A semi-analytical boundary method in investigation of dynamic parameters of functionally graded storage tank

In this study, semi-analytical boundary method is adopted to examine dynamic parameters of partially fluid-filled cylindrical shells made of functionally graded materials. Material properties are assumed to radially variable in terms of volume fraction of ceramic and metal according to a simple powe...

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Bibliographic Details
Published in:Journal of the Brazilian Society of Mechanical Sciences and Engineering 2020-06, Vol.42 (6), Article 332
Main Authors: Khayat, Majid, Baghlani, Abdolhossein, Dehghan, Seyed Mehdi
Format: Article
Language:English
Subjects:
Bessel functions
Cylindrical shells
Dynamic response
Engineering
Fluid filled shells
Fourier series
Free surfaces
Functionally gradient materials
Material properties
Mechanical Engineering
Parameters
Polynomials
Shells
Stiffeners
Storage tanks
Technical Paper
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Summary:In this study, semi-analytical boundary method is adopted to examine dynamic parameters of partially fluid-filled cylindrical shells made of functionally graded materials. Material properties are assumed to radially variable in terms of volume fraction of ceramic and metal according to a simple power law distribution. The shells are reinforced by stiffeners in which the material properties of shell and stiffeners are assumed to be continuously graded in thickness direction. Displacements and rotations of the shell middle surface, the liquid velocity potential function and the free surface displacements are approximated by combining polynomial functions in meridian direction and truncated Fourier series and Bessel function. A detailed numerical study is carried out to investigate the effects of different parameters on dynamic response of stiffened functionally graded partially fluid-filled shell.
ISSN:1678-5878
1806-3691
DOI:10.1007/s40430-020-02407-1