June 9, 2019
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Dynamic coupling on the design of space structures

Publicated to: AEROSPACE SCIENCE AND TECHNOLOGY. 84 1035-1048 - 2019-01-01 84(), DOI: 10.1016/j.ast.2018.11.045

Authors:

García-Pérez, A; Sanz-Andrés, A; Alonso, G; Manguán, MC
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Affiliations

Univ Politecn Madrid, ETSIAE, Inst Univ Microgravedad Ignacio Da Riva IDR UPM, Pza Cardenal Cisneros 3, E-28040 Madrid, Spain - Author
Univ Politecn Madrid, ETSIAE, Pza Cardenal Cisneros 3, E-28040 Madrid, Spain - Author

Abstract

For the design of space structures, the dynamic coupling between equipment and the satellite (or between a satellite and the launcher) is usually avoided due to negative effects like high stresses produced by structural resonance. The usual procedure to assure the dynamic decoupling is by limiting the minimum value of natural frequency of the secondary structure to a value high enough above the main natural frequencies of the main structure. However, in some spacecraft configurations, it is unavoidable that some parts or equipment present natural frequencies close to the main natural frequencies of the spacecraft because these parts may be massive or may have a special interface design with low stiffness. This dynamic coupling provokes modifications on the modal behavior of the satellite, which can lead to a significant decrease in the first natural frequency of the entire satellite. To analyze this phenomenon, a representative but simple mathematical model is studied to evaluate the influence of the design parameters of space structures. Analytical expressions are obtained that can help to highlight the influence of the parameters. The results are demonstrated with the example of the UPMSat-2 satellite design. (C) 2018 Elsevier Masson SAS. All rights reserved.
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Keywords

2-dofDynamic couplingModal analysisNatural frequencySatellitesSpace structuresTuned mass damperUpmsat-2Vibration control

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal AEROSPACE SCIENCE AND TECHNOLOGY due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2019, it was in position 2/31, thus managing to position itself as a Q1 (Primer Cuartil), in the category Engineering, Aerospace. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 1.57. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 13, 2025)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 1.3 (source consulted: FECYT Mar 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2026-04-28, the following number of citations:

  • WoS: 21
  • Scopus: 24
  • Google Scholar: 30
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-28:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 22 (PlumX).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/86622/

As a result of the publication of the work in the institutional repository, statistical usage data has been obtained that reflects its impact. In terms of dissemination, we can state that, as of

  • Views: 337
  • Downloads: 1,077
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Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (Garcia Perez, Andres) and Last Author (CHIMENO MANGUAN, MARCOS).

the author responsible for correspondence tasks has been Garcia Perez, Andres.

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Awards linked to the item

This work has been partially funded by the Spanish Ministerio de Economia, Industria y Competitividad through project ESP2015-65064-C2-2-P.
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