How to calculate magnetic force across an air gap in a magnetic circuit with permanent magnet? | ResearchGate
![Pull force / magnetic force calculation between two disc magnets (Neodymium disc magnet, Samarium disc magnet, Alnico disc magnet, ferrite disc magnet) Pull force / magnetic force calculation between two disc magnets (Neodymium disc magnet, Samarium disc magnet, Alnico disc magnet, ferrite disc magnet)](http://www.cy-magnetics.com/two-disk-Attraction.png)
Pull force / magnetic force calculation between two disc magnets (Neodymium disc magnet, Samarium disc magnet, Alnico disc magnet, ferrite disc magnet)
![Pull force / magnetic force Calculation between a disc magnet (NdFeB disc magnet, SmCo disc magnet, Alnico disc magnet, ferrite disc magnet) and an iron plate Pull force / magnetic force Calculation between a disc magnet (NdFeB disc magnet, SmCo disc magnet, Alnico disc magnet, ferrite disc magnet) and an iron plate](http://www.cy-magnetics.com/Diskplatte.png)