Dear Prathyusha,

I came across a conference paper entitled "Analytical Calculation of the Interactions between two Cylinder-shaped Magnets" by Hicham Allag, Jean-Paul Yonnet, and Benoit Delinchant. The title does not specify whether the cylindrical magnets are identical or not. Perhaps, you could ask the authors to send you the full-text. I know this group; they have very strong expertise in this field.

https://www.researchgate.net/publication/281075547_Analytical_Calculation_of_the_Interactions_between_two_Cylinder-shaped_Magnets

Article Analytical Calculation of the Interactions between two Cylin...

Hello Mikhail,

Thank you very much. The suggested paper is really helpful.

I have worked with a very similar problem, in computing torque in reluctance motors and generators. I compute the energy stored in the field, By integrating 1/2*B*H over the near volume, then assume a small displacement, and recompute. The change in energy divided by distance of the displacement, is force.

B represents magnetic flux density in Tesla

H represents magnetic field strength in Ampere turns per meter.

Hello:

Thank you very much. It's very much informative.