The Dynamics of a Ringing Church Bell | Zendy

J. Woodhouse | Zendy; Jonatan Rene | Zendy; Collinson Hall | Zendy; Lise Smith | Zendy; F. H. King | Zendy; J. W. McClenahan | Zendy

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The Dynamics of a Ringing Church Bell

Author(s) -

J. Woodhouse,

Jonatan Rene,

Collinson Hall,

Lise Smith,

F. H. King,

J. W. McClenahan

Publication year - 2012

Publication title -

advances in acoustics and vibration

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.237

H-Index - 14

eISSN - 1687-627X

pISSN - 1687-6261

DOI - 10.1155/2012/681787

Subject(s) - ringing , vibration , hammer , impulse (physics) , engineering , amplitude , structural engineering , physics , acoustics , electrical engineering , classical mechanics , optics , filter (signal processing)

Church bell ringing as practised in the UK involves large-amplitude motions of both bell and clapper. A simulation model is developed and validated against experimental measurements. It is shown that the clapper does not hit the bell with a single impact but a long series of bounces, and this has important consequences for the decay profile of the bell vibration. Information relevant to bell-ringers and bell-hangers is collected in a series of design charts derived from the simulation model. These charts can assist in the diagnosis and correction of faults. Arising from the analysis of the bouncing clapper, a more general result is also presented relating to the frequency bandwidth when any structure is excited by a small bouncing impactor, for example an impulse hammer used in vibration testing

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