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Magnetic forces between two axially magnetized cylinders. Case 2: Cylinder axes are parallel

magnetic forces, magnetic attraction and repelling, , magnetized cylinder interaction

Problem type:
Axisymmetric problem of DC magnetics

Geometry:
Cylinders' axes are parallel Magnetic forces between two axially magnetized cylinders Permanent magnet Hc dX X Y Z

dx = 2 cm.

Given:
Cylinder diameter D = 1 cm,
Cylinder height H = 4 cm,
Permanent magnet relative permeability μ = 1.05,
Permanent magnet coercive force Hc = 1 000 000 A/m.

Task:
Calculate the magnetic force between cylinders.

Solution:
The problem geometry is 3D and we cannot directly use QuickField. But the resulting field may be decomposed into the individual fields generated by each cylinder. The free tool Cylinder PM force 3D allows the magnetic force calculation using the automatic summation of several axisymmetrical DC magnetic fields, simulated by QuickField.

Results:

Case 2: Cylinder axes are parallel.

Fx Fy Fz
Cylinder PM force 3D tool 3.4 N 9e-16 N -0.14 N
Reference (ANSYS 3D) 2.9 N 0.04 N -0.13 N
  • Download simulation files (files may be viewed using any QuickField Edition).
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