Papers

Crackling noise in a discrete element model of single crack propagation

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Crackling noise in a discrete element model of single crack propagation Gábor Timár, Ferenc Kun Department of Theoretical Physics, University of Debrecen,P.O. Box 5, H-4010 Debrecen, Hungary. DOI: https://doi.org/10.7494/cmms.2011.2.0348 Abstract: We study the crackling noise emerging during single crack propagation obtained by discrete element modelling (DEM) in a specimen under three-point bending conditions. Analyzing temporal … Read more

Application of 3D scanning and rapid prototyping in designing metal sheet forming processes

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Application of 3D scanning and rapid prototyping in designing metal sheet forming processes Joanna Gołębiewska-Kurzawska, Franciszek Grosman Department of Materials Engineering and Metallurgy, Silesian University of Technology,8 Krasińskiego Street, 40-019 Katowice, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0365 Abstract: The procedure of designing sheet metal forming processes for elements which geometrical features are determined experimentally at stand tests has … Read more

Uncertainty of lifetime evaluation for cafe creep damage model

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Uncertainty of lifetime evaluation for cafe creep damage model Krzysztof Nowak Politechnika Krakowska, ul. Warszawska 24, 31-155 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0349 Abstract: In the paper the influence of material microstructure randomness upon statistically observed scatter of experimental results on macroscopic level is searched through. It is well known that a lot of random factors influence … Read more

Practical inverse analysis in metal forming

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Practical inverse analysis in metal forming Roman Pschera, Bruno Buchmayr University of Leoben, Chair of Metal Forming, Franz-Josef-Straße 18, 8700 Leoben, Austria. DOI: https://doi.org/10.7494/cmms.2011.2.0366 Abstract: This article is thought as a contribution to the practical use of inverse analysis in the field of metal forming. The first part of the paper gives a short overview … Read more

Two-temperature model of microscopic heat transfer

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Two-temperature model of microscopic heat transfer Ewa Majchrzak, Jolanta Poteralska Department of Strength of Materials and Computational Mechanics,Silesian University of Technology, Konarskiego 18a, 44-100 Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0350 Abstract: Thin metal film subjected to a short-pulse laser heating is considered. The hyperbolic two-temperature model describing the temporal and spatial evolution of the lattice and electrons … Read more

Service oriented framework for development of complex engineering software

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Service oriented framework for development of complex engineering software Norbert Sczygiol, Juliusz Mikoda, Anna Wawszczak Institute of Computer and Information Sciences, Czestochowa University of Technology,ul. Dąbrowskiego 73, 42-200 Częstochowa, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0367 Abstract: The service oriented architecture is commonly used in business software applications, but could also be successfully used while designing engineering packages. This … Read more

Temperature changes during the heating part of a semi-solid steel yield stress testing procedure on Gleeble simulator

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Temperature changes during the heating part of a semi-solid steel yield stress testing procedure on Gleeble simulator Marcin Hojny1, Mirosław Głowacki1, Roman Kuziak2, Władysław Zalecki2 1AGH-University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland.2Institute for Ferrous Metallurgy, ul. Karola Miarki 12-14, 44-100 Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0301 Abstract: The main objective of this work is … Read more

Modeling of microscale heat transfer in cylindrical domains

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Modeling of microscale heat transfer in cylindrical domains Bohdan Mochnacki1, Ewa Majchrzak2 1Częstochowa University of Technology, Częstochowa, Poland.2Silesian University of Technology, Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0351 Abstract: Thermal processes in a thin metal film subjected to a short-pulse laser heating are considered (axially-symmetrical 2D problem). Heat transfer through thin films subjected to an ultrafast laser pulse … Read more

The resources occupancy in resource – constrained multi project scheduling problem

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The resources occupancy in resource – constrained multi project scheduling problem Bożena Skołud, Bożena Marcińczyk Institute of Engineering Processes Automation and Integrated Manufacturing Systems,The Faculty of Mechanical Engineering, The Silesian University of Technology. DOI: https://doi.org/10.7494/cmms.2011.2.0368 Abstract: This paper presents an adaptation of the Theory of Constraint (TOC ) to the multi – project scheduling problem. … Read more

Numerical analysis of sleeve clamping process

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Numerical analysis of sleeve clamping process Jarosław Bartnicki, Janusz Tomczak, Grzegorz Samołyk Lublin University of Technology. DOI: https://doi.org/10.7494/cmms.2011.2.0302 Abstract: This paper deals with the results of numerical analysis of sleeve clamping for example on steel cables by means of rotary groove segments. The areas of application of cables and strings are discussed and the way … Read more