The dynamics of coupled structures possessing inhomogeneous attachments
The dynamics of coupled structures possessing inhomogeneous attachments
Structures with hydraulic pipes and cable bundles attached to them are commonly found in engineering, therefore it is of interest to determine the effects of such attachments on the dynamics of the host structures and quantify them. Moreover, manufacturing processes often lead to deviations from the original design. One way to take these deviations into account is to consider small variations in the mechanical properties and/or geometry of the structures. This paper models the attachments as slowly varying inhomogeneous beams and uses the WKB (Wentzel, Kramers and Brillouin) approximation and wave propagation to derive the input and transfer mobilities of said beams. The properties of the beam are described as a random field and are expressed using the Karhunen-Loève expansion. Once the mobilities are known, a mobility approach can be used to couple the attachments to a host structure. Rigid connections are considered along with variations of the spacing between the attachments.
1264-1269
Souza, Marcos, Ricardo
c76b43db-74a1-43dc-ae25-79530d88d089
Ferguson, Neil
8cb67e30-48e2-491c-9390-d444fa786ac8
Souza, Marcos, Ricardo
c76b43db-74a1-43dc-ae25-79530d88d089
Ferguson, Neil
8cb67e30-48e2-491c-9390-d444fa786ac8
Souza, Marcos, Ricardo and Ferguson, Neil
(2017)
The dynamics of coupled structures possessing inhomogeneous attachments.
Procedia Engineering, 199, .
(doi:10.1016/j.proeng.2017.09.271).
Abstract
Structures with hydraulic pipes and cable bundles attached to them are commonly found in engineering, therefore it is of interest to determine the effects of such attachments on the dynamics of the host structures and quantify them. Moreover, manufacturing processes often lead to deviations from the original design. One way to take these deviations into account is to consider small variations in the mechanical properties and/or geometry of the structures. This paper models the attachments as slowly varying inhomogeneous beams and uses the WKB (Wentzel, Kramers and Brillouin) approximation and wave propagation to derive the input and transfer mobilities of said beams. The properties of the beam are described as a random field and are expressed using the Karhunen-Loève expansion. Once the mobilities are known, a mobility approach can be used to couple the attachments to a host structure. Rigid connections are considered along with variations of the spacing between the attachments.
Text
The dynamics of coupled structures possessing inhomogeneous attachments - EURODYN2017_corrigido
More information
e-pub ahead of print date: 12 September 2017
Venue - Dates:
EURODYN 2017: X International Conference on Structural Dynamics, , Rome, Italy, 2017-09-10 - 2017-09-13
Identifiers
Local EPrints ID: 412675
URI: http://eprints.soton.ac.uk/id/eprint/412675
PURE UUID: f7290e80-eb3d-414a-bb3b-fdd96d5d73ec
Catalogue record
Date deposited: 25 Jul 2017 16:31
Last modified: 16 Mar 2024 05:55
Export record
Altmetrics
Contributors
Author:
Marcos, Ricardo Souza
Download statistics
Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.
View more statistics
