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Identification of dangerous LNG sloshing using a rapid sloshing model validated with computational fluid dynamics

Record type: Conference or Workshop Item (Paper)

A non-linear pendulum model is developed to represent the motion of a sloshing fluid in real time. The forces imposed by the sloshing fluid are identified using multiphase RANS CFD simulations and subsequently included in the pendulum sloshing model. The pendulum sloshing model was used to simulate sloshing induced by linear and angular motions at and near resonance. Good agreement between the CFD data and the pendulum sloshing model was observed. A blind simulation with multiple surge excitation components is carried out and the pendulum sloshing model agrees with the RANS CFD result. Typically, the computational time of the pendulum is approximately 1/700th of real time.

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Citation

Godderidge, Bernhard, Turnock, Stephen, Earl, Chris and Tan, Mingyi, (2008) Identification of dangerous LNG sloshing using a rapid sloshing model validated with computational fluid dynamics Chung, J.S., Grilli, S.T., Naito, S. and Ma, Q. (eds.) In The Proceedings of the Eighteenth (2008) international Offshore and Polar engineering conference. International Society of Offshore and Polar Engineers (ISOPE). 8 pp, pp. 170-177.

More information

Published date: July 2008
Venue - Dates: 18th International Offshore and Polar Engineering Conference (ISOPE 2008), 2008-07-06 - 2008-07-11
Keywords: sloshing, multiphase, CFD, simplified sloshing models, nonlinear pendulum
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 55704
URI: http://eprints.soton.ac.uk/id/eprint/55704
ISBN: 9781880653708
PURE UUID: 854ba714-9036-44a7-bcc3-eb5966020342
ORCID for Stephen Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 05 Aug 2008
Last modified: 17 Jul 2017 14:32

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Contributors

Author: Bernhard Godderidge
Author: Stephen Turnock ORCID iD
Author: Chris Earl
Author: Mingyi Tan
Editor: J.S. Chung
Editor: S.T. Grilli
Editor: S. Naito
Editor: Q. Ma

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