Astronomical Applications Department, U.S. Naval Observatory - Newcomb Manual (Page 13)

Astronomical Applications Department, U.S. Naval Observatory Newcomb Manual Page 13

4.4. Ephemeris Generation.

4.1. Physical Model.

4.2. Numerical Integration Algorithms.

4.3. An Object Oriented Approach.

Chapter 4: The Integration Module

Chapter 4: Integration

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add( IntegrableObject )
destroy( name )
evolve()
IntegrableObject * get( name )

DynamicalSystem

name
local time
mass

Vector pos()
Vector vel()
String who()
void

evolve( List<IntegrableObject>)

Vector accel( IntegrableObject )

IntegrableObject

evolve()

SpinVector
HarmonicCoeffs
InertiaMoments

Spheroid

Vector direction
double

SpinVector

Vector pos()
Vector vel()

StateVector

Vector

IntegrableObject

IntegrableObject::evolve()

Accumulate

accelerations

from other

system objects

Advance one

time step

IntegrableObject

Figure 5. Integration Classes.

Association

Message Flow

Inheritance

Attributes

Operations

Object