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Finite Element Based Analysis of Magnetic Forces between Planar Spiral Coils

Author(s): Abbas Shiri | Davoud E. Moghadam | Mohammad R. A. Pahlavani | Abbas Shoulaie

Journal: Journal of Electromagnetic Analysis and Applications
ISSN 1942-0730

Volume: 02;
Issue: 05;
Start page: 311;
Date: 2010;
Original page

Keywords: Magnetic Force | Finite Element Method | Concentric Rings Method | Planar Spiral Coils

This paper elaborates on the magnetic forces between current carrying planar spiral coils. Direct and concentric rings methods are employed in order to calculate the magnetic force between these coils. The results obtained by two calculation methods show the efficiency of the replaced rings method in both simplicity and calculation time. Simula-tions using the Finite Element Method (FEM) are carried out to analyze the distribution of the magnetic flux density around the coils. Also, coils with precise size have been constructed and tested. The experimental results as well as the results obtained by FEM are used to validate the accuracy of the calculations.
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