Applications of passive damping to large space structures using viscous fluid damping elements are discussed. A heritage space qualified isolation system is described in which a similar damping element was used. A potential manifestation of the concept which could be used as the basic building block for large space trusses is described and a design process for obtaining optimum dynamic performance is outlined. Numerical estimates of the performance achievable in a large Space Station-type truss predict dramatic reductions in settling times. Another manifestation suitable for providing local or supplemental damping is described, design optimization techniques are discussed, and a proposed satellite application is presented. In this example a significant decrease in launch vibration loading without modifying the structural dynamics appears feasible.
Very high damping in large space structures
Sehr hohe Daempfung in grossen Raumstrukturen
1987
5 Seiten, 10 Bilder
Conference paper
English
Passive Damping of Large Space Structures
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