A GENERAL PURPOSE COMPUTER MODEL FOR CALCULATING ELASTIC WAVEGUIDE PROPERTIES, WITH APPLICATION TO NON-DESTRUCTIVE TESTING

机译：计算弹性波导特性的通用计算机模型及其在无损检测中的应用

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Guided waves are increasingly used for Non-Destructive Testing (NDT) of structures; their attractions include speed of inspection and their ability to penetrate inaccessible regions. However developments of guided wave methods are relatively complex because of the existence of multiple frequency-dispersive modes. Successful development depends on a thorough knowledge of which modes may propagate in a structure, their velocity-frequency dispersion relations, and their profiles of stresses and displacements. The authors have developed a general purpose computer model which they have used for a wide variety of studies during the past ten years or so. The paper describes the function of the model in outline, and illustrates its use on some NDT applications.

机译：导波越来越多地用于结构的无损检测（NDT）。他们的吸引力包括检查的速度及其穿透人迹罕至地区的能力。然而，由于存在多种频率分散模式，导波方法的发展相对复杂。成功的开发取决于对哪些模式可能在结构中传播，它们的速度-频率色散关系以及它们的应力和位移分布的透彻了解。作者开发了一种通用计算机模型，在过去的十年左右的时间里，该模型已用于各种研究中。本文概述了该模型的功能，并说明了其在某些NDT应用中的用途。

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来源
《NATO Advanced Research Workshop on Surface Waves in Anisotropic and Laminated Bodies and Defects Detection; 20011030-1102; Moscow(RU)》|2001年|P.241-256|共16页
会议地点 Moscow(RU)
作者
M. J. S. LOWE; P. CAWLEY; B. N. PAVLAKOVIC;
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作者单位

Imperial College Department of Mechanical Engineering Exhibition Road London SW7 2BX UK;

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会议组织
原文格式 PDF
正文语种 eng
中图分类 O315.02;
关键词
nonlinear surface waves; elasticity; rayleigh waves; scale invariance; nonlo-cality; spectral kernel; spatial kernel; hilbert transform;

机译：非线性表面波;弹性;瑞利波;尺度不变性;非尺度性;谱核;空间核;希尔伯特变换;

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A GENERAL PURPOSE COMPUTER MODEL FOR CALCULATING ELASTIC WAVEGUIDE PROPERTIES, WITH APPLICATION TO NON-DESTRUCTIVE TESTING

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