Solving Simple Magnet Circuit Problem - LtSnikch

  • Thread starter Thread starter LtSnikch
  • Start date Start date
  • Tags Tags
    Circuit Magnet
Click For Summary
SUMMARY

The discussion centers on calculating the attraction force between a permanent L-shaped magnet (with a magnetic field strength of 0.5 Tesla) and a conducting metal placed in its gap. The user, LtSnikch, seeks a formula to derive this force based on the gap size. However, it is established that solutions exist primarily for simple geometries, such as parallel plates, and for more complex shapes, the use of simulation software like Maxwell 3D is necessary to obtain accurate results.

PREREQUISITES
  • Understanding of magnetic fields and forces
  • Familiarity with Coulomb's Law
  • Knowledge of Maxwell's equations
  • Experience with electromagnetic simulation software
NEXT STEPS
  • Research how to use Maxwell 3D for electromagnetic simulations
  • Study the principles of magnetic force calculations for complex geometries
  • Explore the limitations of analytical solutions in electromagnetism
  • Learn about the applications of finite element analysis in magnetics
USEFUL FOR

Electrical engineers, physics students, and professionals involved in magnetic field analysis and electromagnetic design will benefit from this discussion.

LtSnikch
Messages
1
Reaction score
0
Hello everyone,

as you may notice I am new to this forum. Unfortunately I've been stuck on a small problem for a few days and I can't seem to find the solution.

It appears to be a simple problem so I am hoping that someone here, with a bit more electrical engineering background as myself might be able to help out.

I have a permanent magnet in an L-shape (take B = 0.5 Tesla in order to avoid saturation), with the n-pole on the one end and the s-pole on the other. The idea now is to make this into a square circuit by moving a conducting metal into the gap.

My question here is: How can I derive the attraction force which is acted on the metal by the magnet from the gapsize between them.

The dimensions are still unknown but I just need help with the formula's. Been looking at Coulomb's and Maxwell's for too long without seeing the solution. Any help would be thankfull.

Greetings,
LtSnikch
 
Engineering news on Phys.org
That is a notoriously difficult problem. Solutions exist only for the simplest cases such as parallel plates. For an arbitrary shape, you'll never find a formula. You'll have to use a software package like Maxwell 3D instead.
 

Similar threads

  • · Replies 11 ·
Replies
11
Views
974
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 11 ·
Replies
11
Views
2K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 19 ·
Replies
19
Views
2K
  • · Replies 16 ·
Replies
16
Views
5K
Replies
12
Views
3K
Replies
3
Views
2K
  • · Replies 4 ·
Replies
4
Views
3K
Replies
10
Views
6K