摘要
Uptonow,therearenosatisfactorynumericalmethodsforsimulatingwaveresistanceoftrimarans,mainlyduetothedifficultyrelatedwiththestrongnonlinearfeaturesofthepiecehullwavemakingandtheirinterference.Thisarticleproposesanumericalmethodforquickandeffectivecalculationofwaveresistanceoftrimaranstobeusedinengineeringapplications.BasedonWyatt'swork,thenonlinearfreesurfaceboundarycondition,thetimedomainconcept,andthefullnonlinearwavemakingtheory,usingtheRankinesourceGreenfunction,the3-Dsurfacepanelmethodisexpandedtosolvethetrimaranwavemakingproblems,withhighordernonlinearfactorsbeingtakenintoaccount,suchastheinfluenceofthesinkingandtrim,transom,andshipwaveimmersedhullsurface.Andthesoftwareissuccessfullydevelopedtoimplementthemethod,whichisvalidated.Severaltrimaranmodels,includingapracticaltrimaranwithasonardomeandthetransom,areusedasnumericalcalculationsamples,theirwavemakingresistanceiscalculatedbothbythepresentmethodandsomeothermethodssuchaslinear(Dawson)methods.Moreover,samplemodelresistancetestswerecarriedouttoprovidedataforcomparison,validationandanalysis.Throughthevalidationbymodelexperiments,itisconcludedthatpresentmethodcanwellpredictthewavemakingresistance,sinkingandtrim,andtheaccuracyofwavemakingresistancecalculationissignificantlyimprovedbytakingthetrimandsinkingintoaccount,especiallyathighspeeds.
出版日期
2011年02月12日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)