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Advances in Nano Research Volume 13, Number 5, November 2022 , pages 453-463 DOI: https://doi.org/10.12989/anr.2022.13.5.453 |
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Free vibration analysis of FGP nanobeams with classical and non-classical boundary conditions using State-space approach |
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Youcef Tlidji, Rabia Benferhat, Tahar Hassaine Daouadji,
Abdelouahed Tounsi and L.Cong Trinh
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| Abstract | ||
| This paper aims to investigate the vibration analysis of functionally graded porous (FGP) beams using State-space approach with several classical and non-classical boundary conditions. The materials properties of the porous FG beams are considered to have even and uneven distributions profiles along the thickness direction. The equation of motion for FGP beams with various boundary conditions is obtained through Hamilton's principle. State-space approach is used to obtain the governing equation of porous FG beam. The comparison of the results of this study with those in the literature validates the present analysis. The effects of span-to-depth ratio (L/h), of distribution shape of porosity and others parameters on the dynamic behavior of the beams are described. The results show that the boundary conditions, the geometry of the beams and the distribution shape of porosity affect the fundamental frequencies of the beams. | ||
| Key Words | ||
| FGP nanobeams; several boundary conditions; state-space approach; vibration analysis | ||
| Address | ||
| Youcef Tlidji: Department of Civil Engineering, University of Tiaret, Algeria Rabia Benferhat and Tahar Hassaine Daouadji: Department of Civil Engineering, University of Tiaret, Algeria/ Laboratory of Geomatics and Sustainable Development, University of Tiaret, Algeria Abdelouahed Tounsi; YFL (Yonsei Frontier Lab), Yonsei University, Seoul, Korea/ Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, 31261 Dhahran, Eastern Province, Saudi Arabia/ Material and Hydrology Laboratory, University of Sidi Bel Abbes, Civil Engineering Department, Algeria L.Cong Trinh: Faculty of Civil Engineering and Applied Mechanics, University of Technical Education Ho Chi Minh City, Viet Nam | ||