Table of Contents

Name

henyey - search for periodic orbits in a potential (Henyey’s method)

Synopsis

henyey [parameter=value]

Description

henyey compute periodic orbits using the Henyey method of searching for periodic solutions of a system of differential equations in an (optionally rotating) 2D potential.

The method has been used first by T.S. v. Albada & R.H. Sanders (1982) MNRAS, 201, 303. For more details see also: Henyey (1964) ApJ 139, 309

Note: this program is under construction, and should not be used without consultation with the author

Parameters

The following parameters are recognized in any order if the keyword is also given:
x0=
Initial x coordinate
y0=
Initial y coordinate
u0=
Initial u velocity
v0=
Initial v velocity
per=
Period
type=
Type of orbit {1,2,3}
ome=
Pattern speed of potential
norbit=
Number of orbits to compute
step=
Step to increase non-zero position

See Also

perorb(1NEMO)

Author

Peter Teuben, Tjeerd van Albada

Update History


1980?          original version            TVA
1981?         Cyber7600 version - sheltran    PJT
xx-may-92    V0.0 ported to NEMO         PJT
xx-mar-03    V0.01 .. and still working ..    PJT


Table of Contents