基于进化规划算法的导波频散曲线计算
Guided Wave Dispersion Curve Solution Based on Evolutional Programming Algorithm
摘 要
提出了基于进化规划算法的加载流体管道中的导波频散方程求解方法，将进化规划算法引入到存在能量衰减的管道频散方程的求解中，进化规划仅采用突变控制进化过程，相比其他求解方法，该求解方法更便捷。利用磁致伸缩导波检测技术检测充水管道，试验所得的导波速度均落在通过该算法求得的导波频散曲线上。
频散方程
进化规划
磁致伸缩效应
guided wave
dispersion equation
evolutional programming
magnetostrictive effect
Abstract
A solution method of guided wave dispersion equation in the fluid-filled pipe is presented based on evolutional programming. The evolutional programming is introduced into the solution of pipe dispersion equation with energy attenuation, and it controls the evolutional process only with saltation. Compared to other solution methods, the solution method of dispersion equation based on evolutional programming is more convenient. The velocities measured during the NDT of fluid-filled pipes based on magnetostrictive guided wave were shown to be well matched with the velocity curve calculated by the presented method.
中图分类号 TG115.28 DOI 10.11973/wsjc201904006
所属栏目 试验研究
基金项目
收稿日期 2018/10/9
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备注沈立华(1981-),男,博士,工程师,研究方向为状态监测与故障诊断、无损检测新技术
引用该论文: SHEN Lihua,ZHOU Fangjun,WANG Yuemin. Guided Wave Dispersion Curve Solution Based on Evolutional Programming Algorithm[J]. Nondestructive Testing, 2019, 41(4): 30～33
沈立华,周方俊,王悦民. 基于进化规划算法的导波频散曲线计算[J]. 无损检测, 2019, 41(4): 30～33
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参考文献
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【7】ARISTÉGUI C, LOWE M J S, CAWLEY P. Guided waves in fluid-filled pipes surrounded by different fluids[J]. Ultrasonics, 2001, 39:367-375.
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【2】KWUN H, HOLT A E.Feasibility of under-lagging corrosion detection in steel pipe using the magnetostrictive sensor technique[J]. NDT&E International, 1995, 28(4):211-214.
【3】KWUN H, HANLEY J J, HOLT A E. Detection of corrosion in pipe using the magnetostrictive sensor technique[J]. Proc. of SPIE, 1996, 2459:140-148.
【4】NAGY P B, NAYFEH A H. Viscosity-induced attenuation of longitudinal guided waves in fluid-load rods[J]. J. Acoust. Soc. Am., 1996, 100(3):1501-1508.
【5】PONCELET O, DESCHAMPS M. Lame waves generated by complex harmonic inhomogeneous plane waves[J]. J. Acoust. Soc. Am., 1997,102(1):292-300.
【6】BERNARD A, DESCHAMPS M, LOWE M. Comparison between the dispersion curves calculated in complex frequency and the minima of the reflection coefficients for an embedded layer[J]. J. Acoust. Soc. Am., 2000, 107(2):793-800.
【7】ARISTÉGUI C, LOWE M J S, CAWLEY P. Guided waves in fluid-filled pipes surrounded by different fluids[J]. Ultrasonics, 2001, 39:367-375.
【8】GAZIS D C. Three dimensional investigation of the propagation of waves in hollow circular cylinders. I. analytical foundation[J].J. Acoust. Soc. Am, 1959, 31(5):568-573.
【9】FOGEL L J. Artificial intelligence through simulated evolution[M].New York:John Wiley,1966:39.
【10】FOGEL D B.A asymptotic convergence properties of genetical algorithms and evolutionary programming:Analysis and experiment[J].Cybernetics and Systems,1994,25(3):389-407.
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