Component replacement transfer path analysis

Meggitt, JWR ORCID: https://orcid.org/0000-0002-6665-2939, Elliott, AS ORCID: https://orcid.org/0000-0003-4894-0053, Moorhouse, AT ORCID: https://orcid.org/0000-0002-4034-1091, Jalibert, A and Franks, G 2020, Component replacement transfer path analysis , in: International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) 2020, 7th-9th September 2020, Leuven, Belgium.

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Abstract

In-situ Transfer Path Analysis (TPA) is a diagnostic method used to analyse the propagation of noise and vibration through complex built-up structures. Its defining feature is the independent characterisation of an assembly's vibratory source in terms of its blocked force, an invariant property that is unchanged by the dynamics of neighbouring components. This invariance enables downstream structural modifications to be made to an assembly, without affecting the source's operational characteristics. Modifications made upstream of the defined source-receiver interface, however, are prohibited, as they would lead to a change in the blocked force. Note that the source-receiver interface is somewhat arbitrary, and typically chosen for convenience rather than to satisfy some physical distinction (e.g. resilient mounts are often included as part of a source definition). To this end, in the present paper we are interested in computing the modification of a 'source' given the replacement of one of its constituent components (e.g. installing new resilient mounts).

Item Type: Conference or Workshop Item (Paper)
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Proceedings of international conference on noise and vibration engineering (ISMA2020) / international conference on Uncertainty in Structural Dynamics (USD2020)
Publisher: Katholieke Universiteit Leuven, Dept Werktuigkunde
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Funders: Engineering and Physical Sciences Research Council (EPSRC)
Depositing User: USIR Admin
Date Deposited: 10 Jun 2021 07:08
Last Modified: 27 Aug 2021 21:54
URI: http://usir.salford.ac.uk/id/eprint/60916

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