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Abstract
In this study, the non-linear dynamic analysis of torus-shaped and cylindrical shell-like structures has been studied. The applied material is assumed as the functionally graded material (FGM). The structures are considered to be used for important machines such as wind turbines. The effects of some environmental factors on the analysis like temperature and humidity have been considered. The strain field has been calculated in general form and in continue the dynamic governing equations of torus structure have been derived based on the first-order shear deformation theory. The rotation around two independent axes in the torus coordinate system is considered and time-dependent equations are solved using SAPM semi-analytical method. The stresses and deformations generated in the torus and cylindrical shaped structures are plotted. The rotation of structures has been attended due to some transportation purposes. The effect of internal pressures as well as rotational speed at torus and cylindrical structures has been investigated in several numerical diagrams. The results are presented in the form of graphs that consider the rotational effects, loading, thermal and humid (hygro-thermal) environments, and size of the structures. This research can provide scientific perspectives to researchers who will examine the dynamic analysis of torus and cylindrical shaped structures.
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Authors (5)
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Shahriar Dastjerdi Dr.
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Bekir Akgöz PhD
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Ömer Civalek Dr.
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE
no. 156,
pages 1 - 24,
ISSN: 0020-7225 - Language:
- English
- Publication year:
- 2020
- Bibliographic description:
- Dastjerdi S., Akgöz B., Civalek Ö., Malikan M., Eremeev V.: On the non-linear dynamics of torus-shaped and cylindrical shell structures// INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE -Vol. 156, (2020), s.1-24
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.ijengsci.2020.103371
- Verified by:
- Gdańsk University of Technology
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