Papers

Library of heuristic algorithms’ templates

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Library of heuristic algorithms’ templates Norbert Sczygiol, Anna Wawszczak Institute of Computer and Information Sciences Czestochowa University of Technology ul. Dąbrowskiego 73, 42-200 Częstochowa. DOI: https://doi.org/10.7494/cmms.2009.2.0249 Abstract: Heuristic algorithms are used in almost every area of science, including technology, medicine and economics. People engaged in some particular problem often don’t have enough knowledge to implement … Read more

Cellular automata multi-component diffusion models

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Cellular automata multi-component diffusion models Anna Paszyńska1, Maciej Paszyński2, Maciej Pietrzyk3, Bartłomiej Wierzba4 1Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, ul. Reymonta 4, 30-059 Kraków, Poland. 2Department of Computer Science, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. 3Department of Applied Computer Science and Modelling, AGH University of … Read more

Rough set formalization of an inference process in a DOE supporting expert system

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Rough set formalization of an inference process in a DOE supporting expert system Jacek Pietraszek Mechanical Engineering Department, Cracow University of Technology,,Al. Jana Pawła II 37, 31-864 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2009.2.0250 Abstract: The purpose of the paper was an inference process’s formalization – in terms of a rough sets theory – of an existing DOE … Read more

Modeling and numerical simulation of elasto-viscoplastic anisotropic behavior of tantalum including the ductile damage effect

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Modeling and numerical simulation of elasto-viscoplastic anisotropic behavior of tantalum including the ductile damage effect Thomas Paris1,2, Khémaïs Saanouni1, Manuel Francois1, Damien Delaplanche2 1University of Technology of Troyes, ICD/LASMIS, CNRS, FRE 2848 BP 2060 10010 Troyes, France. 2CEA Valduc, LCSI 21120 Is-sur-Tille, France. DOI: https://doi.org/10.7494/cmms.2009.1.0203 Abstract: At room temperature, the tantalum is shown to exhibit … Read more

Prediction of forming limit in stretch flanging by finite element simulation combined with ductile fracture criterion

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Prediction of forming limit in stretch flanging by finite element simulation combined with ductile fracture criterion Hirohiko Takuda1, Takayuki Hama1, Kazuki Nishida1, Tohru Yoshida2, Jun Nitta2 1Department of Energy Science and Technology, Kyoto University, 606-8501 Kyoto, Japan. 2Steel Research Laboratories, Nippon Steel Corporation, 293-8511 Futtsu, Japan. DOI: https://doi.org/10.7494/cmms.2009.1.0219 Abstract: In our previous studies, the limit … Read more

Interaction of penny-shaped crack and spherical inclusion in 3d particulate elastic composite: biem calculation of mode-i dynamic stress intensity factor

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Interaction of penny-shaped crack and spherical inclusion in 3d particulate elastic composite: biem calculation of mode-i dynamic stress intensity factor Oksana Khay1, Viktor Mykhas’Kiv1, Jan Sladek2, Vladimir Sladek2, Chuanzeng Zhang3 1Pidstryhach Institute for Applied Problems of Mechanics and Mathematics NASU, 3-b Naukova Str., 79060 Lviv, Ukraine. 2Department of Mechanics, Institute of Construction and Architecture, 9 … Read more

On the forming and fracture limits of sheet metals

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On the forming and fracture limits of sheet metals Antti S. Korhonen1, Timo Manninen2, Jeong-Whan Yoon3 1Department of Materials Science and Engineering, Helsinki University of Technology. 2Outokumpu Stainless Oyj, Tornio Research Center. 3Alcoa Technical Center, Division of Materials Science. DOI: https://doi.org/10.7494/cmms.2009.1.0220 Abstract: The forming and fracture limits of stainless steel and aluminum were studied. Hydraulic … Read more

Failure modelling of friction stir welded joints in tensile tests

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Failure modelling of friction stir welded joints in tensile tests Guido Borino1, Livan Fratini2, Francesco Parrinello1, Antonino Bulgarella2 1University of Palermo, Dipartimento di Ingegneria Strutturale e Geotecnica, Palermo, Italy. 2University of Palermo, Dipartimento di Tecnologia Meccanica, Produzione ed Ingegneria Gestionale, Palermo, Italy. DOI: https://doi.org/10.7494/cmms.2009.1.0205 Abstract: The paper concerns with the mechanical modelling and the finite … Read more

A new method for the evaluation of the yield criteria accuracy

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A new method for the evaluation of the yield criteria accuracy Liana Paraianu, Dorel Banabic Research Centre in Sheet Metal Forming Technologies – CERTETA,Technical University of Cluj-Napoca, C. Daicoviciu 15, 400020 Cluj-Napoca, Romania. DOI: https://doi.org/10.7494/cmms.2009.1.0221 Abstract: The paper presents a test used to estimate the predictive accuracy of a few yield criteria for anisotropic materials. … Read more

Using fuzzy numbers in fatigue reliability estimation

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Using fuzzy numbers in fatigue reliability estimation Tomasz Bednarek1,2, Piotr Prokopowicz2, Włodzimierz Sosnowski1,2 1Institute of Fundamental Technological Research, PAN, Warsaw, Poland. 2Kazimierz Wielki University, Bydgoszcz, Poland. DOI: https://doi.org/10.7494/cmms.2009.1.0206 Abstract: Increasing safety requirements of structures induces necessity of taking into consideration the random nature of variables in the fatigue design. Fatigue analysis of real structures in … Read more