleBushingData () const override |
Return stiffness and damping data for the shackle bushing. More... | |
virtual std::shared_ptr< ChVehicleBushingData > | getClampBushingData () const override |
Return stiffness and damping data for the clamp bushing. More... | |
virtual std::shared_ptr< ChVehicleBushingData > | getLeafspringBushingData () const override |
Return stiffness and damping data for the leafspring bushing. More... | |
Protected Member Functions inherited from chrono::vehicle::ChSAELeafspringAxle | |
virtual void | InitializeInertiaProperties () override |
Initialize subsystem inertia properties. More... | |
virtual void | UpdateInertiaProperties () override |
Update subsystem inertia properties. More... | |
Protected Member Functions inherited from chrono::vehicle::ChSuspension | |
ChSuspension (const std::string &name) | |
Construct a suspension subsystem with given name. | |
Protected Member Functions inherited from chrono::vehicle::ChPart | |
ChPart (const std::string &name) | |
Construct a vehicle subsystem with the specified name. | |
void | AddMass (double &mass) |
Add this subsystem's mass. More... | |
void | AddInertiaProperties (ChVector3d &com, ChMatrix33<> &inertia) |
Add this subsystem's inertia properties. More... | |
void | ExportBodyList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChBody >> bodies) const |
Export the list of bodies to the specified JSON document. | |
void | ExportShaftList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChShaft >> shafts) const |
Export the list of shafts to the specified JSON document. | |
void | ExportJointList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLink >> joints) const |
Export the list of joints to the specified JSON document. | |
void | ExportCouplesList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChShaftsCouple >> couples) const |
Export the list of shaft couples to the specified JSON document. | |
void | ExportMarkerList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChMarker >> markers) const |
Export the list of markers to the specified JSON document. | |
void | ExportLinSpringList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLinkTSDA >> springs) const |
Export the list of translational springs to the specified JSON document. | |
void | ExportRotSpringList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLinkRSDA >> springs) const |
Export the list of rotational springs to the specified JSON document. | |
void | ExportBodyLoadList (rapidjson::Document &jsonDocument, std::vector< std::shared_ptr< ChLoadBodyBody >> loads) const |
Export the list of body-body loads to the specified JSON document. | |
Additional Inherited Members | |
Static Public Member Functions inherited from chrono::vehicle::ChPart | |
static ChMatrix33 | TransformInertiaMatrix (const ChVector3d &moments, const ChVector3d &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::ChSAELeafspringAxle | |
enum | PointId { SHOCK_A, SHOCK_C, SPRING_A, SPRING_C, SPINDLE, CLAMP_A, CLAMP_B, FRONT_HANGER, REAR_HANGER, SHACKLE, NUM_POINTS } |
Identifiers for the various hardpoints. More... | |
Static Protected Member Functions inherited from chrono::vehicle::ChPart | |
static void | RemoveVisualizationAssets (std::shared_ptr< ChPhysicsItem > item) |
Erase all visual shapes from the visual model associated with the specified physics item (if any). | |
static void | RemoveVisualizationAsset (std::shared_ptr< ChPhysicsItem > item, std::shared_ptr< ChVisualShape > shape) |
Erase the given shape from the visual model associated with the specified physics item (if any). | |
Protected Attributes inherited from chrono::vehicle::ChSAELeafspringAxle | |
std::shared_ptr< ChBody > | m_axleTube |
axle tube body | |
std::shared_ptr< ChLinkTSDA > | m_shock [2] |
spring links (L/R) | |
std::shared_ptr< ChLinkTSDA > | m_spring [2] |
shock links (L/R) | |
std::shared_ptr< ChBody > | m_shackle [2] |
shackle bodies | |
std::shared_ptr< ChVehicleJoint > | m_shackleRev [2] |
chassis-shackle rotational joint | |
std::shared_ptr< ChBody > | m_frontleaf [2] |
frontleaf bodies | |
std::shared_ptr< ChLinkLockSpherical > | m_frontleafSph [2] |
frontleaf-chassis spherical joint | |
std::shared_ptr< ChVehicleJoint > | m_frontleafRev [2] |
frontleaf-clampA rotational joint | |
std::shared_ptr< ChBody > | m_rearleaf [2] |
rearleaf bodies | |
std::shared_ptr< ChLinkLockSpherical > | m_rearleafSph [2] |
rearleaf-chassis spherical joint | |
std::shared_ptr< ChVehicleJoint > | m_rearleafRev [2] |
rearleaf-clampB rotational joint | |
std::shared_ptr< ChBody > | m_clampA [2] |
clampA bodies | |
std::shared_ptr< ChVehicleJoint > | m_clampARev [2] |
clampA-axleTube rotational joint Z | |
std::shared_ptr< ChBody > | m_clampB [2] |
clampB bodies | |
std::shared_ptr< ChVehicleJoint > | m_clampBRev [2] |
clampB-axleTube rotational joint Z | |
std::shared_ptr< ChLinkRSDA > | m_latRotSpringA [2] |
mimics lateral stiffness of frontleaf | |
std::shared_ptr< ChLinkRSDA > | m_latRotSpringB [2] |
mimics lateral stiffness of rearleaf | |
std::shared_ptr< ChLinkRSDA > | m_vertRotSpringA [2] |
mimics vertical stiffness of frontleaf | |
std::shared_ptr< ChLinkRSDA > | m_vertRotSpringB [2] |
mimics vertical stiffness of rearleaf | |
Protected Attributes inherited from chrono::vehicle::ChSuspension | |
ChVector3d | m_rel_loc |
location relative to chassis | |
std::shared_ptr< ChBody > | m_spindle [2] |
handles to spindle bodies | |
std::shared_ptr< ChShaft > | m_axle [2] |
handles to axle shafts | |
std::shared_ptr< ChShaftBodyRotation > | m_axle_to_spindle [2] |
handles to spindle-shaft connectors | |
std::shared_ptr< ChLinkLockRevolute > | m_revolute [2] |
handles to spindle revolute joints | |
Protected Attributes inherited from chrono::vehicle::ChPart | |
std::string | m_name |
subsystem name | |
bool | m_initialized |
specifies whether ot not the part is fully constructed | |
bool | m_output |
specifies whether or not output is generated for this subsystem | |
std::shared_ptr< ChPart > | m_parent |
parent subsystem (empty if parent is vehicle) | |
double | m_mass |
subsystem mass | |
ChMatrix33 | m_inertia |
inertia tensor (relative to subsystem COM) | |
ChFrame | m_com |
COM frame (relative to subsystem reference frame) | |
ChFrame | m_xform |
subsystem frame expressed in the global frame | |
Member Function Documentation
◆ getClampBushingData()
|
inlineoverrideprotectedvirtual |
Return stiffness and damping data for the clamp bushing.
Returning nullptr (default) results in using a kinematic revolute joint.
Reimplemented from chrono::vehicle::ChSAELeafspringAxle.
◆ getLeafspringBushingData()
|
inlineoverrideprotectedvirtual |
Return stiffness and damping data for the leafspring bushing.
Returning nullptr (default) results in using a kinematic revolute joint.
Reimplemented from chrono::vehicle::ChSAELeafspringAxle.
◆ getShackleBushingData()
|
inlineoverrideprotectedvirtual |
Return stiffness and damping data for the shackle bushing.
Returning nullptr (default) results in using a kinematic revolute joint.
Reimplemented from chrono::vehicle::ChSAELeafspringAxle.
◆ getToeAngle()
|
inlineoverrideprotectedvirtual |
Return the toe angle, in radians (default: 0).
A positive value indicates toe-in, a negative value indicates toe-out.
Reimplemented from chrono::vehicle::ChSAELeafspringAxle.
The documentation for this class was generated from the following files:
- /builds/uwsbel/chrono/src/chrono_vehicle/wheeled_vehicle/suspension/SAELeafspringAxle.h
- /builds/uwsbel/chrono/src/chrono_vehicle/wheeled_vehicle/suspension/SAELeafspringAxle.cpp