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Steel and Composite Structures Volume 42, Number 4, February25 2022 , pages 501-511 DOI: https://doi.org/10.12989/scs.2022.42.4.501 |
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The effect of three-variable viscoelastic foundation on the wave propagation in functionally graded sandwich plates via a simple quasi-3D HSDT |
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Saeed I. Tahir, Abdelouahed Tounsi, Abdelbaki Chikh, Mohammed A. Al-Osta1, Salah U. Al-Dulaijan and Mesfer M. Al-Zahrani
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| Abstract | ||
| This work studies the effect of a three-variable viscoelastic foundation on wave propagation in functionally graded (FG) sandwich plates using a simple quasi-3D plate theory. The presented solution is based on a four-unknown plate theory that simplifies the calculations and considers the stretching effect. The theory employs a simple sinusoidal function for the shear deformation shape. The studied plates are composite sandwiches in which the layers are ceramic, metal, or FG ceramic-metal. The governing differential equations are obtained for the proposed quasi-3D plate theory using Hamilton's principle. The eigenvalue problem is formulated for the wave propagation and solved for the studied desperation relations. Finally, new results that examine the influences of the foundation parameters, the FGM exponent and the core-to-thickness ratio on the various dispersion relations of wave propagation are presented. | ||
| Key Words | ||
| FGM; Quasi-3D plate theory; viscoelastic foundation; wave propagation | ||
| Address | ||
| Saeed I. Tahir:Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia Abdelouahed Tounsi:YFL (Yonsei Frontier Lab), Yonsei University, Seoul, Korea Abdelbaki Chikh:Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Civil Engineering Department, Algeria Mohammed A. Al-Osta:Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia Salah U. Al-Dulaijan:Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia Mesfer M. Al-Zahrani:Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia | ||