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July 14, 2026Mechanics of Advanced Materials and Structures

Machine learning-enhanced CUF-based finite element models using Lagrange polynomials for the vibration analysis of sandwich plates with metamaterial cores and graphene nanoplatelet-reinforced polymer faces

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Authors

JMJ. L. MantariRLR. W. LaureanoJYJ. Yarasca

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Overview

Randomized trial predicts natural frequencies in sandwich plates, suggesting enhanced analytical capabilities.

Key Points

  • The aim is to create a hybrid framework to accurately predict the vibration characteristics of sandwich plates using advanced modeling techniques.
  • Developed a finite element model based on the CUF approach with variable kinematic descriptions.
  • Utilized Lagrange polynomials for mathematical modeling and MITC9 elements to minimize numerical inaccuracies during computation.
  • Implemented a multilayer perceptron as a surrogate model for quick prediction of natural frequencies from CUF-generated data.
  • Achieved a mean absolute percentage error of approximately 4% in predicting natural frequencies.
  • Parametric studies revealed optimal wall angles for maximum stiffness are between −70° and −60° for auxetic designs.
  • Demonstrated superior efficiency in computational cost when compared to conventional full layerwise models.

Cite This Study

Mantari et al. (2026) studied this question.

synapsesocial.com/papers/6a55d16e5aafca87247f8657https://doi.org/10.1080/15376494.2026.2697289
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Vibration analysis of cylindrical microshells with auxetic cores and triply periodic minimal surface layers using a hybrid analytical-machine learning framework2026
  2. 2Integrating machine learning and numerical methods for the nonlinear vibration analysis of meta-sandwich curved beams with architected cores and carbon fiber reinforced PLA composite face-sheets2026
  3. 3Vibration analysis of a composite sandwich plate with a viscoelastic auxetic core, FG-CNTRC interior, and MEE–FGP exterior face sheets2024 · 15 citations
  4. 4Free Vibrations of FG-GPLRC Magneto-electro-elastic Sandwich Cantilevered trapezoidal plates with Variable Thickness2024 · 7 citations
  5. 5Frequency Assessment of Sandwich Rectangular Plates with an Anisogrid Core and GPLRC Face Sheets2024