Evaluation of Spacecraft Composite Structure Load-Carrying Capability by Shock Test

— The problem of evaluating the load-carrying capability of composite structures of spacecraft has been considered in this paper. It has been shown that traditional methods of determining the load-carrying capability of structures are applicable only to a limited extent in this case: only for the el...

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Bibliographic Details
Published inSolar system research Vol. 55; no. 7; pp. 709 - 716
Main Authors Demenko, O. G., Birukov, A. S., Zverev, M. A.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.12.2021
Subjects
Astronomy
Astrophysics and Astroparticles
Astrophysics and Cosmology
Observations and Techniques
Physics
Physics and Astronomy
Planetology
composite material
natural frequency
natural mode
load-carrying capability
spacecraft structure inspection test
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Summary:— The problem of evaluating the load-carrying capability of composite structures of spacecraft has been considered in this paper. It has been shown that traditional methods of determining the load-carrying capability of structures are applicable only to a limited extent in this case: only for the elements within an integrated structure. The coincidence of the calculated and observed values of the lower tones of natural frequencies has been proposed as an additional indicator of the load-carrying capability of a composite structure. The sufficiency of this approach for the autonomous assessment of the load-carrying capability of the elements of composite structures during the incoming inspection and the technical feasibility of its implementation have been substantiated.
ISSN:0038-0946
1608-3423
DOI:10.1134/S0038094621070054