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Št. zadetkov: 6
Modelling of macrosegregation of a low-frequency electromagnetic direct chill casting by a meshless method
Vanja Hatić, Božidar Šarler
Doktorska disertacija
Oznake: low-frequency electromagnetic casting;direct chill casting;macrosegregation;electromagnetic stirring;aluminium alloys;meshless methods;diffuse-approximate method;multiphysics model;solidification;
The main aim of the dissertation is to develop a meshless model that describes the solidification and macrosegregation phenomena during the direct chill casting (DCC) of aluminium alloys under the influence of a low-frequency electromagnetic field. Macrosegregation is an undesired consequence of all ...
Leto: 2019 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Simulation of macrosegregation in direct-chill casting
Vanja Hatić, Boštjan Mavrič, Božidar Šarler
Izvirni znanstveni članek
Oznake: direct-chill casting;macrosegregation;meshless methods;diffuse-approximate method;inlet design;realistic geometry;olidification;
A multiphysics numerical model has been developed for prediction of macrosegregation in direct-chill casting. The model uses volume averaged mass, momentum, energy, and species conservation equations to simulate the solidification of axisymmetric aluminium-alloy billets. The boundary conditions for ...
Leto: 2020 Vir: Fakulteta za strojništvo (UL FS)
Meshless simulation of a lid-driven cavity problem with a non-Newtonian fluid
Vanja Hatić, Boštjan Mavrič, Božidar Šarler
Izvirni znanstveni članek
Oznake: non-Newtonian fluid;power-law;meshless methods;diffuse-approximate method;lid-driven cavity;variable viscosity;complex geometry;
The purpose of the present paper is to solve the lid-driven cavity problem for a non-Newtonian power-law shear thinning and shear thickening fluid by a meshless method. Results are presented for Re = 100 and Re = 1000, where different levels of shear thinning and thickening are considered. Furthermo ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Numerično modeliranje tokovnih razmer v prehodu za vodne organizme tipa MABA
Lucija Babij, Gašper Rak, Vanja Hatić
Magistrsko delo
Oznake: magistrska dela;vodarstvo in okoljsko inženirstvo;prehod za vodne organizme (PZVO);ribja steza tipa MABA;2D numerično modeliranje;model turbulence k - epsilon;TELEMAC-2D;
Zaradi potrebe po ponovni vzpostavitvi rečnega kontinuuma, ki je na številnih vodotokih prekinjen zaradi izgradnje vodnogospodarskih objektov, sta pravilno načrtovanje in izvedba PZVO vitalnega pomena za ohranjanje biodiverzitete rečnega in obrečnega okolja. V sklopu naloge smo obravnavali PZVO tipa ...
Leto: 2026 Vir: Fakulteta za gradbeništvo in geodezijo (UL FGG)
Procesi toplotnega mešanja Save na območju bodočega bazena Brežice
Vanja Hatić, Matjaž Četina, Andrej Širca, Janko Logar, Alma Zavodnik Lamovšek
Diplomsko delo
Oznake: gradbeništvo;diplomska dela;UNI;toplotno obremenjevanje;mešalni procesi;mešalno območje;Brežice;Nuklearna elektrarna Krško;HOTRIVER;PCFLOW3D;CORMIX;
Procesi toplotnega mešanja Save na območju bodočega bazena Brežice
Leto: 2012 Vir: Fakulteta za gradbeništvo in geodezijo (UL FGG)
Multi-physics and multi-scale meshless simulation system for direct-chill casting of aluminium alloys
Božidar Šarler, Tadej Dobravec, Gašper Glavan, Vanja Hatić, Boštjan Mavrič, Robert Vertnik, Peter Cvahte, Filip Gregor, Marina Jelen, Marko Petrovič
Izvirni znanstveni članek
Oznake: aluminium alloys;direct-chill casting;computational mechanics;multi-scale modelling;multi-physics modelling;meshless methods;
This paper represents an overview of the elements of the user-friendly simulation system, developed for computational analysis and optimization of the quality and productivity of the electromagnetically direct-chill cast semi-products from aluminium alloys. The system also allows the computational e ...
Leto: 2019 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 6
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