Numerical analysis of strain inhomogeneities during deformation on the basis of the three dimensional digital material representation

Numerical analysis of strain inhomogeneities during deformation on the basis of the three dimensional digital material representation Lukasz Madej, Pawel Cybulka, Konrad Perzyński, Lukasz Rauch AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0357 Abstract: The main objective of the DMR system presented in the work is to create the … Read more

DaCoTraP – a web based platform for metal forming process chain

DaCoTraP – a web based platform for metal forming process chain Vencel Biró, Dorel Banabic Technical University of Cluj Napoca,Memorandumului 28, 400114 Cluj Napoca, Romania. DOI: https://doi.org/10.7494/cmms.2011.2.0342 Abstract: A standard metal forming research process includes equipments in different locations. The data between the testing, simulation and manufacturing equipments are usually transmitted with different storage devices. … Read more

Simulation of droplet motion in welding arcs as a case study of remeshing

Simulation of droplet motion in welding arcs as a case study of remeshing Paweł Cybułka, Aleksander Siwek, Jacek Rońda, Krzysztof Banaś AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0358 Abstract: The paper describes re-meshing techniques used for modelling computational domains with moving boundaries. The techniques are applied in a … Read more

Industrial applications of multi-agent systems

Industrial applications of multi-agent systems Stanisława Kluska-Nawarecka1, Grzegorz Dobrowolski2, Edward Nawarecki2 1Foundry Research Institute, Cracow, Poland, Academy of Information Technology, Łódź, Poland.2AGH University of Science and Technology, Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2011.2.0343 Abstract: The paper outlines concepts and solutions specific to the given class of the applications of multi-agent systems. The considerations are illustrated with examples … Read more

Numerical accuracy and efficiency of algorithms for springback calculation

Numerical accuracy and efficiency of algorithms for springback calculation Dmytro Lumelskyy, Jerzy Rojek Institute of Fundamental Technological Research, Polish Academy of Sciences,ul. Pawińskiego 5B, 02-106 Warszawa. DOI: https://doi.org/10.7494/cmms.2011.2.0359 Abstract: The objective of this work has been to study numerical accuracy and efficiency of algorithms of springback calculation. The finite element program Stampack has been used … Read more

Computer modeling of pneumatic formation of superthin fibres

Computer modeling of pneumatic formation of superthin fibres Leszek Jarecki, Slawomir Blonski, Andrzej Zachara, Anna Blim Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5B, 02-106 Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2011.1.0315 Abstract: Dynamics of a novel pneumatic process of superthin fibres formation from polymer melts in supersonic air jets in the Laval nozzle is … Read more

Model of convective heat transfer in keyhole mode laser welding

Model of convective heat transfer in keyhole mode laser welding Aleksander Siwek, Jacek Rońda, Krzysztof Banaś AGH University of Science and Technology, Faculty of Metals Engineering and. DOI: https://doi.org/10.7494/cmms.2011.1.0331 Abstract: Article applies a model of welding with high-power laser beam. As a result of heating the material in the area of a laser beam creates … Read more

The MLPG analysis of crack problems in magnetoelectroelastic solids

The MLPG analysis of crack problems in magnetoelectroelastic solids Jan Sladek, Vladimir Sladek Institute of Construction and Architecture, Slovak Academy of Sciences, 84503 Bratislava, Slovakia. DOI: https://doi.org/10.7494/cmms.2011.1.0316 Abstract: A meshless method based on the local Petrov-Galerkin approach is applied for boundary value problems with cracks in magnetoelectroelastic solids. A unit step function is used as … Read more

On modelling of the heat generation during friction stir welding using combined discrete/finite element approach

On modelling of the heat generation during friction stir welding using combined discrete/finite element approach Michal Krzyzanowski, William M. Rainforth Institute for Microstructural and Mechanical Process Engineering, The University of Sheffield S1 3JD, UK. DOI: https://doi.org/10.7494/cmms.2011.1.0332 Abstract: The concept of combining the latest finite element (FE) and discrete element (DE) multiscale numerical technologies for modelling … Read more

Experimental verification of simulation model of impact response tests for unsaturated polyester/GF and PP/GF composites

Experimental verification of simulation model of impact response tests for unsaturated polyester/GF and PP/GF composites Sanita Zike, Kaspars Kalnins, Olgerts Ozolins Institute of Materials and Structures, Riga Technical University ,Azenes iela 16/20-353, Riga, LV-1048, Latvia. DOI: https://doi.org/10.7494/cmms.2011.1.0317 Abstract: In this paper validation of experimental and numerical results of low-velocity composite plate impact tests have been … Read more