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java.lang.Object fr.cnes.sirius.patrius.assembly.models.GlobalAeroModel
public final class GlobalAeroModel
Global aero model for generic user-provided aero coefficients.
This model requires a AeroProperty
. This property has to be applied to Main part only:
AeroProperty
, an exception is thrown.AeroProperty
, they are not taken into account.
Constructor Summary | |
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GlobalAeroModel(Assembly assemblyIn,
DragCoefficientProvider dragCoefficientProviderIn,
ExtendedAtmosphere atmosphereIn)
Constructor with default partial derivatives time step DEFAULT_STEP . |
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GlobalAeroModel(Assembly assemblyIn,
DragCoefficientProvider dragCoefficientProviderIn,
ExtendedAtmosphere atmosphereIn,
double partialDerivativesStep)
Constructor. |
Method Summary | |
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void |
addDDragAccDParam(SpacecraftState s,
Parameter param,
double density,
Vector3D relativeVelocity,
double[] dAccdParam)
Compute acceleration derivatives with respect to additional parameters (the ballistic coefficient). |
void |
addDDragAccDState(SpacecraftState s,
double[][] dAccdPos,
double[][] dAccdVel,
double density,
Vector3D acceleration,
Vector3D relativeVelocity,
boolean computeGradientPosition,
boolean computeGradientVelocity)
Compute acceleration derivatives with respect to state parameters (position and velocity). |
Vector3D |
dragAcceleration(SpacecraftState state,
double density,
Vector3D relativeVelocity)
Method to compute the aero acceleration, based on the assembly. |
ArrayList<Parameter> |
getJacobianParameters()
Get the list of all jacobian parameters supported. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public GlobalAeroModel(Assembly assemblyIn, DragCoefficientProvider dragCoefficientProviderIn, ExtendedAtmosphere atmosphereIn, double partialDerivativesStep)
assemblyIn
- assemblydragCoefficientProviderIn
- drag coefficient (x surface) provideratmosphereIn
- atmospherepartialDerivativesStep
- partial derivatives position steppublic GlobalAeroModel(Assembly assemblyIn, DragCoefficientProvider dragCoefficientProviderIn, ExtendedAtmosphere atmosphereIn)
DEFAULT_STEP
.
assemblyIn
- assemblydragCoefficientProviderIn
- drag coefficient provideratmosphereIn
- atmosphereMethod Detail |
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public Vector3D dragAcceleration(SpacecraftState state, double density, Vector3D relativeVelocity) throws OrekitException
dragAcceleration
in interface DragSensitive
state
- the current state of the spacecraft.density
- the atmosphere density.relativeVelocity
- relative velocity of atmosphere with respect to spacecraft,
in the same inertial frame as spacecraft orbit (m/s).
WARNING : Remember that consequently, the spacecraft velocity is
obtained as the opposite of relativeVelocity.
OrekitException
- when an error occurs.public void addDDragAccDParam(SpacecraftState s, Parameter param, double density, Vector3D relativeVelocity, double[] dAccdParam) throws OrekitException
addDDragAccDParam
in interface DragSensitive
s
- spacecraft stateparam
- parameterdensity
- the atmospheric density valuerelativeVelocity
- relative velocity of atmosphere with respect to spacecraft,
in the same inertial frame as spacecraft orbit (m/s)dAccdParam
- acceleration derivatives with respect to ballistic coefficient
OrekitException
- if derivatives cannot be computedpublic void addDDragAccDState(SpacecraftState s, double[][] dAccdPos, double[][] dAccdVel, double density, Vector3D acceleration, Vector3D relativeVelocity, boolean computeGradientPosition, boolean computeGradientVelocity) throws OrekitException
addDDragAccDState
in interface DragSensitive
s
- spacecraft statedAccdPos
- acceleration derivatives with respect to position parametersdAccdVel
- acceleration derivatives with respect to velocity parametersdensity
- the atmospheric density valueacceleration
- the spacecraft acceleration in the inertial framerelativeVelocity
- relative velocity of atmosphere with respect to spacecraft,
in the same inertial frame as spacecraft orbit (m/s)computeGradientPosition
- true if partial derivatives with respect to position should be computedcomputeGradientVelocity
- true if partial derivatives with respect to position should be computed
OrekitException
- if derivatives cannot be computedpublic ArrayList<Parameter> getJacobianParameters()
getJacobianParameters
in interface JacobianParametersProvider
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