| 桑永杰,林书玉.基于能量修正法进行大尺寸指数型超声变幅杆准确设计[J].,2007,26(4):193-196 |
| 基于能量修正法进行大尺寸指数型超声变幅杆准确设计 |
| Precise design of large dimension exponential horn based on energy modification method |
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| 中文摘要: |
| 基于能量修正法修正了大尺寸变幅杆纵振动共振频率方程,得出了其修正频率表达式,分析了大尺寸指数型变幅杆的共振频率修正值,并利用有限元软件ANSYS对一组大尺寸指数变幅杆进行了模态分析．结果表明,比起一维理论值,修正后的频率值更接近于有限元仿真分析结果,变幅杆的尺寸越大(即径长比越大)这种修正效果越明显。 |
| 英文摘要: |
| Based on energy modification method,the longitudinal resonance frequency equation of large dimension exponential horn was modified in the article.As a example, the longitudinal resonance modification frequency of large dimension exponential horn was studied.By finite element analysis software ANSYS,a set of large dimension ex- ponential horn were analysed.Comparing with one-dimensional theory,the solutions of coupled theory are closer to finite element analysis solutions,and the larger for the dimension,the better for modify effect. |
| DOI：10.11684/j.issn.1000-310X.2007.04.001 |
| 中文关键词: 大尺寸指数变幅杆 共振频率 耦合振动 有限元 |
| 英文关键词: Large dimension exponential horn Resonance frequency Coupled vibration Finite element |
| 基金项目:国家自然科学基金(10674090) |
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