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October 17, 2025Smart Materials and StructuresOpen Access

Lamb wave amplification using flexurally resonant metamaterial

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Authors

WRWaliur RahmanMSMd Raf E Ul ShougatKPKara Peters

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Overview

Design of metamaterials focuses lamb wave propagation through flexural resonance, suggesting improved monitoring methods.

Key Points

  • Flexural resonance modes hybridize with antisymmetric lamb waves, enhancing wavefront manipulation.
  • Two distinct resonance frequencies result from the orthotropic unit cell, improving focusing effects below the first antisymmetric mode bandgap.
  • Numerical simulations confirm enhanced lamb wave focusing compared to previous metamaterial GRIN lens methodologies.
  • Experimental validation aligns with predicted behavior from dispersion curves in aluminum plates.

Cite This Study

Rahman et al. (2025) studied this question.

synapsesocial.com/papers/68f19f20de32064e504ddcbehttps://doi.org/10.1088/1361-665x/ae138f
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  5. 5A0 mode Lamb wave propagation in a nonlinear medium and enhancement by topologically designed metasurfaces for material degradation monitoring2024 · 14 citations