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Abstract
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Mistuning in cyclic symmetric systems increases severely the forced response of system and
splits the modes. This paper concerns with nonlinear behavior of mistuned cyclic systems. A nonlinear,
mistuned model based on the method of multiple scales is proposed and formulated in which nonlinearity
and mistuning parameter is assumed to be in of low order. Next, two mistuned systems were considered and
solved by the multiple scale technique. Numerical results demonstrate that mistuning can lead to repeating
and scattering of jump phenomena during the excitation frequency whereas in tuned cyclic system it occurs
simultaneously (synchronously).
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