The simulation of free surface flows with Computational Fluid Dynamics

Godderidge, B, Phillips, A.B., Lewis, S.G., Turnock, S.R., Hudson, D.A. and Tan, M. (2008) The simulation of free surface flows with Computational Fluid Dynamics. In, 2008 ANSYS UK User Conference: Inspiring Engineering, Oxford, UK, 29 - 30 Oct 2008. UK, ANSYS13pp.


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Computational fluid dynamics is a powerful and versatile tool for the analysis of flow problems encountered in the
maritime environment. The University of Southampton Fluid-Structure Interactions research group use ANSYS CFX to
model a wide variety of flow problems; to gain insight into flow physics, improve designs and increase the efficiency
and safety of marine vehicles. A series of three case studies from on-going research looks at: loads applied on liquefied
natural gas tanks due to sloshing, slamming pressures experienced by high speed craft as well as the influence of
propellers on the resistance characteristics of autonomous underwater vehicles. The presence of the free surface,
complex shapes and the unsteady nature of these applications make their simulation with computational fluid dynamics
particularly challenging. The successful validation of the computational models has resulted in the development of a
selection process for suitable multiphase models as well as cost-effective meshing strategies.

Item Type: Conference or Workshop Item (Paper)
Keywords: cfd, free surface, validation, hydrodynamics
Subjects: Q Science > QA Mathematics > QA76 Computer software
T Technology > TC Hydraulic engineering. Ocean engineering
V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Fluid-Structure Interactions
ePrint ID: 63856
Accepted Date and Publication Date:
October 2008Published
Date Deposited: 12 Nov 2008
Last Modified: 31 Mar 2016 12:48

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