Comparison of various approaches to numerical simulation of ship resistance and propulsion

Badoe, C.; Winden, B.; Lidtke, A.K.; Phillips, A.B.; Hudson, D.A.; Turnock, S.R.. 2014 Comparison of various approaches to numerical simulation of ship resistance and propulsion. In: SIMMAN 2014: workshop on verification and validation of ship manoeuvring Simulation Methods, Lyngby, Denmark, 08- 10 Dec 2014. Denmark, Force Technology, 7pp.

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The operation of a marine propeller dominates the flow interaction effects and alters the resistance on an upstream hull and the forces on a downstream rudder. A study is carried out into how these effects can be resolved by comparing four different methods. A classical prescribed body force approach in which an averaged nominal wake is used as input for the propeller model with prescribed thrust and torque; Two coupled BEMt-RANS solver which accounts for the non-uniform inflow into the propeller and a time resolved discretize propeller approach employing the use of an Arbitrary Mesh Interface model (AMI). The main differences between these four methods are also outlined quantitatively. The accurate results obtained using the two coupled BEMt-RANS approaches makes them fast and robust methods which can be used for ship resistance and self-propulsion estimation in the initial design phase.

Item Type: Publication - Book Section
Additional Keywords: marine CFD, ship manoeuvring
Date made live: 31 Mar 2015 08:53 +0 (UTC)

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