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Dvodimenzionalno modeliranje toka s prosto gladino = Two-dimensional modelling of free surface flowČetina, MatjažNajprej so opisane teoretične osnove dvodimenzionalnih (2D) globinsko povprečnih modelov PCFLOW2D in PCFLOW2D-CURVE. Temeljne enačbe kontinuitete, ohranitve gibalne količine ter transporta ... turbulentne kinetične energije na enoto mase in stopnje mjene disipacije so rešene s pomočjo numerične metode končnih volumnov. Prikazanih je več primerov izračuna tokov; stalni tok v ožini reke Idrijce, dvodimenzionalni tok reke Savinje v Laškem, nestalni tok po porušitvi pregrade v hipni razširitvi in tok zaradi plime in oseke v sistemu treh mehiških pacifiških lagun Jitzamuri, Agiabampo in Bacorehuis. Primerjava rezultatov z meritvami v naravi in na fizičnih modelih je pokazala zadovoljivo ujemanjeSource: Acta hydrotechnica. - ISSN 0352-3551 (Let. 18, št. 29, 2000, str. 23-37)Type of material - article, component partPublish date - 2000Language - slovenian, englishCOBISS.SI-ID - 1200993
Author
Četina, Matjaž
Topics
dvodimenzijsko matematično modeliranje |
globinsko povprečni model |
krivočrtne koordinate |
ožina Idrijce |
Savinja |
Laško |
porušitveni val |
mehiške lagune |
two-dimensional modelling |
depth-averaged model |
curvilinear coordinates |
Idrijca River narrow |
Savinja |
Laško |
dam-break wave |
Mexican lagoons
Shelf entry
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Četina, Matjaž | 08247 |
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