Fig. 2.

COMSOL Multiphysics® modeling of the magnetic coupling of the MOAB. Geometry of the COMSOL Multiphysics® models for the three chambers of the MOAB. Left: Enlargement of a single couple of magnets and geometry of the exposure zone. Right: To visualize the distribution of the intensity of the static magnetic field, we assumed an air-made cylinder with two coupled neodymium-based ring magnets in the isocenter (axial-symmetric model) or six coupled neodymium-based ring magnets (two in the isocenter and four 16 mm far, 3D complete model)