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In this work the classical vibration governing equations of the Timoshenko-Ehrenfest beam model are enriched with additional distributional terms to account for the presence of multiple cracks. The Green’s functions obtained as response to a concentrated load are presented and discussed. Finally, a novel crack location procedure based on the adoption of a “doublet load” is presented.

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On the Use of a Roving Harmonic Load to Locate Cracks in Shear Deformable Beam

  • 会议论文

  • 发表日期：

    2025年

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  • Salvatore Caddemi,
  • Francesco Cannizzaro,
  • Ilaria Fiore,
  • Ivo Caliò

摘要

In this work the classical vibration governing equations of the Timoshenko-Ehrenfest beam model are enriched with additional distributional terms to account for the presence of multiple cracks. The Green’s functions obtained as response to a concentrated load are presented and discussed. Finally, a novel crack location procedure based on the adoption of a “doublet load” is presented.