{"refrec":{"BRefID":57616,"RR":"<b>Guizheng, Z.; Xuren, H.; Delun, X.</b> (2004). A discrete correction scheme for envelope approach of wave group statistics. <i>Coast. Eng. 50(4)</i>: 225-230. <a href=\"https://dx.doi.org/10.1016/j.coastaleng.2003.10.002\" target=\"_blank\">https://dx.doi.org/10.1016/j.coastaleng.2003.10.002</a>","BEntID":55198,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Coast. Eng. 50(4)</i>: 225-230. <a href=\"https://dx.doi.org/10.1016/j.coastaleng.2003.10.002\" target=\"_blank\">https://dx.doi.org/10.1016/j.coastaleng.2003.10.002</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Guizheng, Z.; Xuren, H.; Delun, X.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Guizheng, Z.; Xuren, H.; Delun, X.","Englishabstract":"The existence of empty envelope excursions (EEE) brings error to the envelope approach of wave group statistics, which identifies wave group by envelope up crossing of a critical level. A group number correction scheme is suggested in this paper to exclude EEE from wave group statistics. To this end, the Ditlevson and Lindgren [J. Sound Vib. 122 (1988) 571] theory about the fraction of empty excursion envelopes (FEEE) is examined to see if it fits for ocean waves. The sea waves are simulated with Monte Carlo method and with P-M and JONSWAP spectrums. The values of FEEE of the simulated waves are investigated and compared with the theory of Ditlevson and Lindgren. The comparison shows that, at the second-order approximation, theoretical predictions of FEEE are close to those derived from simulations. This approximate analytical expression of FEEE is then employed to form a group number correction scheme. Comparisons between numerical and theoretical results of wave group properties show that this correction scheme is quite effective.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A discrete correction scheme for envelope approach of wave group statistics","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-30 01:31:07.228345","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2004,"MonPub":null,"DateUpdate":"2024-06-03","DateCreate":"2004-02-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.coastaleng.2003.10.002"},"refs":null,"anarec":{"AnaID":57616,"PubliDate":2004,"Pagination":"225-230","XtraPublOfAnaID":null,"ISBN":null,"Volume":"50","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":203120,"SerRR":"Coastal Engineering: An International Journal for Coastal, Harbour and Offshore Engineers. 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