cmms

Crack analyses in conducting and non-conducting piezoelectric solids

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Crack analyses in conducting and non-conducting piezoelectric solids Jan Sladek1, Vladimir Sladek1, Milan Zmindak2, Slavomir Hrcek2 1Institute of Construction and Architecture, Slovak Academy of Sciences, 84503 Bratislava, Slovakia.2Faculty of Mechanical Engineering, University of Zilina, 01026 Zilina, Slovakia. DOI: https://doi.org/10.7494/cmms.2015.1.0523 Abstract: The stress intensity factor and electric displacement intensity factor for cracks in conducting and non-conducting … Read more

Optimization of geometrical structures of modern materials by using a hybrid evolution strategy

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Optimization of geometrical structures of modern materials by using a hybrid evolution strategy Jacek Jackiewicz Institute of Technology, Faculty of Mathematics, Physics & Technical Sciences Kazimierz Wielki University ul. Chodkiewicza 30, 85-064 Bydgoszcz, Poland. DOI: https://doi.org/10.7494/cmms.2015.1.0508 Abstract: In this paper, a new hybrid evolutionary-gradient algorithm is proposed to solve global numerical problems of topology optimization. … Read more

Application of the fully automatic hp-adaptive FEM to elastic-plastic problems

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Application of the fully automatic hp-adaptive FEM to elastic-plastic problems Marta Oleksy, Witold Cecot Institute for Computational Civil Engineering,Cracow University of Technology, ul. Warszawska 24, 31-155 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2015.1.0524 Abstract: The hp-adaptive mesh refinement is a technique that for linear problems proved to deliver a fast, predicted by theory, exponential convergence. We have applied … Read more

Hybrid parallel evolutionary algorithm in optimization of 2d grapehene-like materials

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Hybrid parallel evolutionary algorithm in optimization of 2d grapehene-like materials Adam Mrozek1, Wacław Kuś2, Tadeusz Burczyński3 1AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland.2Silesian University of Technology, Akademicka 2A, 44-100 Gliwice, Poland.3Institute of Fundamental Technological Research Polish Academy of Sciences, Pawinskiego 5B, 02-106 Warszawa, Poland. DOI: https://doi.org/10.7494/cmms.2015.1.0509 Abstract: Development and application … Read more

Dealing with periodic boundary conditions for 1D, 2D and 3D isogeometric finite element method

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Dealing with periodic boundary conditions for 1D, 2D and 3D isogeometric finite element method Marcin Łoś1, Maciej Paszyński1, Lisandro Dalcin2, Victor Calo2 1AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland.2King Abdullah University of Science and Technology, Thuwal, Saudi Arabia. DOI: https://doi.org/10.7494/cmms.2015.1.0525 Abstract: In this paper we analyze the problem of implementing … Read more

Application of the diffusion equation to modeling phase transformation during cooling of pearlitic steel

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Application of the diffusion equation to modeling phase transformation during cooling of pearlitic steel Monika Pernach AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2014.4.0494 Abstract: Exploitation properties of rails are formed by controlled heat treatment of the head of the rail carried out after rolling. Complex cooling schedules have … Read more

Tailor tempering and hot-spotting of press hardened boron steels

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Tailor tempering and hot-spotting of press hardened boron steels Lander Galdos1, Eneko Saenz De Argandoña1, Joseba Mendiguren1, Nuria Herrero1, Rafael Ortubay1, Xabier Agirretxe2, José Miguel Martín2 1Mechanical and Manufacturing Department, Mondragon University, Loramendi 4, 20500 Mondragon, Gipuzkoa, Spain.2Batz S. Coop., Torrea Auzoa, 2, 48140 Igorre, Bizkaia, Spain. DOI: https://doi.org/10.7494/cmms.2014.4.0495 Abstract: Hot forming processes are becoming … Read more

Efficient cellular automata model for prediction of damage of hot forging tools due to thermal fatigue

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Efficient cellular automata model for prediction of damage of hot forging tools due to thermal fatigue Paweł Nowak, Łukasz Rauch AGH – University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2014.4.0491 Abstract: The paper presents design and implementation of the cellular automata model, which predicts damage of forging tools due to fatigue. … Read more

Identification of the static recrystallization cellular automata model parameters based on inverse analysis

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Identification of the static recrystallization cellular automata model parameters based on inverse analysis Mateusz Sitko1, Łukasz Madej1, Roman Kuziak2 1Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, 30 Mickiewicza Ave., 30-059 Kraków, Poland.2Institute for Ferrous Metallurgy, 12-14 Karola Miarki St., 44-100 Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2014.4.0492 Abstract: Development of the … Read more

Metamodel of the plane strain compression test as a replacement of fe model in the inverse analysis

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Metamodel of the plane strain compression test as a replacement of fe model in the inverse analysis Łukasz Sztangret, Mateusz Sztangret, Jan Kusiak, Maciej Pietrzyk AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2014.4.0493 Abstract: The paper presents the application of plane strain compression (PSC) test to the identification of … Read more