cmms Modelling of grains medium cracking in semi-solid region Norbert Sczygiol, Grzegorz Szwarc Politechnika Częstochowska. DOI: https://doi.org/10.7494/cmms.2005.3.0077 Abstract: The paper deals with methodology of determination stresses in a solidifying semi-solid medium. Finite Element Method is used for numerical solution of the problem. The kinetics of the solidification on the level of grain in the micro structure … Read more
Use of CFD modeling to simulate EAF off-gas duct flow Mirosław Karbowniczek, Marcin Kawałkowski AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2005.3.0073 Abstract: This article includes basic information about working of electric arc furnace (EAF) and modern research method – Computational Fluid Dynamics (CFD) – used among other things in metallurgy fields. Paper also contains few samples … Read more
Simulation of oxide scale failure during multipass hot rolling and related product defects Michał Krzyżanowski1, J.H. Beynon2 1The University of Sheffield. 2University of Technology, Melbourne, Australia. DOI: https://doi.org/10.7494/cmms.2005.3.0074 Abstract: The advanced physically based finite element model of the roll-stock interface developed at earlier stages of the research for a single rolling pass has been extended … Read more
Back to origins Ryszard Tadeusiewicz AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2005.1.0067 Abstract: Modelling of the human brain was the initial goal of the first applications of neural networks. Later it appeared, that artificial neural networks became a very useful and effective tool in modelling of complex problems in almost all domains. The objective … Read more
Surface images analysis in sliding friction process Zbigniew Rudnicki, Zbigniew Mikrut AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2005.1.0068 Abstract: The presented work investigates a possibility of using computer image analysis methods in tribological tests of some PTFE composites, which are often applied in sliding bearings production. The images of friction traces, deposited by tested … Read more
Application of the artificial intelligence method in modelling of the copper flash smelting process Agnieszka Śledzińska, Jolanta Talar, Jan Kusiak AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2005.1.0069 Abstract: The objective of the work is assessment of the effectiveness of the use of artificial intelligence methods in modelling of the copper flash smelting process. Bayesian … Read more
Computer aided detection of sources of product defects Andrzej Kochański Politechnika Warszawska. DOI: https://doi.org/10.7494/cmms.2005.1.0070 Abstract: Manufacturing of products without defects is potentially possible in two ways: severe selection of faulted final products or improvement of the manufacturing technology. The paper deals with the problem of detection of defects of metallic casts. The main objective of … Read more
Some aspects of information processing and knowledge standarization oriented to the needs of metallurgical industry Stanisława Kluska-Nawarecka, Grzegorz Dobrowolski, Edward Nawarecki AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2005.1.0071 Abstract: Based on the previously published idea of systems with explicit knowledge representation, the paper discusses methodological aspects of design and implementation of an information system … Read more
Generation of multicriterion strategies decisions using Kohonen neural networks Radomir Domaradzki1, Janusz Morajda2 1AGH University of Science and Technology. 2Akademia Ekonomiczna w Krakowie. DOI: https://doi.org/10.7494/cmms.2005.1.0072 Abstract: A method of generation of initial grouping of input values vectors, using self-organizing neural network – Kohonen network as an instrument, is described in this work. This main aim … Read more
Spectral Galerkin method for solving Poisson equation in axisymmetric domain Bogusław Bożek, Daniel Delimata AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2004.4.0061 Abstract: This work presents spectral Galerkin method for solving Poisson Equation in axisymmetric domain. Computational equations are introduced in the way that allow measy computer programing. Paper contains some calculation examples which use … Read more