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A Preliminary Methodology to Account for Satellites’ Structural Dynamics Variability in Microvibrations

De Lellis, Salvatore, Stabile, Alessandro and Aglietti, Guglielmo (2018) A Preliminary Methodology to Account for Satellites’ Structural Dynamics Variability in Microvibrations In: 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 8 - 12 January 2018, Kissimmee, Florida.

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Abstract

Due to constantly increasing requirements for more precise and high-resolution instrumentations, microvibration prediction represents an issue of growing importance. Hence the need of reliable analysis tools which can evaluate microvibrations effects efficiently. This paper describes how to tackle the issue of structural uncertainties in microvibration predictions. In particular, uncertainties related to the microvibration sources are analysed as well as those linked to the modelling of the structure. A methodology to define the worst case of vibration produced by on board sources is presented and compared to experimental data. Additionally, an approach to quantify the uncertainties in the Finite Element model is also described.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
De Lellis, Salvatores.delellis@surrey.ac.uk
Stabile, Alessandroa.stabile@surrey.ac.uk
Aglietti, Guglielmog.aglietti@surrey.ac.uk
Date : 2018
Copyright Disclaimer : Copyright AIAA 2018
Depositing User : Melanie Hughes
Date Deposited : 27 Jul 2018 10:27
Last Modified : 27 Jul 2018 10:27
URI: http://epubs.surrey.ac.uk/id/eprint/848798

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