Analytical Calculation of the Interactions between two Cylinder-shaped Magnets

Hicham Allag (1, 2) , Jean-Paul Yonnet (1) , Benoît Delinchant (1)

1 G2ELab - Laboratoire de Génie Electrique de Grenoble
2 Université de Constantine. Labo LEC

Analytical calculation of interaction forces between two cylindrical magnets is a difficult problem. Solutions can be obtained by elliptic integrals or by numerical computation. Thanks to the development of the analytical calculation for parallelepiped magnets (interaction energy, force and torque), the calculation of the force component between two cylinders can be obtained in analytical form by decomposition in a finite number of elements. This type of calculation allows the calculation of many systems that uses the forces of interaction between cylinder magnets. For example it can be used to directly calculate the force exerted in permanent magnet bearings in non-centred position.

Domaines: Energie électrique

Hicham Allag, Jean-Paul Yonnet, Benoît Delinchant. Analytical Calculation of the Interactions between two Cylinder-shaped Magnets. COMPUMAG 2009, Nov 2009, Florianopolis, Brazil. pp 574-575. ⟨hal-00440324⟩