Determination of the dynamic characteristics of an elastic spacecraft on the basis of modal tests

Details Determination of the dynamic characteristics of an elastic spacecraft on the basis of modal tests Determination of the dynamic characteristics of an elastic spacecraft on the basis of modal tests

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992kosis..30...25a&link_type=abstract

Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 30, no. 1, Jan.-Feb. 1992, p. 25-37. In Russian.

Physics

Dynamic Characteristics, Elastic Damping, Modal Response, Spacecraft Motion, Vibration Mode, Aeroelasticity, Large Space Structures, Resonant Frequencies, Tethered Satellites, Vibration Tests

Scientific paper

The paper derives the equations of the vibrations of a spacecraft consisting of a rigid body with attached elastic elements under modal testing. The structure is suspended by cables and springs. Approximate analytical relationships are given which can be used to evaluate the effect of suspension-system forces on the natural vibration frequencies. An example of determining the vibration equations for a free-free spacecraft is presented.

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