cmms

Immune and evolutionary shape optimization in forging

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Immune and evolutionary shape optimization in forging 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.2008.2.0194 Abstract: The paper deals with applications of methods of … Read more

A sensitivity analysis on artificial neural networks fracture predictions in sheet metal forming operations

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A sensitivity analysis on artificial neural networks fracture predictions in sheet metal forming operations Rosa Di Lorenzo, Giuseppe Ingarao, Fabrizio Micari Università di Palermo, Dipartimento di Tecnologia Meccanica, Produzione e Ingegneria Gestionale,,viale delle Scienze 90128, Palermo, Italy. DOI: https://doi.org/10.7494/cmms.2008.2.0188 Abstract: In the last years the investigation of formability limits in sheet metal forming operations was … Read more

Applicability of decision trees in manufacturing industry

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Applicability of decision trees in manufacturing industry Marcin Perzyk, Robert Biernacki, Artur Soroczyński Warsaw University of Technology, Institute of Materials Processing, Narbutta 85, 02-524 Warszawa. DOI: https://doi.org/10.7494/cmms.2008.2.0189 Abstract: In manufacturing companies large amounts of data are collected and stored, related to designs, products, equipment, materials, manufacturing processes etc. Utilization of that data for improvement of … Read more

Concurrent and upscaling methods in multi scale modelling – case studies

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Concurrent and upscaling methods in multi scale modelling – case studies Łukasz Madej1, Adam Mrozek2, Wacław Kuś2, Tadeusz Burczyński2,3, Maciej Pietrzyk1 1Department of Applied Computer Science and Modelling, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland.2Department for Strength of Materials and Computational Mechanics, Silesian University of Technology, Konarskiego 18a, 44-100 Gliwice, … Read more

Numerical modeling of influence of gaseous bubble shape factor on steel flow in the tundish with system of argon injection

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Numerical modeling of influence of gaseous bubble shape factor on steel flow in the tundish with system of argon injection Adam Cwudziński, Jan Jowsa Department of Metals Extraction and Recirculation, Faculty of Materials Processing Technology and Applied Physics,,Czestochowa University of Technology, Armii Krajowej 19, 42-200 Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2008.1.0184 Abstract: The article presents the results … Read more

Elastic tool behaviour in cold rolling

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Elastic tool behaviour in cold rolling Reiner Kopp, Martin Franzke Institute of Metal Forming, RWTH Aachen University, Germany. DOI: https://doi.org/10.7494/cmms.2008.1.0185 Abstract: An important issue for realistic simulation of the cold rolling process is the consideration of the tools as elastic structures. The material flow is strongly influenced by the elastic deformation of the tools. Due … Read more

CADiff – the inter and reactive diffusion simulation tool

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CADiff – the inter and reactive diffusion simulation tool Bartłomiej Wierzba1, Maciej Pietrzyk2, Marek Danielewski1 1Interdisciplinary Centre for Materials Modelling, Faculty of Materials Science and Ceramics. 2AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2008.1.0186 Abstract: The CADiff software is presented in the paper. The method based on the extended … Read more

Interdiffusion in r-component (r ≥ 2) one dimensional mixture showing constant concentration

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Interdiffusion in r-component (r ≥ 2) one dimensional mixture showing constant concentration Marek Danielewski1, Konstanty Holly2, Wojciech Krzyżański3 1University of Mining and Metallurgy, Faculty of Materials Science and Ceramics, ul. Mickiewicza 30, 30-059 Cracow, Poland. 2Jagiellonian University, Institute of Mathematics, ul. Reymonta 4, 30-059 Cracow, Poland. 3SUNY at Buffalo, 547 Cooke Hall, Buffalo, NY 14260-1200, … Read more

Physical and numerical modelling of forging accounting for exploitation properties of products

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Physical and numerical modelling of forging accounting for exploitation properties of products Lukasz Madej1, Danuta Szeliga1, Roman Kuziak2, Maciej Pietrzyk1 1Department of Applied Computer Science and Modelling Akademia Gorniczo Hutnicza, Krakow, Poland. 2Institute for Ferrous Metallurgy, Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2007.4.0177 Abstract: Idea of modelling of the life cycle of materials is presented and benefits of … Read more

Online visioplasticity in forging processes

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Online visioplasticity in forging processes Matthias Schmidtchen, Anja Brethfeld, Gunter Lehmann Technical University of Mining and Technology, Institute for Metal Forming, D- 09596 Freiberg,,Bernhard-von-Cotta-Straße 4, Germany. DOI: https://doi.org/10.7494/cmms.2007.4.0178 Abstract: In the present paper a contactless optical method for visioplastic investigation of the displacement and strain field in hammer forging was discussed. Coupled with thermographic measurements … Read more