Lado Kranjcevic

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Sažetak: Analizira se utjecaj numeričke mreže na efikasnost numeričkog modela i na kvalitetu rezultata kroz matematički model plitkih voda u 2D slučaju, odnosno Navier-Stokesov model strujanja fluida u 3D slučaju. U obama slučajevima koristi se implicitna numerička shema koja pretpostavlja rješavanja linearnog sustava u svakom vremenskom koraku. U 2D(More)
The numerical hydraulic simulation of pipe networks calculates the heads and discharges at the inner points of pipes and other non-pipe elements of the network. Besides these calculations, contaminant and solutes spreading in the pipe network can be of interest, too. The contamination spreading through the water-distribution pipe networks is controlled(More)
Bathing water quality is a major public health issue, especially for tourism-oriented regions. Currently used methods within EU allow at least a 2.2 day period for obtaining the analytical results, making outdated the information forwarded to the public. Obtained results and beach assessment are influenced by the temporal and spatial characteristics of(More)
In this paper, we consider a well-balanced semi-implicit one parameter family of schemes. The presented schemes are a generalization of the well-balanced upwind explicit finite volume schemes. The schemes are applied to the Saint Venant open channel flowequations. The main feature of the presented schemes is their balancing property, achieved even for the(More)
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