Projects / Programmes
Modelling and Simulation of Solid-Liquid Processes
| Code |
Science |
Field |
Subfield |
| 2.13.00 |
Engineering sciences and technologies |
Process engineering |
|
| Code |
Science |
Field |
| T000 |
Technological sciences |
|
Solid-liquid processes, transport phenomena, Stefan problem, meshless numerical methods, radial basis functions, porous media, melting, dissolution, freezing, solidification, macrosegregation.
Researchers (5)
| no. |
Code |
Name and surname |
Research area |
Role |
Period |
No. of publicationsNo. of publications |
| 1. |
25793 |
PhD Igor Kovačević |
Process engineering |
Junior researcher |
2005 - 2007 |
0 |
| 2. |
20174 |
Janez Perko |
Process engineering |
Researcher |
2004 - 2005 |
0 |
| 3. |
04101 |
PhD Božidar Šarler |
Process engineering |
Head |
2004 - 2007 |
0 |
| 4. |
23018 |
PhD Robert Vertnik |
Manufacturing technologies and systems |
Technical associate |
2004 - 2007 |
0 |
| 5. |
22613 |
Miha Založnik |
Materials science and technology |
Researcher |
2004 |
0 |
Organisations (1)
| no. |
Code |
Research organisation |
City |
Registration number |
No. of publicationsNo. of publications |
| 1. |
1540 |
University of Nova Gorica |
Nova Gorica |
5920884000 |
0 |
Abstract
The scientific goals of this research project focus on enhancement of the physical modelling capabilities and further development of numerical methods for solid-liquid processes. The physical modelling of solid-liquid systems will be based on volume-averaged one-phase micro-macroscopic continuum mechanics formulation. This framework will be used to study the equiaxed and columnar solidification by connecting the macroscopic transport phenomena with the microstructure evolution. The mass, momentum, energy and species equations will be simultaneously solved on microscopic and macroscopic levels. The emphasis will be put on the development of simulation system for prediction of macrosegregation. The effective properties will be numerically determined and the model assumptions will be validated based on laboratory experiments with transparent binary mixtures (NH4Cl-H2O), simple metallic binary alloys (Pb-Sn) and data from technological processes with multicomponent alloys of industrial interest (Al-Cu-Mg). The development of numerical methods will focus on coping with the realistic, geometrically complex three-dimensional solid-liquid systems by the meshless radial basis function methods. Strategies involving Hermite collocation, domain decomposition with different grid refinement levels, r-adaptivity, compactly supported and multilevel radial basis functions will be applied for handling the involved large number of unknowns and multiscales. The existing comparison exercises for Stefan problems will be complemented with new benchmarks for solidification of multicomponent systems. The present study is expected to gain new, experimentally verified basic knowledge regarding the physical modelling of solid-liquid processes and meshless solution of relevant coupled set of transport equations. The study is expected to influence further experimental and theoretical developments, design and education. Specific upgrades of the deduced basic knowledge will be used for simulation of various processes in nature and technology. Organisation of two international conferences, special issues of two international journals, and an edited book on modelling and simulation of Stefan problems are scheduled in the framework of this project.
