IersTechnicalNote36RelativisticCorrectionForce Class |
A NewtonianSpecificForce that models the first order correction to the acceleration of a space object about a CentralBody.
The mathematical details for this model may be found in chapter 10 of "IERS Conventions (2010)".
The model was primarily designed for artificial satellites about Earth, but may be used with any space object and any CentralBody in the solar system.
The force always returns the primary contributor to the correction, the Schwarzchild field of the central body.
By default, corrections for frame-dragging and precession of the geodesic are also included, but may be turned off if so desired.
Inheritance HierarchySystemObject
AGI.Foundation.InfrastructureDefinitionalObject
AGI.Foundation.CelestialForceModel
AGI.Foundation.CelestialIersTechnicalNote36RelativisticCorrectionForce
AGI.Foundation.InfrastructureDefinitionalObject
AGI.Foundation.CelestialForceModel
AGI.Foundation.CelestialIersTechnicalNote36RelativisticCorrectionForce
Namespace: AGI.Foundation.Celestial
Assembly: AGI.Foundation.OrbitPropagation (in AGI.Foundation.OrbitPropagation.dll) Version: 24.2.419.0 (24.2.419.0)
SyntaxThe IersTechnicalNote36RelativisticCorrectionForce type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | IersTechnicalNote36RelativisticCorrectionForce | Initializes a new instance. |
| IersTechnicalNote36RelativisticCorrectionForce(Point) |
Initializes the correction force with the specified Point.
The CentralBody is set to Earth from the CentralBodiesFacet, and the SolarCentralBody is set to the sun from the CentralBodiesFacet.
Both additional corrections (de Sitter and Lense-Thirring) will be used.
|
 | IersTechnicalNote36RelativisticCorrectionForce(IersTechnicalNote36RelativisticCorrectionForce, CopyContext) | Initializes a new instance as a copy of an existing instance. |
| IersTechnicalNote36RelativisticCorrectionForce(CentralBody, Double, Double) |
Initializes the correction force with the specified CentralBody, solar gravitational parameter, and central body gravitational parameter.
The SolarCentralBody is set to the sun from the CentralBodiesFacet.
Both additional corrections (de Sitter and Lense-Thirring) will be used.
|
| IersTechnicalNote36RelativisticCorrectionForce(Point, CentralBody, CentralBody, Vector, Double, Double, Boolean, Boolean) |
Initializes the correction force with the specified parameters.
|
Properties| Name | Description | |
|---|---|---|
 | CentralBody |
Gets or sets the CentralBody about which this correction is applied.
|
| CentralBodyAngularMomentumPerUnitMass |
Gets or sets a vector that describes the angular momentum per unit mass of the CentralBody. This vector is used for the
Lense-Thirring correction, and may be safely ignored if this term is not used. Two easy-to-use static helper methods for this vector exist on this class;
RouthsRuleAngularMomentumPerUnitMass(CentralBody) and ScaledAngularVelocityAngularMomentumPerUnitMass(CentralBody, Double).
|
| CentralBodyGravitationalParameter |
Gets or sets the gravitational parameter for the CentralBody.
|
| ForceVector |
Gets the Vector representation of this force.
(Inherited from ForceModel.) |
| IsFrozen |
Gets a value indicating whether this object is frozen. A frozen object cannot be modified and an
ObjectFrozenException will be thrown if an attempt is made to do so.
(Inherited from DefinitionalObject.) |
| Kind |
Gets an enumeration indicating the nature of this force and whether it implicitly
includes mass.
(Inherited from ForceModel.) |
| Role |
Gets the role that this force plays in a combined resultant force. In particular, it indicates
whether this force is dominant and easy to compute or whether it is a small perturbation that
is expensive to compute.
(Inherited from ForceModel.) |
| SolarCentralBody |
Gets or sets the CentralBody that represents the sun of the solar system where this force is used.
|
| SolarGravitationalParameter |
Gets or sets the gravitational parameter for the Sun.
|
| TargetPoint |
Gets or sets the point at which the IersTechnicalNote36RelativisticCorrectionForce is applied.
|
| UseDeSitterCorrection |
Gets or sets a value indicating whether the de Sitter correction is to be used. This defaults to
.
|
| UseLenseThirringCorrection |
Gets or sets a value indicating whether the Lense-Thirring correction is to be used. This defaults to
.
|
Methods| Name | Description | |
|---|---|---|
| BuildForceEvaluator |
Build lists of principal and perturbation forces based on this model in order to create
an overall resultant force.
(Overrides ForceModelBuildForceEvaluator(ResultantForceBuilder, EvaluatorGroup).) |
| CheckForSameDefinition(DefinitionalObject) |
Checks to determine if another instance has the same definition as this instance and
returns if it does. Derived classes MUST override this method and check
all new fields introduced by the derived class for definitional equivalence. It is NOT necessary
to check base class fields because the base class will already have done that. When overriding this method,
you should NOT call the base implementation because it will return for all derived-class instances.
Derived classes should check the type of other to preserve the symmetric nature of IsSameDefinition(Object).
(Inherited from ForceModel.) |
| CheckForSameDefinition(ForceModel) |
Checks to determine if another instance has the same definition as this instance and
returns if it does. Derived classes MUST override this method and check
all new fields introduced by the derived class for definitional equivalence. It is NOT necessary
to check base class fields because the base class will already have done that. When overriding this method,
you should NOT call the base implementation because it will return for all derived-class instances.
Derived classes should check the type of other to preserve the symmetric nature of IsSameDefinition(Object).
(Overrides ForceModelCheckForSameDefinition(ForceModel).) |
| CheckForSameDefinition(IersTechnicalNote36RelativisticCorrectionForce) |
Checks to determine if another instance has the same definition as this instance and
returns if it does. Derived classes MUST override this method and check
all new fields introduced by the derived class for definitional equivalence. It is NOT necessary
to check base class fields because the base class will already have done that. When overriding this method,
you should NOT call the base implementation because it will return for all derived-class instances.
Derived classes should check the type of other to preserve the symmetric nature of IsSameDefinition(Object).
|
| Clone |
Clones this object using the specified context.
(Overrides DefinitionalObjectClone(CopyContext).) |
| ComputeCurrentDefinitionHashCode |
Computes a hash code based on the current properties of this object. Derived classes MUST override this
method and compute a hash code that combines: a unique hash code seed, the base implementation result, and
the hash codes of all new fields introduced by the derived class which are used in the
CheckForSameDefinition(DefinitionalObject) method.
(Overrides ForceModelComputeCurrentDefinitionHashCode.) |
| EnumerateDependencies |
Enumerates the dependencies of this object by calling
EnumerateT(T) for each object that this object directly depends upon.
Derived classes which contain additional dependencies MUST override this method, call the base
implementation, and enumerate dependencies introduced by the derived class.
(Overrides ForceModelEnumerateDependencies(DependencyEnumerator).) |
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| Freeze |
Freezes this object. Further attempts to modify it will result
in an ObjectFrozenException.
(Inherited from DefinitionalObject.) |
| FreezeAggregatedObjects |
Called by Freeze to also freeze any objects that are considered to be a part of this object.
Derived classes which contain additional aggregated objects MUST override this method, call the base
implementation, and freeze aggregated objects introduced by the derived class. The objects that need to be
frozen in this method are frequently created in this object's constructor and are not settable via
properties.
(Inherited from ForceModel.) |
| GetDefinitionHashCode |
Gets a hash code representing the definition of this object.
(Inherited from DefinitionalObject.) |
| GetForceEvaluator |
Gets an instance of an evaluator that can compute the force.
(Inherited from ForceModel.) |
| GetForceEvaluator(EvaluatorGroup) |
Gets an instance of an evaluator that can compute the force.
(Inherited from ForceModel.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| IsSameDefinition |
Determines if this object has the same definition as another object.
(Inherited from DefinitionalObject.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
 | RouthsRuleAngularMomentumPerUnitMass |
A static helper method that computes a CentralBodyAngularMomentumPerUnitMass vector for the input centralBody. This method uses Routh's rule for an ellipsoid
coupled with the angular velocity vector computed between the fixed and inertial frames defined on the centralBody.
|
| ScaledAngularVelocityAngularMomentumPerUnitMass |
A static helper method that computes a CentralBodyAngularMomentumPerUnitMass vector for the input centralBody. This method computes the rotational velocity between
the central body's
fixed and inertial frames. This vector is then normalized and the magnitude is set to the input scale factor. An appropriate scale factor for the Earth, for example, would be 9.8e8 m^2/s as was cited
in "IERS Conventions (2010)".
|
| ThrowIfFrozen |
Throws ObjectFrozenException if this object IsFrozen.
This method should be called from any method or property that modifies this object.
(Inherited from DefinitionalObject.) |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
See Also