# Application developments of mixed finite element method for fluid-structure interaction analysis in maritime engineering

Xing, J.T., Xiong, Y.P. and Tan, M.Y. (2009) Application developments of mixed finite element method for fluid-structure interaction analysis in maritime engineering. In, Proceedings of Marstruct 2009: Analysis and Design of Marine Structures. 2nd International Conference on Marine Structures. Marstruct 2009: Analysis and Design of Marine Structures. 2nd International Conference on Marine Structures London, UK, Taylor & Francis, 83-92.

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## Description/Abstract

The application developments of a mixed finite element method for transient dynamic analysis of fluid-structure interaction systems (FSIS) in maritime engineering are summarised in this paper. Following the mathematical equations governing generalised FSIS, three problems involving maritime engineering, de-veloped in Marstruct Project, are presented to illustrate the applications of the developed numerical method. Problem 1 investigates the sloshing frequencies of a liquid storage tank and its dynamic response excited by the El Centro earthquake data. Problem 2 analyses the dynamic response of a LNG tank-water interaction sys-tem subject to an explosion pressure wave on a water boundary. Problem 3 considers the dynamic response of a structure-acoustic volume interaction system subject to human footfall impacts, which may be used to simu-late ship deck vibration caused by human footfall loads to obtain a comfortable living environment of passen-gers. The numerical results are discussed and analysed to provide the related guidelines for the designs of maritime products involving fluid-structure interactions.

Item Type: Book Section
Keywords: fluid-structure interactions, mixed finite element method, transient dynamic analysis, maritime engineering, sloshing, earthquaker esponse, lng tank-water interaction, explosion pressure, structure-acoustic volume interaction, human footfall impacts
Subjects: V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
Q Science > QA Mathematics
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Fluid-Structure Interactions
ePrint ID: 65866
Accepted Date and Publication Date:
Status
16 March 2009Published
December 2008Submitted
Date Deposited: 20 Mar 2009
URI: http://eprints.soton.ac.uk/id/eprint/65866