| Year | Links | Reference |
|---|---|---|
| 2005 | Paper RIS | Matthew M. Berry and Liam M. Healy: "Speed and Accuracy Tests of the Variable-Step Störmer-Cowell Integrator", Paper AAS 05-172, Astrodynamics 2005, Advances in the Astronautical Sciences, vol. 120, pp. 1167-1182. |
| 2004 | Paper RIS | Matthew M. Berry and Liam M. Healy: "Implementation of Gauss-Jackson Integration for Orbit Propagation," Journal of the Astronautical Sciences, Volume 52, Number 3. July-September, pp. 331--357, 2004. |
| 2004 | None yet | Liam M. Healy and Keith A. Akins: "Effects of solar activity level on orbit prediction using MSIS and Jacchia density models," Paper AIAA 2004-4977, AIAA/AAS Astrodynamics Specialist Conference, Providence RI, August 16--19, 2004. |
| 2004 | Paper RIS | Matthew M. Berry and Liam M. Healy: "A Variable-Step Double-Integration Multi-Step Integrator", Paper AAS 04-238, Spaceflight Mechanics 2004, Advances in the Astronautical Sciences, Volume 119, pp. 2097-2116. |
| 2003 | Paper RIS | Liam M. Healy: "Orbit propagation with Lie transfer maps in the perturbed Kepler problem," Celestial Mechanics and Dynamical Astronomy, Volume 85, Number 2, pp. 175--207, 2003. |
| 2003 | Paper RIS | Liam M. Healy: "Student Projects for Space Navigation and Guidance," Paper AAS 03-500, Astrodynamics 2003, Advances in the Astronautical Sciences, Volume 116, pp. 3-20. |
| 2003 | Paper RIS | Matthew M. Berry and Liam M. Healy: "Accuracy and Speed Effects of Variable Step Integration for Orbit Determination and Propagation", Paper AAS 03-664, Astrodynamics 2003, Advances in the Astronautical Sciences, Volume 116, pp. 2553-2566. |
| 2003 | None yet | Keith A. Akins, Liam M. Healy and David B. Spencer: "Localized Atmospheric Density Model Validation Using High Eccentricity Satellite Observations", Paper AAS 03-628, Astrodynamics 2003, Advances in the Astronautical Sciences, Volume 116, pp. 1997-2016. |
| 2003 | Paper, RIS | Matt Berry and Liam Healy: "Comparison of Accuracy Assessment Techniques for Numerical Integration", Paper AAS 03-171, Spaceflight Mechanics 2003, Advances in the Astronautical Sciences, Volume 114, pp. 1003-1016. |
| 2003 | Paper RIS | Keith A. Akins, Liam M. Healy, Shannon L. Coffey and J. Michael Picone, "Comparison of MSIS and Jacchia Atmospheric Density Models for Orbit Determination and Propagation," Paper AAS 03-165, Spaceflight Mechanics 2003, Advances in the Astronautical Sciences, Volume 114, pp. 951-970. |
| 2002 | Paper, RIS | Matthew M. Berry and Liam M. Healy: "The Generalized Sundman Transformation for Propagation of High-Eccentricity Elliptical Orbits," Spaceflight Mechanics 2002, Advances in the Astronautical Sciences, Volume 112, pp. 127-146. |
| 2001 | RIS | Matthew M. Berry and Liam M. Healy: "Implementation of Gauss-Jackson Integration for Orbit Propagation", Paper AAS 01-426, Astrodynamics 2001, Advances in the Astronautical Sciences, Volume 109, pp. 1805-1824. This paper has been superseded by the 2004 publication in the Journal of the Astronautical Sciences; see above. |
| 2001 | None yet | Liam M. Healy: "Computation of Lie transfer maps for perturbed Hamiltonian systems," Journal of Mathematical Physics, Volume 42, Number 2, pp. 698-712, 2001. |
| 2000 | Paper, RIS | Liam M. Healy: "The Main Problem in Satellite Theory Revisited," Celestial Mechanics and Dynamical Astronomy, Volume 76, Number 2, pp. 79--120, 2000. |
| 1999 | Paper | Alex J. Dragt, Robert D. Ryne, David R. Douglas, Filippo Neri, C. Thomas Mottershead, Etienne Forest, Liam M. Healy, Petra Schuett, Johannes van Zeijts: MARYLIE 3.0 User's Manual, A Program for Charged Particle Beam Transport Based on Lie Algebraic Methods, technical report of the University of Maryland, February 1999. |
| 1998 | Paper, RIS | Liam Healy and Jeff Travisano: "Automatic rendering of astrodynamics expressions for efficient evaluation," Journal of the Astronautical Sciences, Volume 46, Number 1. January-March, pp. 65--81, 1998. |
| 1996 | None | Shannon Coffey, Liam Healy, and Harold Neal: "Applications of Parallel Processing to Astrodynamics," Celestial Mechanics and Dynamical Astronomy, Vol. 66, pp. 61--70, 1996-1997. |
| 1996 | Paper, RIS | Liam M. Healy: "Symbolic and Parallel Computation in Celestial Mechanics," in Applications on Advanced Architecture Computers, Greg Astfalk, ed., SIAM, pp. 93--100, 1996. |
| 1995 | Paper, RIS | Liam M. Healy: "Close Conjunction Detection on Parallel Computer," Journal of Guidance, Control and Dynamics, Vol. 18, pp 824--829, 1995. |
| 1993 | Paper, RIS | L.M. Healy and S. L. Coffey: "Deterministic studies of debris hazards with parallel processors" Proceedings of the First European Conference on Space Debris, Darmstadt, Germany, 5--7 April 1993 (European Space Agency SD-01). |
| 1992 | Paper, RIS | Liam M. Healy, Alex J. Dragt and Ivan Gjaja: "Computation of error effects in nonlinear Hamiltonian systems using Lie algebraic methods," J. Mathematical Physics, Vol. 33, pp. 1948--1963, 1992. |
| 1991 | Paper, RIS | Shannon Coffey, André Deprit, Etienne Deprit, Liam Healy, and Bruce Miller: "A Toolbox for Nonlinear Dynamics" in Kenneth R. Meyer, Dieter S. Schmidt, Eds., Computer-Aided Proofs in Analysis, The IMA Volumes in Mathematics and its Applications, Vol. 28, Springer-Verlag, pp. 97--115, 1991. |
| 1991 | Paper, RIS | Liam Healy and Etienne Deprit: "Paint by number: Uncovering phase flows of an integrable dynamical system," Computers in Physics, Volume 5, Issue 5, pp. 491-496 |
| 1990 | Paper, RIS | Shannon Coffey, André Deprit, Etienne Deprit, and Liam Healy: "The Phase Space Portrait of an Integrable Dynamical System," Science, Volume 247, pp. 833--836, February 16, 1990. Includes cover image. |
Links to papers under
http://hdl.handle.netare permanent and may be placed in published citations.