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<p>Analytically based computer model for simulating wave processes occurring in arbitrarily anisotropic multilayered composites immersed in acoustic environment has been developed to create and configure non-contact ultrasonic control systems. The model is based on the explicit integral representations for the excited waves in terms of the Fourier symbols of Green's matrix of the coupled acoustic-elastic structure. The model is validated against FEM calculation and experimental measurements. Its capabilities are illustrated by examples of studying the influence of anisotropy on the guided wave dispersion and amplitude characteristics for orthotropic plates submerged in water.</p>

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Non-contact ultrasonic diagnostics of aerospace anisotropic composites

  • 期刊论文

  • 发表日期：

    2025年12月12日

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  • Olga Ermolenko,
  • Evgeny Glushkov,
  • Natalia Glushkova

摘要

Analytically based computer model for simulating wave processes occurring in arbitrarily anisotropic multilayered composites immersed in acoustic environment has been developed to create and configure non-contact ultrasonic control systems. The model is based on the explicit integral representations for the excited waves in terms of the Fourier symbols of Green's matrix of the coupled acoustic-elastic structure. The model is validated against FEM calculation and experimental measurements. Its capabilities are illustrated by examples of studying the influence of anisotropy on the guided wave dispersion and amplitude characteristics for orthotropic plates submerged in water.