Vibration analysis of a sandwich cylindrical shell in hygrothermal environment

The sandwich structures are three- or multilayered structures such that their mechanical properties are better than each single layer. In the current research, a three-layered cylindrical shell including a functionally graded porous core and two reinforced nanocomposite face sheets resting on the Pa...

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Autores principales:	Zhang Chunwei, Jin Qiao, Song Yansheng, Wang Jingli, Sun Li, Liu Haicheng, Dun Limin, Tai He, Yuan Xiaodong, Xiao Hongmei, Zhu Limeng, Guo Songlin
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	vibration sandwich cylindrical shell porous materials graphene nanoplatelets hygrothermal environment sinusoidal shear deformation Technology T Chemical technology TP1-1185 Physical and theoretical chemistry QD450-801
Acceso en línea:	https://doaj.org/article/694466aa81c54bc9ab53849d9aa52fca
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spelling	oai:doaj.org-article:694466aa81c54bc9ab53849d9aa52fca2021-12-05T14:10:57ZVibration analysis of a sandwich cylindrical shell in hygrothermal environment2191-909710.1515/ntrev-2021-0026https://doaj.org/article/694466aa81c54bc9ab53849d9aa52fca2021-06-01T00:00:00Zhttps://doi.org/10.1515/ntrev-2021-0026https://doaj.org/toc/2191-9097The sandwich structures are three- or multilayered structures such that their mechanical properties are better than each single layer. In the current research, a three-layered cylindrical shell including a functionally graded porous core and two reinforced nanocomposite face sheets resting on the Pasternak foundation is used as model to provide a comprehensive understanding of vibrational behavior of such structures. The core is made of limestone, while the epoxy is utilized as the top and bottom layers’ matrix phase and also it is reinforced by the graphene nanoplatelets (GNPs). The pattern of the GNPs dispersion and the pores distribution play a crucial role at the continuous change of the layers’ properties. The sinusoidal shear deformation shells theory and the Hamilton’s principle are employed to derive the equations of motion for the mentioned cylindrical sandwich shell. Ultimately, the impacts of the model’s geometry, foundation moduli, mode number, and deviatory radius on the vibrational behavior are investigated and discussed. It is revealed that the natural frequency and rotation angle of the sandwich shell are directly related. Moreover, mid-radius to thickness ratio enhancement results in the natural frequency reduction. The results of this study can be helpful for the future investigations in such a broad context. Furthermore, for the pipe factories current study can be effective at their designing procedure.Zhang ChunweiJin QiaoSong YanshengWang JingliSun LiLiu HaichengDun LiminTai HeYuan XiaodongXiao HongmeiZhu LimengGuo SonglinDe Gruyterarticlevibrationsandwich cylindrical shellporous materialsgraphene nanoplateletshygrothermal environmentsinusoidal shear deformationTechnologyTChemical technologyTP1-1185Physical and theoretical chemistryQD450-801ENNanotechnology Reviews, Vol 10, Iss 1, Pp 414-430 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	vibration sandwich cylindrical shell porous materials graphene nanoplatelets hygrothermal environment sinusoidal shear deformation Technology T Chemical technology TP1-1185 Physical and theoretical chemistry QD450-801
spellingShingle	vibration sandwich cylindrical shell porous materials graphene nanoplatelets hygrothermal environment sinusoidal shear deformation Technology T Chemical technology TP1-1185 Physical and theoretical chemistry QD450-801 Zhang Chunwei Jin Qiao Song Yansheng Wang Jingli Sun Li Liu Haicheng Dun Limin Tai He Yuan Xiaodong Xiao Hongmei Zhu Limeng Guo Songlin Vibration analysis of a sandwich cylindrical shell in hygrothermal environment
description	The sandwich structures are three- or multilayered structures such that their mechanical properties are better than each single layer. In the current research, a three-layered cylindrical shell including a functionally graded porous core and two reinforced nanocomposite face sheets resting on the Pasternak foundation is used as model to provide a comprehensive understanding of vibrational behavior of such structures. The core is made of limestone, while the epoxy is utilized as the top and bottom layers’ matrix phase and also it is reinforced by the graphene nanoplatelets (GNPs). The pattern of the GNPs dispersion and the pores distribution play a crucial role at the continuous change of the layers’ properties. The sinusoidal shear deformation shells theory and the Hamilton’s principle are employed to derive the equations of motion for the mentioned cylindrical sandwich shell. Ultimately, the impacts of the model’s geometry, foundation moduli, mode number, and deviatory radius on the vibrational behavior are investigated and discussed. It is revealed that the natural frequency and rotation angle of the sandwich shell are directly related. Moreover, mid-radius to thickness ratio enhancement results in the natural frequency reduction. The results of this study can be helpful for the future investigations in such a broad context. Furthermore, for the pipe factories current study can be effective at their designing procedure.
format	article
author	Zhang Chunwei Jin Qiao Song Yansheng Wang Jingli Sun Li Liu Haicheng Dun Limin Tai He Yuan Xiaodong Xiao Hongmei Zhu Limeng Guo Songlin
author_facet	Zhang Chunwei Jin Qiao Song Yansheng Wang Jingli Sun Li Liu Haicheng Dun Limin Tai He Yuan Xiaodong Xiao Hongmei Zhu Limeng Guo Songlin
author_sort	Zhang Chunwei
title	Vibration analysis of a sandwich cylindrical shell in hygrothermal environment
title_short	Vibration analysis of a sandwich cylindrical shell in hygrothermal environment
title_full	Vibration analysis of a sandwich cylindrical shell in hygrothermal environment
title_fullStr	Vibration analysis of a sandwich cylindrical shell in hygrothermal environment
title_full_unstemmed	Vibration analysis of a sandwich cylindrical shell in hygrothermal environment
title_sort	vibration analysis of a sandwich cylindrical shell in hygrothermal environment
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/694466aa81c54bc9ab53849d9aa52fca
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Vibration analysis of a sandwich cylindrical shell in hygrothermal environment

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