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Free vibration analysis of sandwich beams using the Refined Zigzag Theory: an experimental assessment

  • Advances in the Mechanics of Composite and Sandwich Structures
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Abstract

The paper is devoted to the experimental assessment of the Refined Zigzag Theory (RZT) for the free-vibration analysis of sandwich beams. To investigate the model performance, the effect of the face-to-core stiffness and thickness ratios as well as beam slenderness are taken into consideration. For comparison purposes, the results obtained by using the Timoshenko’s beam model, adopting an adequate shear correction factor, are given. The RZT demonstrates its remarkable accuracy with respect to the Timoshenko’s beam theory even when the latter is used with the ad-hoc calculated shear correction factor.

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Authors and Affiliations

  1. Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, 1029, Turin, Italy

    Luigi Iurlaro, Alessia Ascione, Marco Gherlone, Massimiliano Mattone & Marco Di Sciuva

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  1. Luigi Iurlaro
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  2. Alessia Ascione
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  3. Marco Gherlone
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  4. Massimiliano Mattone
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  5. Marco Di Sciuva
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Correspondence to Luigi Iurlaro.

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Iurlaro, L., Ascione, A., Gherlone, M. et al. Free vibration analysis of sandwich beams using the Refined Zigzag Theory: an experimental assessment. Meccanica 50, 2525–2535 (2015). https://doi.org/10.1007/s11012-015-0166-4

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  • DOI: https://doi.org/10.1007/s11012-015-0166-4

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