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Magnetoelastic coupling and Rayleigh damping

A. Belahcen (Laboratory of Electromechanics, Helsinki University of Technology, Finland)


This paper presents a magnetoelastic dynamic FE model. As first approach, the effect of magnetostriction and strong coupling is not considered. The effect of Rayleigh damping factors on the vibrational behaviour of the stator core of a synchronous generator is studied using the presented model. It shows that the static approach is not accurate enough and the difference between calculations with damped and undamped cases is too important to be ignored. However, the difference between damped cases with reasonable damping is not very important.



Belahcen, A. (2004), "Magnetoelastic coupling and Rayleigh damping", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 23 No. 3, pp. 647-654.



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Copyright © 2004, Emerald Group Publishing Limited

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