{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T09:31:53Z","timestamp":1774603913908,"version":"3.50.1"},"reference-count":18,"publisher":"Vilnius Gediminas Technical University","issue":"6","content-domain":{"domain":["journals.vgtu.lt"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:p>We study the problem of double-diffusive convection in a horizontal plane fluid layer when there is a heat sink\/source which is linear in the vertical coordinate which is in the opposite direction to gravity. The thresholds for linear instability are found and compared to those derived by a global nonlinear energy stability analysis. A region is discovered where a very sharp increase in Rayleigh number is observed. In addition to a linearized instability analysis, two global (unconditional) nonlinear stability thresholds are derived.<\/jats:p>","DOI":"10.3846\/13926292.2017.1384765","type":"journal-article","created":{"date-parts":[[2017,11,27]],"date-time":"2017-11-27T09:32:30Z","timestamp":1511775150000},"page":"809-826","update-policy":"https:\/\/doi.org\/10.3846\/mma_policy","source":"Crossref","is-referenced-by-count":22,"title":["TRIPLY RESONANT DOUBLE DIFFUSIVE CONVECTION IN A FLUID LAYER"],"prefix":"10.3846","volume":"22","author":[{"given":"Akil J.","family":"Harfash","sequence":"first","affiliation":[{"name":"University of Basrah"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fahad K.","family":"Nashmi","sequence":"additional","affiliation":[{"name":"University of Basrah"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2209","published-online":{"date-parts":[[2017,11,21]]},"reference":[{"key":"CIT0001","doi-asserted-by":"publisher","DOI":"10.1512\/iumj.2007.56.2997"},{"key":"CIT0003","doi-asserted-by":"publisher","DOI":"10.1007\/s10404-011-0924-0"},{"issue":"5","key":"CIT0004","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1515\/ijnsns-2015-0139","volume":"17","author":"Harfash A.J.","year":"2016","journal-title":"International Journal of Nonlinear Sciences and Numerical Simulation"},{"key":"CIT0005","doi-asserted-by":"publisher","DOI":"10.1016\/j.amc.2016.01.006"},{"key":"CIT0006","doi-asserted-by":"publisher","DOI":"10.1142\/S0129183116501011"},{"key":"CIT0007","doi-asserted-by":"publisher","DOI":"10.1007\/s11012-015-0215-z"},{"key":"CIT0008","doi-asserted-by":"publisher","DOI":"10.1108\/HFF-03-2015-0092"},{"issue":"3","key":"CIT0010","first-page":"1","volume":"67","author":"Hill A.A.","year":"2016","journal-title":"Zeitschrift f\u00fcr angewandte Mathematik und Physik"},{"key":"CIT0011","first-page":"85","volume":"102","author":"Ladyzhenskaya O.A.","year":"1967","journal-title":"Trudy Matematicheskogo Instituta Imeni VA Steklova"},{"issue":"70","key":"CIT0012","doi-asserted-by":"crossref","first-page":"73","DOI":"10.1090\/trans2\/070\/15","volume":"2","author":"Ladyzhenskaya O.A.","year":"1968","journal-title":"Am. 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