Nonlinear Dynamics for Space Systems

The tasks included in this research are: a) development of efficient computational strategies for predicting the transient response and internal loads of large spacecraft subjected to impact loads (e.g., docking forces), simulating the response of articulated dynamical systems, and evaluating the sensitivity of the dynamic response of large actively controlled spacecraft to variations in geometric and material parameters, as well as to actuator/sensor locations; and b) development of model reduction techniques for use in control/structural interaction problems of large spacecraft. The articulated dynamical systems considered are flexible multi-body systems that include deployable space structures, space robots and manipulators. An attempt is made to exploit the major characteristics of high-performance computers in the strategies developed.