Roll Motion of Yachts at Zero Froude Number
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Yachts tend to roll uncomfortably whilst at anchor, causing discomfort to the crew and passengers, generating stresses on equipment, and making operations such as embarking and disembarking hazardous activities. A research program is under way to better understand the design factors and environmental influences leading to the rolling problem, with a view to providing effective solutions. A numerical model has been written which incorporates the results of tests on stylised keels under forced oscillation and the results compared with full scale trials on a yacht. The results holdinteresting implications for the design of those yachts for which safety and comfort when not under way are important criteria.
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Klaka, Kim; Penrose, John; Horsley, Richard; Renilson, M. (2005)The forces and moments acting on a vertical flat plate in open flow running normal to the surface of the plate have been subject to investigation for several decades. However, the forces and moments acting on surface-piercing ...
Klaka, Kim; Krokstad, Jorgen; Renilson, M. (2003)The roll motion of a yacht at zero Froude number is investigated, motivated by limitations of existing theoretical models of roll motion when applied to bodies with large appendages. A time domain single degree of freedom ...
Klaka, Kim; Penrose, John; Horsley, Richard; Renilson, M. (2006)AbstractThe forces and moments acting on an oscillating plate at inflow angles at or below stall are well understood. However, there is ashortage of data on surface-piercing plates undergoing rotational oscillation. A set ...