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稀土Tonpilz换能器的有限元设计法
引用本文:贺西平,李斌,孙进才.稀土Tonpilz换能器的有限元设计法[J].应用声学,2001,20(3):18-21.
作者姓名:贺西平  李斌  孙进才
作者单位:1. 陕西师范大学应用声学研究所
2. 西北工业大学航海工程学院
摘    要:当Tonpilz换能器组件迥横截面面积之间相差较大时,应力,应变会有一定的突破,边界条件将不很连续,用四端网络方法设计会带来较大的误差,本文用有限元方法,设计并研制了一稀土Tonpilz型换能器 实验测试表明,与四端网络设计法相比,有限元方法具有更好的设计精度。

关 键 词:稀土磁致伸缩换能器  有限元方法  共振频率  设计  水声换能器

The finite element method for designing rare earth Tonpilz transducer
He Xiping,Libin and Sun Jincai.The finite element method for designing rare earth Tonpilz transducer[J].Applied Acoustics,2001,20(3):18-21.
Authors:He Xiping  Libin and Sun Jincai
Abstract:When large difference in the cross sectional areas occur between components of Tonpilz transducer, the stress or the strain will not be continuous at the junctions. The assumption of continuous boundary conditions will not hold in situations, like the designing by the use of the four terminal networks be continuously as well. In this paper, a rare earth giant magnetostrictive Tonpilz transducer is designed and manufactured by means of the finite element method. It is shown through experimental measurement that the design precision of the finite element method is better than that of the four-terminal networks design method.
Keywords:Rare earth magnetostrictive transducer  Finite element method  Resonance frequency
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