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Terfenol棒径向开缝数目计算的新方法 被引量:1

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摘要 Terfenol是较理想的研制低频大功率声纳换能器的材料.具有大应变,高能量密度的特性,但设计者必须考虑涡流损耗.文献[1]中,为了提高Terfenol棒驱动的凹筒型换能器的效率,采用径向开缝的方式取代迭片结构,利用有限元方法计算了开缝数目,并作了实验测试.本文基于涡流轨迹的特征,提出了一种简便的几何计算开缝数目的方法,计算结果与文献[1]中有限元计算的结果一致.节省了设计成本.
作者 贺西平 张频
出处 《中国科学(E辑)》 CSCD 北大核心 2008年第11期2001-2004,共4页 Science in China(Series E)
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参考文献7

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二级参考文献2

  • 1贺西平,材料科学与工程,1998年,16卷,3期,61页
  • 2朱伯芳,单元法原理与应用,1979年

共引文献16

同被引文献15

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