{"refrec":{"BRefID":219707,"RR":"<b>Le Roux, D.Y.; Hanert, E.; Rostand, V.; Pouliot, B.</b> (2009). Impact of mass lumping on gravity and Rossby waves in 2D finite-element shallow-water models. <i>Int. J. Numer. Methods Fluids 59(7)</i>: 767-790. <a href=\"http://dx.doi.org/10.1002/fld.1837\" target=\"_blank\">http://dx.doi.org/10.1002/fld.1837</a>","BEntID":211441,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Int. J. Numer. Methods Fluids 59(7)</i>: 767-790. <a href=\"http://dx.doi.org/10.1002/fld.1837\" target=\"_blank\">http://dx.doi.org/10.1002/fld.1837</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Le Roux, D.Y.; Hanert, E.; Rostand, V.; Pouliot, B.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Le Roux, D.Y. <i>et al.</i>","Englishabstract":"The goal of this study is to evaluate the effect of mass lumping on the dispersion properties of four finite-element velocity/surface-elevation pairs that are used to approximate the linear shallow-water equations. For each pair, the dispersion relation, obtained using the mass lumping technique, is computed and analysed for both gravity and Rossby waves. The dispersion relations are compared with those obtained for the consistent schemes (without lumping) and the continuous case. The <em>P</em><sub>0</sub>-<em>P</em><sub>1</sub>, <em>RT</em><sub>0</sub> and <em>P</em><span><img alt=\"math image\" src=\"http://onlinelibrary.wiley.com/store/10.1002/fld.1837/asset/equation/tex2gif-stack-1.gif?v=1&t=h95cwc18&s=201f8b7b0f58367be7e28ec2db6c2d7fca436bf6\" class=\"inlineGraphic\" /></span>-<em>P</em><sub>1</sub> pairs are shown to preserve good dispersive properties when the mass matrix is lumped. Test problems to simulate fast gravity and slow Rossby waves are in good agreement with the analytical results.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Impact of mass lumping on gravity and Rossby waves in 2D finite-element shallow-water models","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-19 01:31:32.685775","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"    shallow-water equations;     finite elements;     mass lumping;     gravity waves;     Rossby waves","OtherDescriptors":null,"Notes":null,"AnaPub":2009,"MonPub":null,"DateUpdate":"2018-02-13","DateCreate":"2012-11-05","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000263573700003","VABBcode":null,"OpenAcc":0,"DOI":"10.1002/fld.1837"},"refs":null,"anarec":{"AnaID":219707,"PubliDate":2009,"Pagination":"767-790","XtraPublOfAnaID":null,"ISBN":null,"Volume":"59","Issue":"7","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43155,"SerRR":"International Journal for Numerical Methods in Fluids. Wiley Interscience: Chichester; New York.  ISSN 0271-2091; e-ISSN 1097-0363","StandardTitleSer":"International Journal for Numerical Methods in Fluids","ISSN":"0271-2091","AbbrevSer":"Int. J. Numer. 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