THE SCATTERING OF ELASTIC WAVES BY CRACKS
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摘要:近30年来,随着地震探矿技术、定量无损检测技术、雷达和声呐技术的发展,以及对动态断裂及高速冲击下材料动态特性等问题的研究,弹性波散射理论的研究引起了国内外力学界及其他学科许多科学工作者的普遍关注。至今,人们在这一领域已进行了大量的研究工作,并得到了很大的发展,而所取得的成果又为应用技术的发展提供了理论依据,所以它已成为当前应用力学界一个较为活跃的前沿课题。本文将对近年来关于裂纹体弹性波散射问题的有关研究现状和基本方法作较为系统的介绍。Abstract:The investigation on scattering of elastic waves by cracks is of essential importance in the elastodynamic theory itself and enjoys various applications in many practical problems such as QNDE. So this subject has been extensively studied in recent years and great progress has been made. In this paper, a comprehensive review on this subject is given.
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Key words:
- elastic wave/
- scattering/
- crack
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