cmms

Time-saving methods for cafd modeling of the microstructure evolution during solidification

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Time-saving methods for cafd modeling of the microstructure evolution during solidification Andriy Burbelko, Jacek Początek, Daniel Gurgul AGH University of Science and Technology, Foundry Faculty,23 Reymonta Str., 30-059 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0324 Abstract: The Cellular Automaton – Finite Difference model (CAFD) is one of the known methods of the simulation of microstructure evolution during the … Read more

Parallel genetic algorithm finding optimal initial mesh for three dimensional self-adaptive hp finite element method

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Parallel genetic algorithm finding optimal initial mesh for three dimensional self-adaptive hp finite element method Anna Paszyńska1, Maciej Paszyński2 1Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland.2Department of Computer Science, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0309 Abstract: In this paper … Read more

Experimental investigations and numerical models of tool steel during semisolid forming

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Experimental investigations and numerical models of tool steel during semisolid forming Piotr Macioł1, Władysław Zalecki2, Roman Kuziak2, Aleksandra Jakubowicz1 1AGH – University of Science and Technology, Dep. of Applied Computer Science and Modelling, al. 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.2011.1.0325 Abstract: The main aims … Read more

Genetic programming modeling of the critical size of inclusions

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Genetic programming modeling of the critical size of inclusions Miha Kovačič, Božidar Šarler University of Nova Gorica, Slovenia. DOI: https://doi.org/10.7494/cmms.2011.1.0310 Abstract: Spring steel quality has a major impact on spring life. Spring steel quality depends also on the inclusions presence. 7 dynamically tested and broken springs (51CrV4) were analyzed. The dynamic test result is the … Read more

Particle distance distributions and their effect on precipitation strengthening

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Particle distance distributions and their effect on precipitation strengthening Bernhard Sonderegger1,2, Ivan Holzer1, Ernst Kozeschnik3, Christof Sommitsch1 1Institute for Materials Science and Welding, Christian Doppler Laboratory for Materials Modelling and Simulation, Graz University of Technology, Kopernikusgasse 24, 8010 Graz, Austria.2Materials Center Leoben Forschung GmbH, Rosseggerstraße 12, 8700 Leoben, Austria.3Christian Doppler Laboratory for Early Stages of … Read more

Computational intelligence methods in searching of stable configurations of nanostructures

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Computational intelligence methods in searching of stable configurations of nanostructures Adam Mrozek1, Wacław Kuś2, Tadeusz Burczyński1,2 1Cracow University of Technology, Institute of Computer Science, Cracow, Poland.2Silesian University of Technology, Department for Strength of Materials and Computational Mechanics, Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0311 Abstract: Application of evolutionary algorithm, artificial immune system and particle swarm optimization in the … Read more

Influence of initial state and chemical composition on the hardening and softening kinetics in hot metal forming

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Influence of initial state and chemical composition on the hardening and softening kinetics in hot metal forming Philipp Hagemann, Rudolf Kawalla, Werner Jungnickel, Matthias Schmidtchen Technische Universität Bergakademie Freiberg – Institut für Metallformung, Freiberg, Germany. DOI: https://doi.org/10.7494/cmms.2011.1.0327 Abstract: Materials in hot metal forming are suspended to a series of plastic deformation until they obtain their … Read more

From discrete particles to solids – about sintering and self-healing

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From discrete particles to solids – about sintering and self-healing Stefan Luding Multi Scale Mechanics, CTW, UTwente, POBox 217, 7500AE Enschede, NL. DOI: https://doi.org/10.7494/cmms.2011.1.0312 Abstract: In this review, particulate materials are studied using the Discrete Element Method (DEM), where the particles keep their identity throughout. Loose particles can sinter due to time-, stress- or temperature-dependent … Read more

Guidelines for the determination of tube forming limits based on tensile, bulge and elliptical tests

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Guidelines for the determination of tube forming limits based on tensile, bulge and elliptical tests Lander Galdos, Eneko Sáenz De Argandoña, Carlos García Mechanical and Manufacturing Department, Mondragon University, Spain. DOI: https://doi.org/10.7494/cmms.2011.1.0328 Abstract: Tube hydroforming is a well-known technology able to manufacture complicated geometrical parts with high mechanical properties. Furthermore, the developments of new and … Read more

Application of the fractional oscillator equation to simulations of granular flow in a silo

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Application of the fractional oscillator equation to simulations of granular flow in a silo Tomasz Blaszczyk2, Ewa Kotela1, Jacek Leszczynski1 1Czestochowa University of Technology, Department of Heating, Ventilation and Air Protection ul. Dabrowskiego 73, 42-200 Czestochowa, Poland.2Czestochowa University of Technology, Institute of Mathematics ul. Dabrowskiego 73, 42-200 Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0313 Abstract: In this paper … Read more