how to calculate the magnetic force between a permanent magnet and a magnetic field?
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I need to calculate force between Permanent magnet (NdFeb) and electromagnet for different voltages(5-24). They are 5 mm apart in the device.
Currently I had measure the Magnetic field for Permanent magnet in terms of Magnetic Fled Vs Distance (197 mT at 5 mm) and for electromagnet in terms on Magnetic Field Vs Voltage (134 mT for 12V at contact).
Currently I had measure the Magnetic field for Permanent magnet in terms of Magnetic Fled Vs Distance (197 mT at 5 mm) and for electromagnet in terms on Magnetic Field Vs Voltage (134 mT for 12V at contact).
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HERE IS THE ANSWER ✌
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Magnetic force between permanent magnets is calculated by the use of simple models of magnetic dipoles or coupled volume and surface currents.
The derived integral formulae allow effective programming and calculation by MATLAB. The computation time is acceptable.
The uniform magnatisation was supposed and the agreement between theory and experiment is good from technical point of view.
Model also calculates correctly effects that are difficult to measure. Therefore, it will be a usefull mean in the design of modern apparatus.
The agreement with experiment can be further improved by the model refinement, using the correct space distribution of magnetisation. However, it needs to accelerate the computation, by the use of a cluster, for instance.
✅✅✅✅✅
________________
HOPE IT WILL HELP YOU ☺
HERE IS THE ANSWER ✌
___________________
⬇⬇⬇⬇⬇
Magnetic force between permanent magnets is calculated by the use of simple models of magnetic dipoles or coupled volume and surface currents.
The derived integral formulae allow effective programming and calculation by MATLAB. The computation time is acceptable.
The uniform magnatisation was supposed and the agreement between theory and experiment is good from technical point of view.
Model also calculates correctly effects that are difficult to measure. Therefore, it will be a usefull mean in the design of modern apparatus.
The agreement with experiment can be further improved by the model refinement, using the correct space distribution of magnetisation. However, it needs to accelerate the computation, by the use of a cluster, for instance.
✅✅✅✅✅
________________
HOPE IT WILL HELP YOU ☺
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