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Miscellaneous Applications
Simulating Multiple Moving Parts of a Magnetic Gear
This example shows a nonlinear transient problem, which was solved by MagNet's Transient 3D solver. This device is number 24 in the TEAM series of benchmark problems, and published experimental measurements are available for comparison. The problem was designed to be similar to a switched reluctance machine.
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Simulating Multiple Moving Parts of a Magnetic Gear
This example shows simulations of a magnetic gear system and it's performance. In this example, the magnetic planetary gear assembly is analogous to an equivalent mechanical system, with the inner rotor acting as the sun gear, the outer rotor as the ring gear, and the stationary steel pole pieces acting as planetary gears (it is the magnetic field that spins, not the pole pieces themselves). There are 2 pole pairs on the inner rotor and 5 pole pairs on the outer rotor, making the gear ratio of this assembly 2.5:1. The model is shown here.
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Demonstrating a variation of the MagLev suspension system
The performance of this machine is simulated using MagNet's Transient 3d with Motion solver. The vehicle, consisting of the aluminum channel with payload, is given six degrees of freedom so that it is free to rotate about the roll, pitch and yaw axes and so that it is also free to move in all three dimensions (up-down, left-right, forward-backward). The vehicle is initially resting on supports 1 cm above the track, which is 0.5 cm below its equilibrium position when the track is energized.
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TEAM Workshop Problem 25 – Optimization of Die Press Model
A large electromagnet that can set up a strong magnetic field is used to orient the magnetic powder in a component. The orientation and strength of the magnetic field should be controlled in order to obtain the required magnetization, in the component that is being magnetized. In this device, the objective is to find the size of the inner die mold and the shape of the outer die mold in order to obtain the desired magnetic field in the cavity shown in the figure. OptiNet will find the radius for the inner mold and the elliptical shape for the outer molds that satisfy these design objectives.
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Magnetron: Particle Trajectory
The trajectory of an electron in a magnetron can be determined from the magnetic and electric fields present in the space between the cathode and the anode. In this application, the electric and magnetic fields are perpendicular to each other. As the electron starts moving from the cathode to the anode, it is forced to travel on a path that is bent due to the magnetic field.
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Open Boundary Tool Demo using the Kelvin Transformation Method
For open or semi-open boundary problems, such as air-cored coils in free space, the objective is to reduce the solution domain area so that the boundary does not have an impact on the field solution. With the Kelvin transformation method, the a boundary can be placed quite close to the these objects and can easily be automated.
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Calculating the forces experienced on component surfaces
For this application page, we have selected a 4-pole Switch Reluctance Motor device. The Nodal Forces module calculates the forces experienced on the surfaces of components. All calculations and field displays are performed automatically, and the force distribution can be viewed as a shaded plot or as an arrow plot.
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