Month: April 2009

The 3D numerical model of macrosegregation in steel ingot during continuous casting with soft reduction

by

The 3D numerical model of macrosegregation in steel ingot during continuous casting with soft reduction Tomasz Rec, Andrzej Milenin AGH University of Science and Technology, al Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0233 Abstract: The 3D numerical model of macrosegregation distribution in continuous casting ingot was presented in this work. The numerical implementation is discussed … Read more

Library of heuristic algorithms’ templates

by

Library of heuristic algorithms’ templates Norbert Sczygiol, Anna Wawszczak Institute of Computer and Information Sciences Czestochowa University of Technology ul. Dąbrowskiego 73, 42-200 Częstochowa. DOI: https://doi.org/10.7494/cmms.2009.2.0249 Abstract: Heuristic algorithms are used in almost every area of science, including technology, medicine and economics. People engaged in some particular problem often don’t have enough knowledge to implement … Read more

Cellular automata multi-component diffusion models

by

Cellular automata multi-component diffusion models Anna Paszyńska1, Maciej Paszyński2, Maciej Pietrzyk3, Bartłomiej Wierzba4 1Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, ul. Reymonta 4, 30-059 Kraków, Poland. 2Department of Computer Science, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. 3Department of Applied Computer Science and Modelling, AGH University of … Read more

Rough set formalization of an inference process in a DOE supporting expert system

by

Rough set formalization of an inference process in a DOE supporting expert system Jacek Pietraszek Mechanical Engineering Department, Cracow University of Technology,,Al. Jana Pawła II 37, 31-864 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0250 Abstract: The purpose of the paper was an inference process’s formalization – in terms of a rough sets theory – of an existing DOE … Read more

Modelling of microstructure evolution in hot work tool steels during service

by

Modelling of microstructure evolution in hot work tool steels during service Friedrich Krumphals1, Thomas Wlanis1, Christof Sommitsch1, Ivan Holzer2, Bernhard Sonderegger2, Volker Wieser3 1Christian Doppler Laboratory for Materials Modelling and Simulation, Chair of Metal Forming, University of Leoben, Franz-Josef-Strasse 18, 8700 Leoben, Austria. 2Institute for Materials Science and Welding, University of Technology, Kopernikusgasse 24, 8010 … Read more

Business rules management system for enterprises in iron and steel industry

by

Business rules management system for enterprises in iron and steel industry Andrzej Macioł, Bartłomiej Gaweł, Rafał Jankowski Faculty of Management, AGH University of Science and Technology,,ul. Gramatyka 10, 30-067 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0251 Abstract: The central idea behind Business Rules Engines (BRE) or Business Rules Management Systems (BRMS) is that any organization has a logic … Read more

Numerical modeling of bulk metal forming processes with induced strain path change

by

Numerical modeling of bulk metal forming processes with induced strain path change Łukasz Madej1, Stanisław Węglarczyk1, Franciszek Grosman2 1Department of Modeling and Information Technology, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. 2Department of Process Modelling and Medical Engineering Politechnika Śląska, ul. Krasińskiego 8, 40-019, Katowice, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0236 Abstract: A … Read more

Structuralization of knowledge about casting defects diagnosis based on rough sets theory

by

Structuralization of knowledge about casting defects diagnosis based on rough sets theory Stanisława Kluska-Nawarecka1, Dorota Wilk-Kołodziejczyk2, Grzegorz Dobrowolski2, Edward Nawarecki2 1Foundry Research Institute, Cracow, Poland. 2AGH University of Science and Technology, Cracow, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0252 Abstract: The rough information system is applied in order to structuralize knowledge about casting defects and their reasons, which are … Read more

Microstructural changes with selected extrusion variables in plastic deformation of complex-shaped lead alloy

by

Microstructural changes with selected extrusion variables in plastic deformation of complex-shaped lead alloy Joseph S. Ajiboye, Babatunde Idirisu Department of Mechanical Engineering, University of Lagos, Lagos, Nigeria. DOI: https://doi.org/10.7494/cmms.2009.2.0237 Abstract: This paper investigates the effects of changing die land length and web to flange ratio on the pressure and surface structures of cold plastic deformation … Read more

Parallel evolutionary optimization in multiscale problems

by

Parallel evolutionary optimization in multiscale problems Wacław Kuś1, Tadeusz Burczyński1,2 1Department for Strength of Materials and Computational Mechanics, Silesian University of Technology, Konarskiego 18a, 44-100 Gliwice, Poland. 2Institute of Computer Modelling, Artificial Intelligence Section, Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0253 Abstract: The paper is devoted to optimization in multiscale problems. … Read more