摘要
BasedonthedoubleFourierintegralrepresentationforsteadyviscousshipwaves,whichinvolvesagenericamplitudefunctionandacomplexdispersionrelation,thephasefunctionforthree-dimensionalshipwavesinthefarfieldwasasymptoticallyderivedbymeansoftheLighthilltwo-stageschemecombiningtheCauchyresiduetheoremandthemethodofsteepestdescents,andtheeffectofviscosityonwavelengthswasnumericallyinvestigatedwiththeNewtoniterationmethod.Itisfoundthatthetransverseanddivergingwavesareelongatedduetothepresenceofviscosityandthelatterismoreheavilyaffectedandthatthephasedifferencesbetweentheviscoustransverseanddivergingwavesarelargerthanthoseofthecorrespondinginviscidwaves.
出版日期
2005年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)