<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The current work focuses on the experimental and finite element free vibration studies of laminated composite sandwich skew plates. The comparison was made between the experimental values obtained by the Fast Fourier transform (FFT) analyzer and a finite element solution obtained from CQUAD8 finite element of The MacNeal-Schwendler Corporation (MSC) / NASA STRucture Analysis (NASTRAN) software. The influence of parameters such as aspect ratio (AR) (a/b), skew angle (α), edge condition, laminate stacking sequence, and fiber orientation angle (θ°) on the natural frequencies of sandwich skew plates was studied. The values obtained by both the finite element and experiment approaches are in good agreement. The natural frequencies increase with an increase in the skew angle for all given ARs.</p>
</abstract>

The current work focuses on the experimental and finite element free vibration studies of laminated composite sandwich skew plates. The comparison was made between the experimental values obtained by the Fast Fourier transform (FFT) analyzer and a finite element solution obtained from CQUAD8 finite element of The MacNeal-Schwendler Corporation (MSC) / NASA STRucture Analysis (NASTRAN) software. The influence of parameters such as aspect ratio (AR) (a/b), skew angle (α), edge condition, laminate stacking sequence, and fiber orientation angle (θ°) on the natural frequencies of sandwich skew plates was studied. The values obtained by both the finite element and experiment approaches are in good agreement. The natural frequencies increase with an increase in the skew angle for all given ARs.

Modal Characterization of Sandwich Skew Plates

Research Scholar, Department of Mechanical Engineering, GM Institute of Technology

Davangere, Visvesvaraya Technological University

Head, Department of Mechanical Engineering, GM Institute of Technology, Davangere

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Modal Characterization of Sandwich Skew Plates"}

The current work focuses on the experimental and finite element free vibration studies of laminated composite sandwich skew plates. The comparison was made...

Modal Characterization of Sandwich Skew Plates

Publié en ligne: 27 sept. 2021

Pages: 143 - 153

Reçu: 14 mars 2021

Accepté: 01 juil. 2021

DOI: https://doi.org/10.2478/ama-2021-0019

Mots clés
natural frequency, non-dimensional frequency parameter (K), antisymmetric laminate, fiber orientation angle, skew angle

© 2021 Dhotre Pavan Kumar et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Modal Characterization of Sandwich Skew Plates

Publié en ligne: 27 sept. 2021

Pages: 143 - 153

Reçu: 14 mars 2021

Accepté: 01 juil. 2021

DOI: https://doi.org/10.2478/ama-2021-0019

Mots clésnatural frequency, non-dimensional frequency parameter (K), antisymmetric laminate, fiber orientation angle, skew angle

© 2021 Dhotre Pavan Kumar et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
natural frequency, non-dimensional frequency parameter (K), antisymmetric laminate, fiber orientation angle, skew angle