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Efficient force calculations based on continuum sensitivity analysis

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3 Author(s)
Dong-Hun Kim ; Sch. of Electr. Eng. & Comput. Sci., Kyungpook Nat. Univ., Daegu, South Korea ; D. A. Lowther ; J. K. Sykulski

Using continuum design sensitivity analysis (CDSA), in conjunction with the virtual work principle, equations have been derived for calculating forces without the need to solve the adjoint system. The resultant expressions are similar to the Maxwell stress tensor, but have the important advantage of the integration taking place on the surface of material rather than in the air outside. Implementation of the scheme leads to efficient calculations and improved accuracy.

Published in:

IEEE Transactions on Magnetics  (Volume:41 ,  Issue: 5 )