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The topological derivative is a mathematical tool that can be used to post-process data collected in nondestructive tests to obtain a damage indicator function of the analyzed structure. In this work, we present a comparison of the performance of the topological derivative for post-processing data acquired in numerically simulated nondestructive tests of an aluminum plate via ultrasonic guided Lamb waves and active infrared thermography.

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Efficient Processing of Thermographic and Ultrasonic Data Using Topological Derivative Methods for Nondestructive Evaluation of Aluminum Plates

  • 会议论文

  • 发表日期：

    2026年

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  • Manuel Pena,
  • Claudiu Placinta,
  • María-Luisa Rapún

摘要

The topological derivative is a mathematical tool that can be used to post-process data collected in nondestructive tests to obtain a damage indicator function of the analyzed structure. In this work, we present a comparison of the performance of the topological derivative for post-processing data acquired in numerically simulated nondestructive tests of an aluminum plate via ultrasonic guided Lamb waves and active infrared thermography.