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EnglishWellnessandcomfortonboardareonesofthemostimportantfactorsinshipdesignandmaybe considered thekeycriteriontoachievethebestseakeepingperformancesforpassengervessels.Inthis respect itispossibletoachieveappreciableseakeepingimprovementsbyonlyvaryingseveralhullform parameters,evenifshipmaindimensionsanddisplacementhavebeenalready fixed.Inthepapera new index,namelytheOverallMotionSicknessIncidence(OMSI),defined asthemeanMSIvalueonthe main deck,isproposedandassumedasparametertobeminimizedinasingle-objectiveoptimization procedure.ParametricmodellingisusedtogenerateseveralhullformsderivedbytheNPLsystematic series and,despiteofclassicalmethodswheretheoptimizationproceduresarecarriedoutinregular head waves,variousheadinganglesandtwooperatingscenariosareconsideredinaseaway,described by theJONSWAPSpectrum.Theoptimumhullis finally generatedandrelevantverticalaccelerationsat some criticalpointsonthemaindeck,aswellasheave,pitchandrollspeedpolarplots,arecompared with theparentones.
| Titolo: | Passenger ship seakeeping optimization by the Overall Motion Sickness Incidence | |
| Autori: | ||
| Data di pubblicazione: | 2014 | |
| Rivista: | ||
| Abstract: | Wellnessandcomfortonboardareonesofthemostimportantfactorsinshipdesignandmaybe considered thekeycriteriontoachievethebestseakeepingperformancesforpassengervessels.Inthis respect itispossibletoachieveappreciableseakeepingimprovementsbyonlyvaryingseveralhullform parameters,evenifshipmaindimensionsanddisplacementhavebeenalready fixed.Inthepapera new index,namelytheOverallMotionSicknessIncidence(OMSI),defined asthemeanMSIvalueonthe main deck,isproposedandassumedasparametertobeminimizedinasingle-objectiveoptimization procedure.ParametricmodellingisusedtogenerateseveralhullformsderivedbytheNPLsystematic series and,despiteofclassicalmethodswheretheoptimizationproceduresarecarriedoutinregular head waves,variousheadinganglesandtwooperatingscenariosareconsideredinaseaway,described by theJONSWAPSpectrum.Theoptimumhullis finally generatedandrelevantverticalaccelerationsat some criticalpointsonthemaindeck,aswellasheave,pitchandrollspeedpolarplots,arecompared with theparentones. | |
| Handle: | http://hdl.handle.net/11367/30581 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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