Finite element method

Optimisation strategies to determine process parameters in tube hydroforming

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Optimisation strategies to determine process parameters in tube hydroforming Rosa Di Lorenzo, Giuseppe Ingarao, Fabrizio Micari Università di Palermo, Dipartimento di Tecnologia Meccanica, Produzione e Ingegneria Gestionale, Palermo. DOI: https://doi.org/10.7494/cmms.2007.3.0174 Abstract: In tube hydroforming the concurrent actions of pressurized fluid and mechanical feeding allows to obtain tube shapes characterized by complex geometries such as different … Read more

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

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 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

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

A comparison of meshless and finite element approaches to ductile damage in forming processes

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A comparison of meshless and finite element approaches to ductile damage in forming processes Jose M. A. Cesar De Sa, Cai Zheng IDMEC-Institute for Mechanical Engineering, Faculty of Engineering, University of Porto,Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal. DOI: https://doi.org/10.7494/cmms.2007.2.0153 Abstract: In this work the ability and versatility of a meshless method, namely the … Read more

Weak and strong coupling of solvers in partitioned solution of solidification problems

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Weak and strong coupling of solvers in partitioned solution of solidification problems Arkadiusz Nagórka Częstochowa University of Technology, Institute of Computer and Information Sciences,ul. Dąbrowskiego 73, 42-200 Częstochowa, Poland. DOI: https://doi.org/10.7494/cmms.2007.2.0155 Abstract: In this paper a staggered scheme for partitioned solution of a coupled three-dimensional solidification problem is presented. Coupling is considered between several thermal … Read more

Dedicated computer system of aided steel deformation testing procedure near solidus temperature

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Dedicated computer system of aided steel deformation testing procedure near solidus temperature Mirosław Głowacki, Marcin Hojny AGH-University of Science and Technology,Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0117 Abstract: The paper presents the results of experimental and theoretical work leading to mathematical modelling of phenomena accompanying the deformation of steel which is still subjected to the … Read more

Multi-scale fem simulation of the drawing process

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Multi-scale fem simulation of the drawing process Andriy Milenin1, Zbigniew Muskalski2 1AGH University of Science and Technology, Al. Mickiewicza 30, 30-059, Kraków, Poland.. 2Czestochowa University of Technology, Al. Armii Krajowej 19, 42-200, Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2007.1.0137 Abstract: In this paper the wire drawing process is investigated in two levels. They are a steady-state solution using … Read more