Exploration of the damage stability characteristics of the trimaran surface combatant
Ordóñez, Luis Alberto
Calvano, Charles N.
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The new world situation and important changes in the military policy of the United States have made it necessary to find new alternatives for warships. Affordability, high performance and excellent seakeeping, combined with a high degree of survivability, are essentials for the new century. The trimaran hull form holds promise in fulfilling future needs of Navy combatants. This thesis attempts to make an evaluation of the response of the trimaran hull under nine (9) different cases of damage stability. The specifications of the multihull correspond to a '4600 Tonnes Trimaran Warship' in the process of being evaluated by NAVSEA. Many analysis problems were encountered because of the unusual type of tumble-home hull and the 'wavepiecer' shape of the bow. The results show an overall good response to a damage stability analysis. The critical case, unsurprisingly, has been found to be when one side hull is flooded and the tanks in the opposite hull are completely empty. Important conclusions and data were obtained, and future research areas are identified.
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