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Gradient optimization of microwave devices using continuum design sensitivities from the adjoint problem

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6 Author(s)
Y. Yang ; Dept. of Electromagn., Chalmers Univ. of Technol., Goteborg, Sweden ; T. Hallerod ; D. Ericsson ; A. Hellervik
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Design sensitivities for microwave problems derived in continuum form are applied to the shape and material parameters optimization. In particular, we optimize several scatterers' radar cross section (RCS) and a T-junction's reflection coefficient. The optimizations converge, in a small number of iterations, to designs of highly improved performance. Both frequency- and time-domain electromagnetic field solvers are tested and compared for the optimization of RCS.

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