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建立了超磁致伸缩换能器的等效动力学模型 ,应用Green函数得到了换能器的固有频率值 ,导出了超磁致伸缩换能器非线性振动响应的近似解析式·通过数值模拟 ,发现了超磁致伸缩换能器振动系统具有复杂的分叉和混沌行为·
The equivalent dynamic model of Giant Magnetostrictive Transducer was established. The natural frequency of the transducer was obtained by Green’s function, and the approximate analytical expression of nonlinear vibration response of Giant Magnetostrictive Transducer was deduced. By numerical simulation , Found that the giant magnetostrictive transducer vibration system has complex bifurcation and chaos behavior ·