Publications

Study of free-free beam structural dynamics perturbations due to mounted cable harnesses

Goodding, James C.; Babuska, Vit B.; Griffith, Daniel G.; Ingram, Brea R.; Robertson, Lawrence M.

Signal and power harnesses on spacecraft buses and payloads can alter structural dynamics, as has been noted in previous flight programs. The community, however, has never undertaken a thorough study to understand the impact of harness dynamics on spacecraft structures. The Air Force Research Laboratory is leading a test and analysis program to develop fundamental knowledge of how spacecraft harnesses impact dynamics and develop tools that structural designers could use to achieve accurate predictions of cable-dressed structures. The work described in this paper involved a beam under simulated free boundary conditions that served as a validation test bed for model development.