Topology optimization of carbon based flat structures using parallel computing

by

Topology optimization of carbon based flat structures using parallel computing Wacław Kuś1, Adam Mrozek2 1Silesian University of Technology, Poland. 2AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. DOI: https://doi.org/10.7494/cmms.2016.3.0585 Abstract: The optimization algorithms based on global techniques like evolutionary algorithms tend to be time consuming due to a very high number … Read more

Numerical analysis of a skew rolling process for producing axle shafts

by

Numerical analysis of a skew rolling process for producing axle shafts Zbigniew Pater, Janusz Tomczak, Tomasz Bulzak Lublin University of Technology, 36 Nadbystrzycka, 20-618 Lublin, Poland. DOI: https://doi.org/10.7494/cmms.2016.2.0561 Abstract: The paper presents a numerical analysis of a skew rolling process for producing axle shafts for a motor truck. In this process, three forming tools (disc or … Read more

Elaboration of ductile fracture criteria based on punching forgeability test

by

Elaboration of ductile fracture criteria based on punching forgeability test Łukasz Lisiecki, Skubisz Piotr AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Mickiewicza 30, 30-059 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2016.2.0562 Abstract: A new approach of forgeability test, based on compression-punching state of stress was proposed. Comparison of the results of the presented … Read more

Towards processing of multilayered metallic materials – constrained compression testing

by

Towards processing of multilayered metallic materials – constrained compression testing Szymon Bajda, Michal Krzyzanowski, Marcin Kwiecień, Janusz Majta, Łukasz Lisiecki, Jakub Sroka AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Mickiewicza 30, 30-059 Krakow, Poland. DOI: https://doi.org/10.7494/cmms.2016.2.0563 Abstract: The complex analysis of the interface behaviour has been performed during constrained compression testing … Read more

Numerical analysis of data transfer quality in the 3D multi-scale uncoupled concurrent model connected with DMR

by

Numerical analysis of data transfer quality in the 3D multi-scale uncoupled concurrent model connected with DMR Joanna Szyndler, Konrad Perzyński, Łukasz Madej AGH University of Science and Technology, al. Mickiewicza 30, 30-059, Kraków. DOI: https://doi.org/10.7494/cmms.2016.2.0564 Abstract: Analysis of the quality of obtained results from a 3D multiscale concurrent finite element numerical model based on Digital Material Representation … Read more

The method of production of thin-walled castings made of GX2CrNiMoN25-6-3 cast steel

by

The method of production of thin-walled castings made of GX2CrNiMoN25-6-3 cast steel Maciej Nadolski, Grzegorz Stradomski, Andrzej Zyska Technical University of Czestochowa, Faculty of Production Engineering and Materials Technology, al. Armii Krajowej 19, 42-201 Czestochowa, Poland. DOI: https://doi.org/10.7494/cmms.2016.2.0565 Abstract: The possibility of production of thin-walled castings made of GX2CrNiMoN25-6-3 cast steel was assessed for the exemplary final … Read more

Modelling of transient temperature field and phase transformation change a way for residual stress management in large size forgings

by

Modelling of transient temperature field and phase transformation change a way for residual stress management in large size forgings Jakub Sroka1,4, Jesus Talamantes-Silva2, Michal Krzyzanowski1,3, Mark Rainforth4 1AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, al. Mickiewicza 30, 30-059, Kraków, Poland. 2Sheffield Forgemasters RD26 Ltd, PO Box 286 Brightside Lane, Sheffield S9 … Read more

Vision system to support determination of mechanical properties of tubes required for computer modelling of tube hydroforming

by

Vision system to support determination of mechanical properties of tubes required for computer modelling of tube hydroforming Hanna  Sadłowska, Andrzej Kocańda, Cezary Jasiński, Łukasz Morawiński Warsaw University of Technology, Faculty of Production Engineering, Department of Metal Forming and Foundry, 85 Narbutta St., 02-524 Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2016.1.0554 Abstract: Reliability of computer modelling of tube hydroforming depends strongly on mechanical … Read more

Detection of defects in bulging processes by means of dynamic laser speckle

by

Detection of defects in bulging processes by means of dynamic laser speckle Cezary Jasiński, Łukasz Morawiński, Andrzej Kocańda Warsaw University of Technology, Faculty of Production Engineering, Department of Metal Forming and Foundry, 85 Narbutta St., 02-524 Warsaw, Poland. DOI: https://doi.org/10.7494/cmms.2016.1.0555 Abstract: The method described in this paper has been used to determine the moment when … Read more

Real-time evolutionary optimization of metallurgical processes using ARM microcontroller

by

Real-time evolutionary optimization of metallurgical processes using ARM microcontroller Adam Mrozek1, Wacław Kuś2, Łukasz Sztangret1 1AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland. 22Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland. DOI: https://doi.org/10.7494/cmms.2016.1.0556 Abstract: The real time (RT) computations with the use of microcontrollers have been present in everyday life for … Read more