Theoretical limits of dimensional stability for space structures

Details Theoretical limits of dimensional stability for space structures Theoretical limits of dimensional stability for space structures

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1540..229d&link_type=abstract

In: Optomechanics and dimensional stability; Proceedings of the Meeting, San Diego, CA, July 25, 26, 1991 (A93-39433 15-74), p.

Mathematics

Logic

Active Control, Dimensional Stability, Large Space Structures, Structural Vibration, Thermal Expansion, Life (Durability), Nasa Space Programs, Structural Stability, Technological Forecasting, Trusses

Scientific paper

Future NASA missions such as the Great Observatories of the 21st Century, will require high dimensional stability (i.e., the system's ability to retain geometrical properties related to the system's performance) which will have to be maintained with micron to nanometer accuracy over the 5 to 10 years of mission lifetime. This paper examines the thermodynamic and other mechanisms which limit the dimensional stability of a space system. It is shown that the space system's performance will be limited below 0.1 per million dimensional stability.

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