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Get Free AccessCircular cylindrical shell structures are sensitive to wind induced ovalling oscillation, which is an aeroelastic phenomenon. This paper presents a finite element model of a silo that is validated by means of experimental results obtained on a silo on which ovalling has been observed. Results obtained with a three-dimensional finite element model of the silo, including the connection between the silo and the supporting structure, show the best correspondence with measurement results. The boundary condition for the axial displacements strongly affects the eigenfrequencies and the mode shapes. Differences between results obtained with a model that exploits symmetry and a three-dimensional model are explained. The finite strip method allows us to reduce the silo model to two dimensions, so that it can be coupled to a two-dimensional wind flow in future fluid–structure interaction calculations that aim to predict the onset flow velocity.
David Dooms, Geert Degrande, Guido De Roeck, Edwin Reynders (2005). Finite element modelling of a silo based on experimental modal analysis. Engineering Structures, 28(4), pp. 532-542, DOI: 10.1016/j.engstruct.2005.09.008.
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Type
Article
Year
2005
Authors
4
Datasets
0
Total Files
0
Language
English
Journal
Engineering Structures
DOI
10.1016/j.engstruct.2005.09.008
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