{"refrec":{"BRefID":114904,"RR":"<b>Beck, R.F.</b> (1976). Forces and moments on a ship moving in a canal. <i>NA & ME Technical Reports</i>, 179. Michigan University: Ann Arbor.  46 pp.","BEntID":109304,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>NA & ME Technical Reports</i>, 179. Michigan University: Ann Arbor.  46 pp.","DocTypID":13,"DocType":"Reports","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Beck, R.F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Beck, R.F.","Englishabstract":"The method of matched asymptotic expansions is applied to the problem of a ship moving with constant velocity in a channel of rectangular cross-section. The depth of the channel is presumed small so that a linearized shallow-water solution is developed. The ship is assumed to be slender and is replaced in the outer region by a distribution of sources and vortices. 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