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浙江大学学报(工学版)
浙江大学学报(工学版)
能源与机械工程     
复合管道轴对称导波改进半解析有限元建模
胡剑虹1,3,唐志峰2,吕福在1,潘晓弘1,韩烨4,姜晓勇5
1. 浙江大学 现代制造工程研究所,浙江 杭州 310027；2. 浙江大学 数字技术及仪器研究所,浙江 杭州 310027；3. 中国计量学院 机电工程学院,杭州 310018；4. 中石化长输油气管道检测有限公司,江苏 徐州 221008；5. 杭州浙达精益机电技术股份有限公司,浙江 杭州 311121
Improved semi-analytical finite element modeling of axisymmetric guided wave modes in composite pipes
HU Jian-hong1,3, TANG Zhi-feng2, LV Fu-zai1, PAN Xiao-hong1, HAN Ye4, JIANG Xiao-Yong5
1. Institute of Advanced Manufacturing Engineering, Zhejiang University, Hangzhou 310027, China; 2. Institute of Advanced Digital Technologies and Instrumentation, Zhejiang University, Hangzhou 310027, China; 3. College of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China; 4. SINOPEC Oil and Gas Pipeline Inspection Limited Company, Xuzhou 221008, China; 5. Hangzhou Zheda Jingyi Electromechanical Technology Limited Company, Hangzhou 311121, Chin
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摘要：

针对层状复合管道经典半解析有限元（SAFE）模型无法直接区分纵向模态导波和扭转模态导波的问题,在SAFE基本原理基础上结合纵向模态导波和扭转模态导波的力学特性,分别建立纵向模态导波和扭转模态导波的SAFE模型.该模型实现了纵向模态导波和扭转模态导波的单独计算,避免了复杂的导波模态区分过程,减少了SAFE模型的计算工作量,提高了计算效率.通过与基于全局矩阵法原理的PCdisp软件的计算结果比较,证明该SAFE模型具有良好的计算精度.利用所建的SAFE模型计算了环氧树脂钢管中纵向模态导波和扭转模态导波的传播特性.
Abstract:

The traditional semi-analytical finite element(SAFE) models can not distinguish between longitudinal waves and torsional waves. The SAFE models of longitudinal waves and torsional waves were independently established based on basic SAFE principle combined with mechanical properties of longitudinal waves and torsional waves. The SAFE models respectively calculated longitudinal waves and torsional waves, avoided complex mode differentiation,reduced the computational complexity and improved the efficiency. The results of SAFE models were compared with PCdisp which is based on global matrix method to examine the accuracy of SAFE models. The examples of longitudinal waves and torsional waves propagating in epoxy-Fe-epoxy composite pipe were analyzed.
出版日期: 2018-06-06
:  O 347  
基金资助:

国家自然科学基金资助项目（51275454,61271084）；质检公益性行业科研专项资助项目（20140027 ）
通讯作者: 唐志峰，男，副教授     E-mail: tangzhifeng@zju.edu.cn
作者简介: 胡剑虹(1984-)，男，博士生，从事超声导波结构健康监测的研究. E-mail: zjuhjh@126.com
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引用本文:

胡剑虹,唐志峰,吕福在,潘晓弘,韩烨,姜晓勇. 复合管道轴对称导波改进半解析有限元建模[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2015.01.017.

HU Jian-hong, TANG Zhi-feng, LV Fu-zai, PAN Xiao-hong, HAN Ye, JIANG Xiao-Yong. Improved semi-analytical finite element modeling of axisymmetric guided wave modes in composite pipes. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2015.01.017.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2015.01.017    或    http://www.zjujournals.com/eng/CN/Y2015/V49/I1/116

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