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首次分析了磁致伸缩换能器各组件有限单元中的能量关系，由此导出了磁致伸缩换能器有限元设计的动力学方程；计算了Ⅶ型弯张换能器壳体及弯张换能器的振动模态，指出在诸模态中存在一呼吸模式，技能器若是工作在这一呼吸模式上，将能获得较大的体积速度及较高的声源级。
For the first time, the energy relationships among the finite elements of each magnetostrictive transducer were analyzed, and the dynamic equations of the magnetostrictive transducer were deduced. The Ⅶ type bending transducer shell and bending The vibration modes of the transducer indicate that there is a breathing pattern in the modalities. If the skilled worker is working on this breathing pattern, a larger volume velocity and a higher sound source level will be obtained.