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The deformation due to magnetic forces and magnetostriction can be computed on the basis of the magnetoelastic equations derived in previous papers. This paper focusses on two aspects of this computation method, viz the magnetic couple density, which can be represented by equivalent volume and surface force densities, and magnetoelastic interactions, i.e. the interaction between the magnetic and elastic...
A method is proposed to calculate the vibrations of magnetised electrical steel due to magnetic forces and magnetostriction. As an example, calculations have been carried out on two-pole and four-pole induction machines (IMs) with no load. If only the main components of the vibrations are considered, analysis of the results reveals that, in the case of the two-pole IM, the contributions of the magnetic...
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