cmms

Step by step interpolation Bogusław Bożek, Prokop Środa AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2004.1.0054 Abstract: In this paper step by step interpolation method is presented. Our method consists in that we take the shape of a curve (or a surface) and stretch it succesively (step by step) through given nodal points. Cite as: Bożek, … Read more

Numerical modelling and simulation of sand mould manufacture process in lost foam casting Jerzy Rojek Instytut Podstawowych Problemów Techniki Polska Akademia Nauk, Warszawa. DOI: https://doi.org/10.7494/cmms.2003.3.0041 Abstract: This paper presents a numerical model of sand mould manufacture process in lost foam casting. The mould filling with sand and Band compaction by vibration are modelled using spherical … Read more

Analysis of forming of aluminium and magnesium alloys in semi-solid state by advanced computer modelling Krzysztof Sołek1, Andrzej Białobrzeski2, Tomasz Stuczyński3, Zbigniew Mitura1 1Akademia Górniczo-Hutnicza, al. Mickiewicza 30, 30-059, Kraków, Polska. 2lnstytut Odlewnictwa, Zakopiańska 73, 30-418 Kraków, Polska. 3Instytut Metali Nieżelaznych, Oddział Metali Lekkich, Piłsudskiego 19, 32-050 Skawina, Polska. DOI: https://doi.org/10.7494/cmms.2003.3.0042 Abstract: “Metal forming in … Read more

Numerically enhanced optimization of bi-material rod and tube extrusion Paweł Kazanowski1, Wojciech Misiołek1, Mario E. Epler1, Vinod K. Sikka2 1Institute for Melal Forming, Lehigh University, 5 East Packer Aveniue, Bethlehem, PA, USA. 2Oak Ridge National laboratory, One Bethel Valley Road, 508, Oak Ridge, TN 37831, USA. DOI: https://doi.org/10.7494/cmms.2003.3.0043 Abstract: The presented research results are an … Read more

Application of optimal control theory methods to design of rolling technology Dmitry Svetlichnyy Politechnika Częstochowska, Wvdzial Inżynierii Procesowej, Materiałowej i Fizyki Stosowanej. DOI: https://doi.org/10.7494/cmms.2003.3.0044 Abstract: The paper deals with the application of control theory techniques in the flat rolling processes. Algorithms of optimal control problem solution are presented. Optimization problem for entire multi-pass rolling design … Read more

Relative importance of input signals of neural network Marcin Perzyk, Andrzej Kochański, Jacek Kozłowski Instytut Technogii Materiałowych Politechniki Warszawskiej. DOI: https://doi.org/10.7494/cmms.2003.3.0045 Abstract: Several types of relative importance factors of input signals of neural network are analyzed and assessed using simulated training sets. Behavior of the factors for characteristic cases of synergetic influences of input signals … Read more

An analysis of sequences of nonuniform images Zbigniew Rudnicki AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2003.2.0039 Abstract: The images of sliding trace and transfer film on steel counter sample disk were recorded during sliding of the samples of the two PTFE composites in pin-on-disk tribotester. The paper describes some methods of analysis of these … Read more

Method of interpretation of results of plane strain compression tests for evaluation of rheological parameters of materials Bernard Kowalski AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2003.2.0040 Abstract: Plane strain compression tests to investigate effects of heterogeneity of deformation for various initial specimen geometries have been carried out. Equations for correction of nominal strain and strain … Read more

Modelling and control of steelmaking converter process Marek Długosz, Wojciech Mitkowski, Wojciech Pietrzyk AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2003.2.0036 Abstract: The static model of steelmaking oxygen converter process, based on the artificial neural network approach, is presented in the paper . Remarks about the dynamic models and control of the process are presented, … Read more