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<p>The time reversal principle is exploited for damage detection of a homogeneous metallic beam, representative of a structural element, at its different health states. Then, a damage index is used for quantifying detected damages. It is shown that even with a limited number of transducers and restricted ultrasonic frequencies e.g., around 30 kHz, the damages are detectable. This study, is a primary step for monitoring civil engineering structural elements such as bridge cables for detection of their damages at their early developments.</p>

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On the damage detection of a metallic beam based on the time reversal principle

  • 期刊论文

  • 发表日期：

    2025年2月8日

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  • Mélissandre Huguet,
  • Alireza Ture Savadkoohi,
  • Claude-Henri Lamarque,
  • Manuel Collet

摘要

The time reversal principle is exploited for damage detection of a homogeneous metallic beam, representative of a structural element, at its different health states. Then, a damage index is used for quantifying detected damages. It is shown that even with a limited number of transducers and restricted ultrasonic frequencies e.g., around 30 kHz, the damages are detectable. This study, is a primary step for monitoring civil engineering structural elements such as bridge cables for detection of their damages at their early developments.