mbsim  4.0.0
MBSim Kernel
MBSim::RKSuiteIntegrator Class Reference

ODE-Integrator RKSuite. More...

#include <rksuite_integrator.h>

Inheritance diagram for MBSim::RKSuiteIntegrator:
[legend]

Public Types

enum  Method { RK23 =1 , RK45 , RK78 , unknownMethod }
 

Public Member Functions

virtual ~RKSuiteIntegrator () override
 destructor
 
void preIntegrate () override
 
void subIntegrate (double tStop) override
 
void postIntegrate () override
 
void setMethod (Method method_)
 
void setRelativeTolerance (double rTol_)
 
void setThreshold (const fmatvec::Vec &thres_)
 
void setThreshold (double thres_)
 
void setInitialStepSize (double dt0_)
 
void integrate () override
 start the integration of the system set by setSystem. Each class implemeting this function should call debugInit first. More...
 
virtual void initializeUsingXML (xercesc::DOMElement *element) override
 initialize integrator More...
 
virtual void integrate ()=0
 start the integration of the system set by setSystem. Each class implemeting this function should call debugInit first. More...
 
void integrate (MBSim::DynamicSystemSolver &sys)
 Convinent function: call setSystem(&sys) and integrate()
 
- Public Member Functions inherited from MBSim::RootFindingIntegrator
void setRootFindingAccuracy (double dtRoot_)
 Define the root-finding accuracy.
 
void setPlotOnRoot (bool b)
 Define wether to trigger a plot before and after each found root.
 
void setToleranceForPositionConstraints (double gMax_)
 Set the maximum allowed position drift.
 
void setToleranceForVelocityConstraints (double gdMax_)
 Set the maximum allowed velocity drift.
 
double getToleranceForPositionConstraints ()
 Get the maximum allowed position drift.
 
double getToleranceForVelocityConstraints ()
 Get the maximum allowed velocity drift.
 
virtual void initializeUsingXML (xercesc::DOMElement *element)
 initialize integrator More...
 
- Public Member Functions inherited from MBSim::Integrator
 Integrator ()
 constructor
 
 ~Integrator () override=default
 destructor
 
void setStartTime (double tStart_)
 
void setEndTime (double tEnd_)
 
void setPlotStepSize (double dtPlot_)
 
void setInitialState (const fmatvec::Vec &z0_)
 
double getStartTime () const
 
double getEndTime () const
 
double getPlotStepSize () const
 
const fmatvec::Vec & getInitialState () const override
 
void execute () override
 start solving the dynamic system set by setSystem. More...
 
virtual void integrate ()=0
 start the integration of the system set by setSystem. Each class implemeting this function should call debugInit first. More...
 
void integrate (MBSim::DynamicSystemSolver &sys)
 Convinent function: call setSystem(&sys) and integrate()
 
void debugInit ()
 
virtual void preIntegrate ()
 
virtual void subIntegrate (double tStop)
 
virtual void postIntegrate ()
 
void initializeUsingXML (xercesc::DOMElement *element) override
 initialize integrator More...
 
- Public Member Functions inherited from MBSim::Solver
 Solver ()
 constructor
 
 ~Solver () override=default
 destructor
 
void throwError (const std::string &msg) const
 
virtual void execute ()=0
 start solving the dynamic system set by setSystem. More...
 
virtual void postprocessing ()
 
virtual void initializeUsingXML (xercesc::DOMElement *element)
 
virtual const fmatvec::Vec & getInitialState () const =0
 
void setSystem (DynamicSystemSolver *s)
 
MBSim::DynamicSystemSolvergetSystem ()
 
const MBXMLUtils::DOMEvalExceptiongetDOMEvalError () const
 

Static Private Member Functions

static void fzdot (double *t, double *z_, double *zd_)
 

Private Attributes

int zSize
 
Method method {RK45}
 
fmatvec::Vec thres
 
double rTol {1e-6}
 
double dt0 {0}
 
int lenwrk
 
int messages {0}
 
int integrationSteps {0}
 
int lenint
 
double t {0}
 
double tPlot {0}
 
double s0 {0}
 
double time {0}
 
double * work {nullptr}
 
double * workint {nullptr}
 
fmatvec::Vec z
 
fmatvec::Vec zd
 
fmatvec::Vec zMax
 
fmatvec::Vec zWant
 
fmatvec::Vec zdWant
 
std::exception_ptr exception
 

Static Private Attributes

static RKSuiteIntegratorselfStatic = nullptr
 

Additional Inherited Members

- Protected Member Functions inherited from MBSim::RootFindingIntegrator
bool signChangedWRTsvLast (const fmatvec::Vec &svStepEnd) const
 
- Protected Attributes inherited from MBSim::RootFindingIntegrator
double dtRoot {1e-10}
 
bool plotOnRoot {false}
 
double gMax {-1}
 
double gdMax {-1}
 
fmatvec::Vec svLast
 
bool shift {false}
 
- Protected Attributes inherited from MBSim::Integrator
double tStart {0.}
 start, end, plot time
 
double tEnd {1.}
 
double dtPlot {1e-4}
 
fmatvec::Vec z0
 initial state
 
std::string name
 name of integrator
 
- Protected Attributes inherited from MBSim::Solver
MBSim::DynamicSystemSolversystem
 dynamic system
 
MBXMLUtils::DOMEvalException domEvalError
 Special XML helper variable.
 

Detailed Description

ODE-Integrator RKSuite.

This integrator uses RKSUITE (http://www.netlib.org/ode/rksuite).

Member Function Documentation

◆ initializeUsingXML()

void MBSim::RKSuiteIntegrator::initializeUsingXML ( xercesc::DOMElement *  element)
overridevirtual

initialize integrator

Parameters
XMLdescription

Reimplemented from MBSim::RootFindingIntegrator.

◆ integrate() [1/2]

void MBSim::RKSuiteIntegrator::integrate ( )
overridevirtual

start the integration of the system set by setSystem. Each class implemeting this function should call debugInit first.

Implements MBSim::Integrator.

◆ integrate() [2/2]

virtual void MBSim::Integrator::integrate ( )
virtual

start the integration of the system set by setSystem. Each class implemeting this function should call debugInit first.

Implements MBSim::Integrator.

◆ postIntegrate()

void MBSim::RKSuiteIntegrator::postIntegrate ( )
overridevirtual

Reimplemented from MBSim::Integrator.

◆ preIntegrate()

void MBSim::RKSuiteIntegrator::preIntegrate ( )
overridevirtual

Reimplemented from MBSim::Integrator.

◆ subIntegrate()

void MBSim::RKSuiteIntegrator::subIntegrate ( double  tStop)
overridevirtual

Reimplemented from MBSim::Integrator.

Member Data Documentation

◆ dt0

double MBSim::RKSuiteIntegrator::dt0 {0}
private

initial step size

◆ method

Method MBSim::RKSuiteIntegrator::method {RK45}
private

method

◆ rTol

double MBSim::RKSuiteIntegrator::rTol {1e-6}
private

relative tolerance

◆ thres

fmatvec::Vec MBSim::RKSuiteIntegrator::thres
private

threshold


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