Calculating the Forces Created by an Electrodynamic Wheel Using a 2-D Steady-State Finite-Element Method |
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Authors: | Bird J Lipo TA |
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Affiliation: | Wisconsin-Madison Univ., Madison; |
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Abstract: | We present a two-dimensional complex steady-state finite-element method for calculating the lift and thrust or breaking forces created when a magnetic rotor is translationally moved and rotated over a conducting sheet. The method replaces the magnetic rotor with an equivalent current sheet by equating the current sheet's and magnet rotor's magnetic vector potentials. We validate the steady-state method by comparing the forces with transient finite-element models. The utility of this steady-state model is that it enables a study of the effects of parameter changes for such a machine to be undertaken rapidly. |
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