顾建祖,李冰,王自平

• 1:江苏大学土木工程与力学学院

摘要(Abstract)：

基于有限元数值方法,通过COMSOL Multiphysics软件,从二维角度建立超声相控阵合成孔径聚焦技术(SAFT)仿真成像几何模型,计算得到16阵元OPCM正交异性超声相控阵探头在不同时刻的声场分布图、缺陷回波信号图和缺陷成像,并与超声相控阵仪的实验成像结果作对比,验证了仿真模型的正确性.

关键词(KeyWords)： 超声相控阵;有限元数值方法;仿真成像;SAFT

Abstract:

Keywords:

基金项目(Foundation): 国家高技术研究发展计划(863)2009AA03Z107

作者(Author): 顾建祖,李冰,王自平

参考文献(References)：

• [1]Prine D W.Synthetic aperture ultrasonic imaging[C]//Proc.of the Eng.Appl.of Holography Symposium 287,Society of Photo-optical Instrumentation Engineers.1972.
• [2]Frederick J R,Seydel J A,Fairchild R C.Improved ultrasonic nondestructive testing of pressure vessels[R]//US Nuclear Regulatory Commission Report NUREG-0007-1,1976.
• [3]Seydel J.Ultrasonic Synthetic Aperture Focusing Techniques in NDT[M]//Sharpe R S.ed.Research Techniques in Nondestructive Testing,London:Academic Press,1982,6:1-47.
• [4]Johnson J.Parameter Study of Synthetic Aperture Focusing in Ultrasonics[M]//Thompson D O,Chimenti D E,ed.Review of Progress in QNDE.New York:Plenum Press,1982(1):735-752.
• [5]Thomson R N.Transverse and longitudinal resolution of the synthetic aperture focusing technique[J].Ultrasonics,1984(22):9-15.
• [6]Burch S F,Burton J T.Ultrasonic synthetic aperture focusing using planar pulse-echo transducers[J].Ultrasonics,1984(22):275-281.
• [7]Doctor S R,Hall T E,Reid L D.SAFT—The evolution of a signal processing technology for ultrasonic testing[J].NDT Int.,1986(19):163-167.
• [8]Kramer S.Ultrasonic Weld Defect Sizing Using the Synthetic Aperture Focusing Technique[M]//Thompson D O,Chim-enti D E,ed.Review of Progress in QNDE,New York:Plenum Press,1989(8):1995-2002.
• [9]彭虎.超声成像算法导论[M].合肥:中国科学技术大学出版社,2008.
• [10]Rose J L.Ultrasonic Waves in Solid Media[M].Cambridge:Cambridge University Press,1999.
• [11]Hindmarsh A C,Brown P N,Grant K E,et al.SUNDIALS:Suite of Nonlinear and Differential/Algebraic Equation Solvers[J].ACM Trans Math Software,2005,31(3):363-396.
• [12]孙宝申,沈建中.合成孔径聚焦超声成像(一)[J].应用声学,1993,12(3):43-48.
• [13]孙宝申,沈建中.合成孔径聚焦超声成像(二)[J].应用声学,1993,12(5):39-44.