Papers

Applications of evolutionary shape optimization in forging Tadeusz Burczyński1, Wacław Kuś2 1Katedra Wytrzymałości Materiałów i Metod Komputerowych Mechaniki, Politechnika Śląska, ul. Konarskiego 18a, 41-100 Gliwice. 2Instytut Modelowania Komputerowego, Zakład Metod Sztucznej Inteligencji, Politechnika Krakowska, ul. Warszawska 24, 31-155 Kraków. DOI: https://doi.org/10.7494/cmms.2005.4.0080 Abstract: This paper is devoted to an application of evolutionary algorithms into optimal shape … Read more

Sensitivity analysis – methods and applications Danuta Szeliga AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2005.4.0081 Abstract: Literature review of sensitivity analysis methods and applications is presented in the paper. Sensitivity analysis is applied to the problems of input data and model parameters uncertainty and to model validation. Definition of structures, initial and boundary conditions, … Read more

The energy flow in the course of thermal processing and during formation of thin films Jacek Rońda, Ryszard Pęcherski, Bogusław Rajchel 1Wydział Inżynierii Metali i Informatyki Przemysłowej, Akademia Górniczo-Hutnicza, al. Mickiewicza 30, 30-059 Kraków. 2Instytut Mechaniki Budowli, Wydział Inżynierii Lądowej, Politechnika Krakowska, ul. Warszawska. 3Instytut Fizyki Jądrowej Polskiej Akademii Nauk im. H. Niewodniczańskiego, ul. Radzikowskiego … 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

Sensitivity analysis of flow stress, determined from the ring compression, with respect to friction coefficient and sample dimensions Łukasz Madej1, Maciej Pietrzyk1, Valeryi Pidvysotskyy2, Roman Kuziak2 1AGH University of Science and Technology. 2Instytut Metalurgii Żelaza, Gliwice. DOI: https://doi.org/10.7494/cmms.2005.3.0075 Abstract: There is a general opinion that flow stress of materials should be the property, which is independent … Read more

Modelling of polymer coated steel sheets in can manufacturing processes Jerzy Rojek Instytut Podstawowych Problemów Techniki. DOI: https://doi.org/10.7494/cmms.2005.3.0076 Abstract: The paper presents some aspects of introduction of the polymer coated steel into can manufacturing industry. Polymer coated steel sheet is a new a new material with very promising perspectives in packaging industry. Basic description of … Read more

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

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

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