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Št. zadetkov: 5
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)
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: 5
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