cmms

The use of morris method in sensitivity analysis of the numeric model of solidification

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The use of morris method in sensitivity analysis of the numeric model of solidification Norbert Sczygiol, Robert Dyja Czestochowa University of Technology, Institute of Computer and Information Sciences,. DOI: https://doi.org/10.7494/cmms.2007.2.0151 Abstract: In this work use of the Morris method in sensitivity analysis of a numerical model of solidification is discussed. Sensitivity analysis permits to study … Read more

Finite element analysis of nodal release approach to model ductile fracture in metal sheets

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Finite element analysis of nodal release approach to model ductile fracture in metal sheets Bernd-Arno Behrens, Kanwar Bir Sidhu Institute of Metal Forming and Metal Forming Machines,An der Universität 2, 30823 Garbsen, Germany. DOI: https://doi.org/10.7494/cmms.2007.2.0157 Abstract: The FE-simulation of ductile fracture processes for discrete crack propagation using nodal release approach is well established for modelling … Read more

An algorithm for transferring 2d arbitrary hp-refined finite element axially symmetric meshes to three dimensions

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An algorithm for transferring 2d arbitrary hp-refined finite element axially symmetric meshes to three dimensions Maciej Paszyński1, David Pardo2, Leszek Demkowicz3, Carlos Torres-Verdin2 1Department of Computer Science, AGH University of Science and Technology. 2Department of Petroleum Engineering, The University of Texas in Austin. 3Institute for Computational Engineering and Sciences, ICES, The University of Texas in … Read more

Comparison of numerical models for hydroforming of X-shapes

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Comparison of numerical models for hydroforming of X-shapes Hanna Sadłowska, Andrzej Kocańda Institute of Materials Processing, Warsaw University of Technology,Narbutta 85, 02-524 Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0158 Abstract: Numerical modeling has proved to be a powerful tool for development of hydroforming processes. There have been used various numerical models but it has been difficult to choose … Read more

Ontogrator – an intelligent access to heterogeneous knowledge sources about casting technology

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Ontogrator – an intelligent access to heterogeneous knowledge sources about casting technology Stanisława Kluska-Nawarecka1, Grzegorz Dobrowolski2, Robert Marcjan2, Edward Nawarecki2 1Instytut Odlewnictwa, ul. Zakopiańska 73, 30-418 Kraków. 2Katedra Informatyki, Akademia Górniczo Hutnicza, al. Mickiewicza 30, 30-059 Kraków. DOI: https://doi.org/10.7494/cmms.2007.2.0162 Abstract: OntoGRator is a system for integration and organization of access to various information and knowledge … Read more

The analysis of the influence of plug shape and its position on piercing process in skew rolling mill

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The analysis of the influence of plug shape and its position on piercing process in skew rolling mill Jan Kazanecki1, Zbigniew Pater2, Jarosław Bartnicki2 1AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. 2Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0159 Abstract: In this paper the results of FEM simulations … Read more

Comparison of 3d and 2.5d finite element simulation principles for rolling in grooves modeling

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Comparison of 3d and 2.5d finite element simulation principles for rolling in grooves modeling Sergey A. Aksenov1, Jiri Kliber1, Evgeniy N. Chumachenko2 1VŠB Technical University of Ostrava, Czech Republic. 2Moscow Institute of Electronics and Mathematics, Russia. DOI: https://doi.org/10.7494/cmms.2007.2.0141 Abstract: The paper deals with comparison of 3D and 2.5D finite element simulation principles using modeling of … Read more

Edge detection and filtering approach dedicated to microstructure images analysis

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Edge detection and filtering approach dedicated to microstructure images analysis Łukasz Rauch, Jan Kusiak AGH University of Science and Technology, Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0160 Abstract: The processing of microstructure images dedicated to detection of the borders between material grains is still a difficult task. It is basically caused by a superimposed noise … Read more

Computer modeling of the facing by resistance sintering of metal powders

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Computer modeling of the facing by resistance sintering of metal powders Zbigniew Zimniak, Zbigniew Bartnik Institute of Production Engineering and Automation, Wroclaw University of Technology,ul. Łukasiewicza 5, 50-371 Wroclaw, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0142 Abstract: Pure, alloy and composite metal powders are used for facing by resistance sintering (based on resistance welding principles). Facings produced in this … Read more

Filtering of industrial data using the artificial neural networks

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Filtering of industrial data using the artificial neural networks Andrzej Stanisławczyk1, Jolanta Talar1, Piotr Jarosz2, Jan Kusiak1 1Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology.2Faculty of Non-Ferrous Metals, AGH University of Science and Technology. DOI: https://doi.org/10.7494/cmms.2007.2.0161 Abstract: The form of registered data (superimposed by the measurement noise) and the … Read more