Seminar on Modelling the behaviour of church bells

Seminar on Modelling the behaviour of church bells

A CADR seminar by Piotr Brzeski was held on 10th March at School of Engineering

As a part of CADR seminar series, a seminar on 'Modelling the behaviour of church bells using experimentally validated hybrid dynamical model' was held at Engineering Seminar Room (FNB 185). The talk was by Piotr Brzeski, PhD student at Lodz University of Technology in Lodz, Poland. 

Piotr Brzeski explained about his research: 'We investigate the dynamics of the yoke-bell-clapper impacting system using  a novel hybrid dynamical model. The model is verified experimentally by comparing the results of numerical simulations with experimental data obtained from the biggest bell in the Cathedral Basilica of St Stanislaus Kostka, Lodz, Poland. After validation of proposed model we  show a plethora of different dynamical behaviours that can be observed in the considered system. We indicate the solutions that can be considered as a proper working regimes of the instrument and describe how to obtain them. Detailed bifurcation analysis allow us to present how the design of the yoke and propulsion mechanism influence the response of the system. We show how to increase the chance that the instrument will work properly regardless of small changes of influencing parameters. Presented results prove the feasibility of the presented model and demonstrate the importance of nonlinear analysis in practical engineering application.'

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