Lloyd's Register has been contracted by the U.K. MoD Sea Technology Group
to develop a set of technical rules that will cover the design and
operation of multi-hull vessels including trimarans. The development will use data that has been collected from the two-year trials programme
carried out by the UK MoD and the US DoD on RV Triton, the QinetiQ-owned research vessel
The need to provide a set of Rules that will significantly reduce the risks in the development of designs for such future projects as the UK's
Future Surface Combatant or the US Focused-Mission Ship is key to achieving the benefits that multi-hull warships offer. With the more
complex hull response from torsional effects of side hulls, a method of designing this type of vessel, without the need to build complex finite
element models, is one of the major challenges facing ship designers. By providing a simplified process that uses proven data embedded in
empirical formulae, designers can obtain a robust design in a much shorter timeframe. Advanced tools can then be used to refine innovative
designs, with confidence that the general design is sound.
The Trimaran Rules will complement the existing Lloyd's Register Rules for Naval Vessels that
are now uniquely being applied to a range of new
and in service front line naval vessels for maintenance in Lloyd's Register class
With significant commercial interest in vessels with similar hull forms, including Pentamarans, the embedding of military research findings in
public domain technical standards offers similar lower risks for other projects.