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The interactive dynamic behaviour of an air-liquid-elastic spherical tank system

The interactive dynamic behaviour of an air-liquid-elastic spherical tank system
The interactive dynamic behaviour of an air-liquid-elastic spherical tank system
The dynamic behaviour of an air-liquid-elastic spherical tank interaction system is investigated. The tank is fully filled with a non-viscous liquid and air and supported at four equally spaced positions around the outer shell. The governing equations describing this system are presented. A mixed displacement–pressure finite element method is developed adopting the dynamic pressure in the liquid / air and the displacement in the elastic solid as variables to initiate a numerical model incorporating a substructure-subdomain approach. Numerical simulations are presented based on a developed computer program FSIAP. The natural sloshing frequencies and the corresponding vibration modes of the coupled system are derived. To reveal different interactive mechanisms, four cases are investigated. Namely, 1) liquid sloshing in a rigid tank; 2) air-liquid interactions in a rigid tank; 3) liquid-elastic tank interactions; 4) three phase air-liquid-tank interactions. The numerical results obtained demonstrate the complex coupled behaviour of the system. This study provides information for the design of liquid / gas filled tanks in which structure sloshing behaviour is of interest.
air-liquid-tank interactions, mixed displacement–pressure finite element analysis model, sloshing frequencies and modes
0791837823
1-8
Xiong, Y.P.
51be8714-186e-4d2f-8e03-f44c428a4a49
Xing, J.T.
d4fe7ae0-2668-422a-8d89-9e66527835ce
Price, W.G.
b7888f47-e3fc-46f4-9fb9-7839052ff17c
Xiong, Y.P.
51be8714-186e-4d2f-8e03-f44c428a4a49
Xing, J.T.
d4fe7ae0-2668-422a-8d89-9e66527835ce
Price, W.G.
b7888f47-e3fc-46f4-9fb9-7839052ff17c

Xiong, Y.P., Xing, J.T. and Price, W.G. (2006) The interactive dynamic behaviour of an air-liquid-elastic spherical tank system. In ASME PVP 2006 / ICPVT-11. pp. 1-8 .

Record type: Conference or Workshop Item (Paper)

Abstract

The dynamic behaviour of an air-liquid-elastic spherical tank interaction system is investigated. The tank is fully filled with a non-viscous liquid and air and supported at four equally spaced positions around the outer shell. The governing equations describing this system are presented. A mixed displacement–pressure finite element method is developed adopting the dynamic pressure in the liquid / air and the displacement in the elastic solid as variables to initiate a numerical model incorporating a substructure-subdomain approach. Numerical simulations are presented based on a developed computer program FSIAP. The natural sloshing frequencies and the corresponding vibration modes of the coupled system are derived. To reveal different interactive mechanisms, four cases are investigated. Namely, 1) liquid sloshing in a rigid tank; 2) air-liquid interactions in a rigid tank; 3) liquid-elastic tank interactions; 4) three phase air-liquid-tank interactions. The numerical results obtained demonstrate the complex coupled behaviour of the system. This study provides information for the design of liquid / gas filled tanks in which structure sloshing behaviour is of interest.

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More information

Published date: 2006
Keywords: air-liquid-tank interactions, mixed displacement–pressure finite element analysis model, sloshing frequencies and modes
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 42920
URI: http://eprints.soton.ac.uk/id/eprint/42920
ISBN: 0791837823
PURE UUID: 6457ef4b-e1fc-4d89-8573-83077bd4bc63
ORCID for Y.P. Xiong: ORCID iD orcid.org/0000-0002-0135-8464

Catalogue record

Date deposited: 20 Dec 2006
Last modified: 09 Jan 2022 03:04

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