Papers

Stability and uniqueness of flow approach algorithms in sheet metal forming simulations

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Stability and uniqueness of flow approach algorithms in sheet metal forming simulations Włodzimierz Sosnowski1,2, Tomasz Bednarek1,2, Piotr Kowalczyk1 1Institute of Fundamental Technological Research PAN, Warsaw, ul. Pawińskiego 5b. 2Kazimierz Wielki University, Bydgoszcz, ul. Chodkiewicza 30. DOI: https://doi.org/10.7494/cmms.2010.1.0274 Abstract: The objective of this paper is to improve stability conditions, uniqueness and convergence of the flow approach … Read more

The model of the temperature field and fluid flow in elements heated by moving heat sources

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The model of the temperature field and fluid flow in elements heated by moving heat sources Wiesława Piekarska, Marcin Kubiak, Zbigniew Saternus Institute of Mechanics and Machine Design,,Czestochowa University of Technology,Dąbrowskiego 69, 42-200 Częstochowa. DOI: https://doi.org/10.7494/cmms.2010.1.0275 Abstract: This paper presents numerical analysis of thermal phenomena in hybrid laser – arc welding. The temperature field was … Read more

Different mesh management strategies for non-stationary self-adaptive hp finite element method

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Different mesh management strategies for non-stationary self-adaptive hp finite element method Maciej Paszyński1, Paweł Matuszyk2 1Department of Computer Science, AGH University of Science and Technology Al. Mickiewicza 30, 30-059 Cracow, Poland. 2Department of Applied Computer Science and Modelling, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Cracow, Poland. DOI: https://doi.org/10.7494/cmms.2010.1.0276 Abstract: In this … Read more

Experimental verification results of real and equivalent drawbeads numerical simulations

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Experimental verification results of real and equivalent drawbeads numerical simulations Zbigniew Zimniak, Dawid Rutkowski Institute of Production Engineering and Automation, Wroclaw University of Technology,ul. Łukasiewicza 5, 50-371 Wroclaw, Poland. DOI: https://doi.org/10.7494/cmms.2010.1.0277 Abstract: In sheet metal forming, drawbeads play an important role in material flow control. In this paper the results of simulations of drawbeads and … Read more

Elasto-plastic material model with damage parameter in metal fatigue

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Elasto-plastic material model with damage parameter in metal fatigue Tomasz Bednarek1,2, Włodzimierz Sosnowski1,2, Tomasz Szolc1 1Institute of Fundamental Technological Research of the Polish Academy of Sciences, 02-106 Warszawa, ul. Pawińskiego 5b . 2Kazimierz Wielki University, 85-064 Bydgoszcz, ul. Chodkiewicza 30. DOI: https://doi.org/10.7494/cmms.2009.4.0266 Abstract: In this paper the numerical method for prediction of fatigue life of … Read more

Thermal modeling of friction stir welding of Sc-modified Al-Zn-Mg-Cu alloy

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Thermal modeling of friction stir welding of Sc-modified Al-Zn-Mg-Cu alloy Carter Hamilton1, Stanisław Dymek2, Oleg Senkov3 1Department of Mechanical and Manufacturing Engineering Miami University, Oxford, OH.2Faculty of Metals Engineering and Industrial Computer Science AGH University of Science and Technology, Kraków, Poland.3UES, Inc., 4401 Dayton-Xenia Rd., Dayton, OH 45432-1894, USA. DOI: https://doi.org/10.7494/cmms.2009.4.0267 Abstract: Small additions of … Read more

Validation of the thermo-mechanical-microstructural model of hot forging process

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Validation of the thermo-mechanical-microstructural model of hot forging process Roman Kuziak1, Valeriy Pidvysots’Kyy1, Krzysztof Drozdowski2 1Institute for Ferrous Metallurgy, K. Miarki 12, 44-100 Gliwice, Poland. 2Zakład Obróbki Plastycznej Sp. z o.o., ul. Kuźnicza 13, 21-045 Świdnik k/Lublina. DOI: https://doi.org/10.7494/cmms.2009.4.0268 Abstract: The paper deals with mathematical modelling of non-isothermal forging process accounting for the distribution of … Read more

Critical evaluation and sensitivity analysis of rheological models of human blood

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Critical evaluation and sensitivity analysis of rheological models of human blood Danuta Szeliga, Magdalena Kopernik, Maciej Pietrzyk Faculty of Metals Engineering and Industrial Computer Science,AGH University of Science and Technology, Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.4.0269 Abstract: Critical analysis and classification of rheological models of human blood is the objective of the paper. In the first part … Read more

Copper flash smelting process. modelling and control

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Copper flash smelting process. modelling and control Jan Kusiak AGH-University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2009.3.0260 Abstract: The paper presents the description of the copper flash smelting process and the idea of its modelling based on Artificial Intelligence techniques: Artificial Neural Networks, Expert Systems and Data Mining. Proposed approach is … Read more

Pre-processing of the industrial data for data mining and modelling – application to the copper flash smelting process

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Pre-processing of the industrial data for data mining and modelling – application to the copper flash smelting process Andrzej Stanisławczyk, Jan Kusiak AGH – University of Science and Technology, Faculty of Metals Engineering and,Industrial Computer Science, Al. Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2009.3.0261 Abstract: The paper presents the methodology of the pre-processing of the industrial … Read more