船舶操纵性指数K、T计算机仿真数值模拟计算

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1、重庆交通大学硕士学位论文船舶操纵性指数K、T计算机仿真数值模拟计算姓名：李晓飚申请学位级别：硕士专业：水利工程指导教师：蔡汝哲20081201AbstractAnewtechnologythatstudytheproblemofinlandnavigationbymeansofsmall．scaleshipmodelisappliedincountryandoverseabroadlytoday。theproblemofmaneuverabilityresemblancebetweenship．modelandactualshipiSallthewayemphasis

2、andnodusoftechnologyofship．modelsimulation，thegainofactualshipmaneuverabilityindexK、Tisexperimentwithuponactualshipzigzagmotionfrequently，itwillwasteaconsiderableofmanpower、materialresourcesandfinancialpower，experimentcycleiSalsotoolong，theactualshipexperimentislargeinfluencebywaterarea

3、conditionandmeteorologicalcondition(nowind、nowatercurrent)，thatwillconscribeapplicationofactaulshipexperimenthugely。ifwebuildmotionemulationmodelofactaulshipbycomputerandthegainofactualshipmaneuverabilityindexK、TisgetbyemulativecalculationwhenshipiSsteering，thismethodwillsaveexperimentf

4、undingandshortenexperimentcyclehugely。T11iSpaperexploreandstudyshipmaneuverabilityinrespecttotheory，buildshipmaneuverabilitymathmodel，getactualshipmaneuverabilityindexK、Tbyemulativecalculationofactualshipzigzagexperiment，calibrateandamendemulativeresultaccordingtocalibratingtestingdatao

5、factualshipandship-model，optimizeshipmaneuverabilitymathmodelthatappliedinpracticeatprecision。thepaperismadeupbysixchapters：thefrstchapteriSprolegomenon，inthissectionitmainlyintroducethatpurposeandsignificationofstudyproject，atthesametime，introducethestudyingstatusofincountryandoversea。

6、thesecondchapterbuildshipmaneuverabilitymathmodelbybuildingshipmotioncoordinate，determinateallkindsofforceinmotionequation，totheendofchapter，non．dimensionanalyseshipmaneuverabilitymotionequation。thethirdchaptersimplifyshipmaneuverabilitymotionequationandsolveitthroughRunge—Kuttamethod。t

7、hefourthchapterintroducemainlyphysicalmeaningandcomputationalmethodofshipmaneuverabilityindex。thefifthchaptertalksabouttheprocedureofprogrammingshipmaneuverabilitymotionemulationandemulativecalculateactualshipdatainhand，atlast，analysecalculatingdatacomparewithactualshipexperime