Study on dynamic of giant magnetostrictive material transducer with spring of nonlinear stiffness |
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Authors: | He Li Shuying Liu Feng Wen Bangchun Wen |
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Affiliation: | (1) Northeastern University, 110004 Shenyang, P.R. China |
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Abstract: | To study the dynamics of giant magnetostrictive material (GMM) transducer, its model was developed, according to the dynamic
experiment results of GMM and the influence of unsymmetrical piece-wise linear stiffness of the prepressing spring. Based
on the one degree of freedom its vibration model of a GMM transducer, unsymmetrical piecewise linear nonlinear characteristic
of pre-pressing spring was investigated. The first order harmonic motion component of the GMM transducer was obtained by the
analysis of KBM method. By the numerical simulation the complicated bifurcation and chaos behavior of the nonlinear vibration
system were founded, which should to be taken account of in the design of GMM transducer. |
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Keywords: | Giant magnetostrictive material transducer Nonlinear stiffness |
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