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This research deals with dynamic response of a permanent magnet freely levitated above an excited high-T, superconductor. Evaluation of dynamic characteristics is required in mechanical design of high-T, superconducting levitation systems. Their dynamics is coupled with Type-I1 superconducting phenomena. By a numerical approach based on some macroscopic models we evaluate mechanical resonance characteristics of a superconducting levitation system. Numerical results show some nonlinear properties and effect of the flux flow in Type-I1 superconductor, which are observed in experiments or predicted by analyses.

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