Class CR3BPForceModel
- java.lang.Object
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- org.orekit.propagation.numerical.cr3bp.CR3BPForceModel
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- All Implemented Interfaces:
ForceModel
,EventDetectorsProvider
,ParameterDriversProvider
public class CR3BPForceModel extends Object implements ForceModel
Class calculating the acceleration induced by CR3BP model.- Since:
- 10.2
- Author:
- Vincent Mouraux
- See Also:
- "Dynamical systems, the three-body problem, and space mission design, Koon, Lo, Marsden, Ross"
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Field Summary
Fields Modifier and Type Field Description static String
MASS_RATIO_SUFFIX
Suffix for parameter name for Mass Ratio enabling Jacobian processing.-
Fields inherited from interface org.orekit.propagation.events.EventDetectorsProvider
DATATION_ACCURACY
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Constructor Summary
Constructors Constructor Description CR3BPForceModel(CR3BPSystem cr3bp)
Simple constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description <T extends CalculusFieldElement<T>>
FieldVector3D<T>acceleration(FieldSpacecraftState<T> s, T[] parameters)
Compute acceleration.Vector3D
acceleration(SpacecraftState s, double[] parameters)
Compute acceleration.boolean
dependsOnPositionOnly()
Check if force model depends on position only at a given, fixed date.List<ParameterDriver>
getParametersDrivers()
Get the drivers for parameters.<T extends CalculusFieldElement<T>>
FieldDerivativeStructure<T>getPotential(FieldSpacecraftState<T> s)
Calculate spacecraft potential.DerivativeStructure
getPotential(SpacecraftState s)
Calculate spacecraft potential.-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.orekit.propagation.events.EventDetectorsProvider
getEventDetectors, getFieldEventDetectors
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Methods inherited from interface org.orekit.forces.ForceModel
addContribution, addContribution, dependsOnAttitudeRate, getEventDetectors, getFieldEventDetectors, init, init
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Methods inherited from interface org.orekit.utils.ParameterDriversProvider
getNbParametersDriversValue, getParameterDriver, getParameters, getParameters, getParameters, getParameters, getParametersAllValues, getParametersAllValues, isSupported
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Field Detail
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MASS_RATIO_SUFFIX
public static final String MASS_RATIO_SUFFIX
Suffix for parameter name for Mass Ratio enabling Jacobian processing.- See Also:
- Constant Field Values
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Constructor Detail
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CR3BPForceModel
public CR3BPForceModel(CR3BPSystem cr3bp)
Simple constructor.- Parameters:
cr3bp
- Name of the CR3BP System
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Method Detail
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acceleration
public Vector3D acceleration(SpacecraftState s, double[] parameters)
Compute acceleration.- Specified by:
acceleration
in interfaceForceModel
- Parameters:
s
- current state information: date, kinematics, attitudeparameters
- values of the force model parameters at state date, only 1 value for each parameterDriver- Returns:
- acceleration in same frame as state
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acceleration
public <T extends CalculusFieldElement<T>> FieldVector3D<T> acceleration(FieldSpacecraftState<T> s, T[] parameters)
Compute acceleration.- Specified by:
acceleration
in interfaceForceModel
- Type Parameters:
T
- type of the elements- Parameters:
s
- current state information: date, kinematics, attitudeparameters
- values of the force model parameters at state date, only 1 value for each parameterDriver- Returns:
- acceleration in same frame as state
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getPotential
public DerivativeStructure getPotential(SpacecraftState s)
Calculate spacecraft potential.- Parameters:
s
- SpacecraftState- Returns:
- Spacecraft Potential
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getPotential
public <T extends CalculusFieldElement<T>> FieldDerivativeStructure<T> getPotential(FieldSpacecraftState<T> s)
Calculate spacecraft potential.- Type Parameters:
T
- Field element- Parameters:
s
- SpacecraftState- Returns:
- Spacecraft Potential
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getParametersDrivers
public List<ParameterDriver> getParametersDrivers()
Get the drivers for parameters.- Specified by:
getParametersDrivers
in interfaceParameterDriversProvider
- Returns:
- drivers for parameters
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dependsOnPositionOnly
public boolean dependsOnPositionOnly()
Check if force model depends on position only at a given, fixed date.- Specified by:
dependsOnPositionOnly
in interfaceForceModel
- Returns:
- true if force model depends on position only, false if it depends on velocity, either directly or due to a dependency on attitude
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